Electrical Service Troubleshooting
Electrical Service Troubleshooting
Maintenance Section
                                      Cable brake / short cut to UB of cabin                          Short cut to ground of brake pressure
                            0308                                                            0101
                                      lock switch                                                     supply brake circuit 1
                            1449      Sector matrix Symbols incompatible                              Out of range (two low) of brake
                                                                                            0104
                                                                                                      pressure signal circuit 1
                            1450      Sector sound incomplete
                                                                                                      Out of range (two low) of brake
                            1451      Sector sound incompatible                             0204
                                                                                                      pressure signal circuit 2
                                                                                                                                              Troubleshooting
                            1454                                                                      pressure signal circuit 2
                                      incomplete
                                                                                            1020      IES CAN failure
                                      Sector simulink application
                            1455
                                      incompatible                                          1520      TCO CAN failure / TCO failure
                                                                                                                       Construction Details
     0119      KWS Data not plausible
                                                                            Switched power supply 3 with short
     7074      Resetting: Teach-in                                2622
                                                                            circuit to ground
                                                                                                                    Troubleshooting
               Communication to MR not possible -
     0203                                                                   Switched power supply 2 with short
               Engine Limp home mode                              2520
                                                                            circuit to external power supply
               Engine CAN connected to 1 wire
                                                                            Switched power supply 2 with short
     0201      (CAN-H or CAN-L) Communication                     2522
                                                                            circuit to ground
               Possible
                                                                            Over voltage, Supply voltage <
               MR sends wrong information on CAN                  3031
     0202                                                                   threshold; Threshold = 38V
               ids. Engine in limp home
                                                                            Under voltage, Supply voltage >
     0508      EPS3 Data not plausible                            3032
                                                                            threshold; Threshold < 19.6V
    1 0501     EPS3 Data not plausible
                                                                  3021      Kl.30 < 5- 6.3V
     0681      AG -obj module
                                                                            KW+ Short to Supply or ground
                                                                  3130
                                                                            (coolant level switch)
     0682      AG -obj module
                                                                  3130      KWSE open or short circuit to ground
     0783      AG -obj module
                                                                            LFSE Short to Supply or ground or
    1 40584    AG -obj module                                     3130
                                                                            open (Air filter sensor switch)
               Terminal L is short cut to ground.
     1125                                                                   LFSE/Air filter switch defective
               Harness Problem (D+ error)                         3233
                                                                            (switch closed engine not running)
               Terminal L is short cut to power
     1120                                                                   LFSE/ Air filter switch closed longer
               supply. Harness Problem (D+ error)                 3236
                                                                            than 1min
               Clutch switch 1 open circuit or Mis-
     1223                                                                   ALT/ Ambient temperature sensor
               adjusted                                           3330
                                                                            open/ short to Supply
               Brake switch always closed or
     1423
               defective
                                    Kl.W/ Alternator RPM signal not valid                        MBA - (Engine brake Low Side) is
                          7073                                                         5253
                                    (CPC in Teach mode)                                          short to Supply
                          3635      Clutch travel way out of range                               MBA - (Engine brake High Side) is
                                                                                       5154
                                                                                                 open
                          3634      Maximum erosion while
                                                                                                 BRLI (Brake light indicator) Short to
                          3430      No EPS                                             5652
                                                                                                 Ground
                                    nG/ Gear Box input speed sensor -                  5654      BRLI (Brake light indicator) open
                          4145
                                    short to ground
                                                                                                 RULI (Reverse light indicator) Short
                                    nG-/ Gear Box input speed sensor -                 5752
                          4145                                                                   to ground
                                    open
                                                                                                 RULI (Reverse light indicator) Short
                                    nG/ Gear box input RPM signal not                  5753
                          7071                                                                   to Supply
                                    valid (CPC in Teach mode)
                                                                                       5754      RULI (Reverse light indicator) Open
                                    Frequency fault; Engine RPM > GB
                          4141
                                    RPM (delta 200rpm)                                 7060      EEPROM configuration faulty
Construction Details
                                                                                                                                         Troubleshooting
                                                                                                 CPC Hardware defective - WD does
                                                                                       6262
                                    C3 frequency fault, ABS speed and                            not switch off outputs
                          4341
                                    C3 speed not matching
                                                                                                 CPC Software problem - Runtime
                                                                                       6265
                                    GAS1 Open/ Short to ground/ Short                            violation
                          4440
                                    to Supply (Acc Pedal GAS1)
                                                                                                 CPC Software problem - Stack over
                                                                                       6365
                                    GAS2 Open/ Short to ground/ Short                            run
                          4540
                                    to Supply (Acc Pedal GAS2)
                                                                                                                       Construction Details
                                                                7609      Proportioning valve 6, line break
               Camshaft sensor time out (no NW
     0412
               signal)                                          7106      Proportioning valve 3, ground short
                                                                                                                    Troubleshooting
     0408      Crankshaft sensor, ground short                            Proportioning valve 3, short to battery
                                                                7107
                                                                          voltage (- cable)
     0309      Crankshaft sensor, line break
                                                                7109      Proportioning valve 3, line break
               Camshaft sensor, signal has wrong
     0413
               pole connection                                            Proportioning valve 4, ground short
                                                                7206
                                                                           (- cable)
     0409      Camshaft sensor, line break
                                                                          Proportioning valve 4 short to battery
               Camshaft sensor, time-out (no NW                 7207
     0412                                                                 voltage (- cable)
               signal)
                                                                7209      Proportioning valve 4 line break
     0408      Camshaft sensor, ground short
                                                                7006      Proportioning valve 1 ground short
               Coolant temperature sensor
     1515
               measuring range exceeded                                   Proportioning valve 1 short to battery
                                                                7007
                                                                          voltage (- cable)
               Coolant temperature sensor
     1516
               measuring range undershot                        7009      Proportioning valve 1 line break
               Oil pressure sensor measuring range                        Proportioning valve 6 short to battery
     1615                                                       7607
               exceeded                                                   voltage (- cable)
               Oil pressure sensor measuring range              7306      Proportioning valve 2 ground short
     1616
               undershot
                                                                7307      Proportioning valve 2 line break
     0530      Engine speed too high
                                                                          Proportioning valve 5 short to battery
               Fuel temperature sensor measuring                7309
     1115                                                                 voltage (+ cable)
               range exceeded
                                                                          Proportioning valve 5 ground short (+
               Fuel temperature sensor measuring                7405
     1116                                                                 cable)
               range undershot
                                    Starter actuation starter does not                 5326      Cylinder 4 actuation impact detection
                          8086
                                    engage
                                                                                       5426      Cylinder 5 actuation impact detection
                                    Starter actuation starter relay hangs
                          8033
                                    up                                                 5526      Cylinder 6 actuation impact detection
                                    (main branch)
                                                                                                 Cylinder 1 actuation, actuation
                                                                                       5027
                                    Starter actuation output stage has                           malfunction
                                                                                                                                         Troubleshooting
                          8039      low resistance (main branch or
                                    emergency branch)                                            Cylinder 2 actuation, actuation
                                                                                       5127
                                                                                                 malfunction
                                    Internal fault PVB1 HS transistor has
                          4034                                                                   Cylinder 3 actuation, actuation
                                    high resistance                                    5227
                                                                                                 malfunction
                                    Internal fault PVB2 HS transistor has
                          4035                                                                   Cylinder 4 actuation, actuation
                                    high resistance1                                   5327
                                                                                                 malfunction
                          4049      Internal fault parameterization fault
                                                                                                 Cylinder 5 actuation, actuation
                                                                                       5427
                                    Internal fault PV5 HS transistor has                         malfunction
                          4036
                                    high resistance
                                                                                                 Cylinder 6actuation, actuation
                                                                                       5527
                          4054      Internal fault CAN data sector faulty                        malfunction
                          4058      Internal fault data set tampered with                        Cylinder 7 actuation, actuation
                                                                                       5627
                                                                                                 malfunction
                          1917      Fuel circuit measurement implausible
                                                                                                 Cylinder 8 actuation, actuation
                                                                                       5727
                                    Oil pressure sensor measurement                              malfunction
                          1617
                                    implausible
                                                                                                 Turbocharger circuit/charge air
                                    Turbocharger circuit, pressure too                 1874      pressure control, controlled variable
                          1820
                                    high                                                         deviation too great
7408 CAN low speed, data implausible Event Code Event Description
0149 CAN low speed, no communication 5328 Cylinder 4 actuation, short circuit
             The proportioning valve bank 2 has                   5428      Cylinder 5 actuation, short circuit
   0104
             short circuit to battery
                                                                  5528      Cylinder 6 actuation, short circuit
             CAN low speed, communications line
   0101                                                           5628      Cylinder 7 actuation, short circuit
             2 faulty (low line)
                                                                  5728      Cylinder 8 actuation, short circuit
             CAN low speed, communications line
   0100
             1 faulty (high line)
                                                                            MV bank1 actuation, ground short,
                                                                  4806
                                                                            low side
             Turbocharger circuit/charge air
   1878      pressure control, general actuator
                                                                            MV bank2 actuation, ground short,
             fault                                                4906
                                                                            low side
                                                                                                                      Construction Details
   4149      Engine brakes, parameterization fault
                                                                            MV bank1 actuation, short to battery
                                                                  4805
                                                                            voltage, high side
                                                                                                                   Troubleshooting
                                                                            MV bank2 actuation, short to battery
                                                                  4905
                                                                            voltage, high side
                                                                                                                                            Troubleshooting
                           1 1018     Total shutoff                                                ABS solenoid valve at right front axle
                                                                                        1 3028
                                                                                                   has S at pin X2 18/7
                           1 1094     Different tires fitted to vehicle
                                                                                                   ABS solenoid valve at left front axle
                           1 1201     Terminal 30, X1 18/16 has overvoltage             1 3120
                                                                                                   has Q at pin X2 18/1
                                      Under voltage or contacts at terminal
                           1 1202                                                                  ABS solenoid valve at left front
                                      30, X1 18/16                                      1 3121
                                                                                                   axle has T at pin X2 18/1
                           1 1203     Circuit 30, X1 18/16 has Q
                                                                                                   ABS solenoid valve at left front axle
                                                                                        1 3122
                                      Terminal 30, X1 18/16 has under                              has S at pin X2 18/1
                           1 1286
                                      voltage during ABS control
                                                                                                   ABS solenoid valve at left front axle
                                                                                        1 3123
                           1 1287     Fault in supply voltage                                      has Q at pin X2 18/3
                           1 1301     Terminal 15, X1 18/3 has overvoltage                         ABS solenoid valve at left front axle
                                                                                        1 3126
                                                                                                   has Q at pin X2 18/2
                                      Under voltage or contacts at terminal
                           1 1302                                                                  ABS solenoid valve at left front
                                      15, X1 18/3                                       1 3127
                                                                                                   axle has T at pin X2 18/2
                                      Terminal 15, X1 18/3 has under
                           1 1386
                                      voltage                                                      ABS solenoid valve at left front axle
                                                                                        1 3128
                                                                                                   has S at pin X2 18/2
                           1 2504     Output Inter-axle lock has T or Q
                                                                                                   ABS solenoid valve at right rear axle
                                                                                        1 3220
                           1 2505     Output Inter-axle lock has S                                 has Q at pin X2 18/10
                                      Control unit, parameterizing fault                           ABS solenoid valve at right rear axle
                           1 3012                                                       1 3221
                                      Wrong control unit installed                                 has T at pin X2 18/10
                                      Control unit, parameterizing fault                           ABS solenoid valve at right rear axle
                           1 3112                                                       1 3222
                                      Wrong control unit installed                                 has S at pin X2 18/10
             ABS solenoid valve at right rear axle                         The tire or rotor variation at the wheel
  1 3223
             has Q at pin X2 18/9                               1 4094     speed sensor at the right front axle is
                                                                           > 8%
             ABS solenoid valve at right rear axle
  1 3226
             has Q at pin X2 18/13                              1 4140     Speed sensor at left front axle has Q
             ABS solenoid valve at right rear axle                         The wheel speed sensor at the left
  1 3227                                                        1 4143
             has T at pin X2 18/13                                         front axle has Q, S or T
             ABS solenoid valve at right rear axle              1 4145     Rotor at left front axle is faulty
  1 3228
             has S at pin X2 18/13
                                                                           Instability monitoring for rpm sensor
                                                                1 4146
             ABS solenoid valve at left rear axle                          at left front axle
  1 3320
             has Q at pin X2 18/16
                                                                           Speed sensor at left front axle has
                                                                1 4148
             ABS solenoid valve at left rear axle                          gap
  1 3321
             has T at pin X2 18/16
                                                                           Implausible wheel speed at wheel
                                                                1 4149
             ABS solenoid valve at left rear                               speed sensor at left front axle
  1 3322     axle has S at pin X2
                                                                           The tire or rotor variation at the wheel
             18/16
                                                                1 4194     speed sensor at the left front axle is
                                                                                                                         Construction Details
                                                                           > 8%
             ABS solenoid valve at left rear axle
  1 3323
             has Q at pin X2 18/12
                                                                1 4240     Speed sensor at right rear axle has Q
                                                                                                                      Troubleshooting
             ABS solenoid valve at left rear axle
  1 3326                                                                   The wheel speed sensor at the right
             has Q at pin X2 18/17                              1 4243
                                                                           rear axle has Q,S or T
             ABS solenoid valve at left rear                    1 4245     Rotor at right rear axle is faulty
  1 3327
             axle has T at pin X2 18/17
                                                                           Instability monitoring for rpm sensor
             ABS solenoid valve at left rear                    1 4246
  1 3328                                                                   at right rear axle
             axle has S at pin X2 18/17
                                                                           Speed sensor at right rear axle has
             The ABS solenoid valves have T at                  1 4248
  1 3604                                                                   gap
             pin 2
                                                                           Implausible wheel speed at wheel
                                                                1 4249
             The ABS solenoid valves have S at                             speed sensor at right rear axle
  1 3605
             pin 2
                                                                           The tire or rotor variation at the wheel
  1 4040     Speed sensor at right front axle has Q             1 4294     speed sensor at the right rear axle is
                                                                           > 8%
             The wheel speed sensor at the right
  1 4043
             front axle has Q, S or T                           1 4340     Speed sensor at left rear axle has Q
  1 4045     Rotor at right front axle is faulty                           The wheel speed sensor at the left
                                                                1 4343
                                                                           rear axle has Q, S or T
             Instability monitoring for rpm sensor
  1 4046
             at right front axle                                1 4345     Rotor at left rear axle is faulty
             Speed sensor at right front axle has                          Instability monitoring for rpm sensor
  1 4048                                                        1 4346
             gap                                                           at left rear axle
             Implausible wheel speed at wheel                   1 4348     Speed sensor at left rear axle has gap
  1 4049
             speed sensor at right front axle
                                                                           Implausible wheel speed at wheel
                                                                1 4349
                                                                           speed sensor at left rear axle
Troubleshooting
                                                                                                                    Construction Details
                                                                            Common ground cable of solenoid
                                                                 1 3905
    1 3321     Solenoid valve MG2 has Q                                     valves MKUE2 and MKUB2 has S
                                                                                                                 Troubleshooting
    1 3421     Solenoid valve MR2 has Q                          1 4041     Sensor 'Split' has T
1 3622 Solenoid valve MKUE1 has T 1 5146 Rpm sensor B3 'Countershaft' has S
                                                                                                                                       Troubleshooting
                                                                                     2 3124     Solenoid valve MUB has S
                                                                                                                       Construction Details
             Operational fault of component Gate
  2 4243
             sensor
                                                                                                                    Troubleshooting
             Component Gate sensor not within
  2 4244
             permissible range of values
                           1 0271     Cable CAN-H of body CAN bus faulty                            Output' actuation (pin X4 18/13) has S
                                                                                         1 2421
                                                                                                    or Q
                           1 0272     Cable CAN-L of body CAN bus faulty
                                                                                                                                              Troubleshooting
                                                                                                    Output of 'PTO feedback' (pin X4 18/
                                      S ingle-wire mode of trailer CAN bus               1 2520
                           1 0370                                                                   14) has T
                                      is not possible
                                                                                                    Output of 'PTO feedback' (pin X4 18/
                                      Cable CAN-H of trailer CAN bus                     1 2521
                           1 0371                                                                   14) has S or Q
                                      faulty
                                                                                                    Output of 'Neutral position' (pin X4
                           1 0372     Cable CAN-L of trailer CAN bus faulty              1 2620
                                                                                                    18/15) has T
                           1 1010     Internal fault in control unit                                Output of 'Neutral position' (pin X4
                                                                                         1 2621
                                                                                                    18/15) has S or Q
                           1 1011     EEPROM error
                                                                                                    Output of 'Actuation of PTO 1' (pin X4
                           1 1012     Parameterization fault in control unit             1 2720
                                                                                                    18/16) has T
                           1 1100     Over voltage at terminal 30
                                                                                                    Output of 'Actuation of PTO 1' (pin X4
                                                                                         1 2721
                                                                                                    18/16) has S or Q
                           1 1101     Under voltage at terminal 30
                                                                                                    Not feedback of PTO 1 (pin X3 15/7)
                           1 1102     Interruption to voltage Kl. 30
                                                                                         1 2722     despite actuation of PTO 1 (pin X4 18/
                           1 1200     Over voltage at terminal 15                                   16)
                                                                                                                       Construction Details
  1 4021     Output X4 18/9 has S or Q                                     X4 18/12) has S or Q
                                                                                                                    Troubleshooting
  1 4121     Output X4 18/10 has S or Q
                                                                           Output of 'ABS fault' (pin X4 18/13)
  1 4220     Output X4 18/11 has T                               13421
                                                                           has S or Q
                                    PWM1 signal' output (pin X1 18/8) has                           Input of 'Revers e gear interrogation'
                         1 5420                                                          1 6740
                                    T                                                               (pin X4 18/4) has T
                                    PWM1 signal' output (pin X1 18/8) has                           Input of 'Revers e gear interrogation'
                         1 5421                                                          1 6741
                                    S or Q                                                          (pin X4 18/4) has S
                                    PWM2 signal' output (pin X1 18/9) has                           Input of 'Shift gear into neutral
                         1 5520                                                          1 6840
                                    T                                                               position' (pin X4 18/4) has T
                                    PWM2 signal' output (pin X1 18/9) has                           Input of 'Shift gear into neutral
                         1 5521                                                          1 6841
                                    S or Q                                                          position' (pin X4 18/4) has S
                                    Input signal of manual throttle                                 Input of 'Retarder status ' (pin X4 18/
                         1 6040                                                          1 6940
                                    actuator (pin X1 18/11) has T or Q                              5) has T
                                    Input signal of manual throttle                                 Input of 'Retarder status ' (pin X4 18/
                         1 6041                                                          1 6941
                                    actuator (pin X1 18/11) has S                                   5) has S
                                    Input of 'Engine s tart' (pin X2 18/7)                          Protect function for PTO’s has been
                         1 6140                                                          1 8080
                                    has T                                                           bridged manually
                                                                                                                                              Troubleshooting
                                    Input of 'Engine s tart' (pin X2 18/7)
                         1 6141
                                    has S
                                                                                                                       Construction Details
                                                                           HA temperature sensor: sensor cable
               WS: CAN message time out ID772                   1 0501
    1 0154                                                                 short circuit
               (RET
                                                                                                                    Troubleshooting
                                                                           HA temperature sensor: measurement
               WS: CAN message time out ID1360                  1 0502
    1 0155                                                                 value above maximum
               (FMR3)
                                                                           HA temperature sensor: measurement
               WS: CAN message time out ID1364                  1 0505
    1 0156                                                                 value not plausible
               (PLD2)
                                                                           HA temperature sensor: over
               WS: CAN message time out ID1440                  1 0510
    1 0157                                                                 temperature
               (INS)
                                                                           Tachograph distance signal:
               WS: CAN message time out ID1536                  1 2205
    1 0158                                                                 measurement value not plausible
               (EPB4)
                                                                           Speed signal C3: measurement value
               WS: CAN message time out ID1580                  1 3105
    1 0159                                                                 not plausible
               (EPS2)
                                                                1 3120     Speed signal C3: CAN signal error
               Transmission oil temperature sensor:
    1 0201
               sensor cable short circuit                       1 3220     RPM signal: CAN signal error
               Transmission oil temperature sensor:             1 3320     Engine load signal: CAN signal error
    1 0202
               measurement value above maximum
                                                                           Ambient temperature: CAN signal
               Transmission oil temperature sensor:             1 3420
    1 0205                                                                 error
               measurement value not plausible
                                                                1 3520     Air filter pollution: CAN signal error
               Transmission oil temperature sensor:
    1 0210
               over temperature                                            Retarder oil temperature:
                                                                1 4105
                                                                           measurement value not plausible
               Transmission oil temperature sensor:
    1 0220
               CAN signal error                                            Retarder oil temperature: over
                                                                1 4110
                                                                           temperature
               Transfer gearbox temperature sensor:
    1 0301
               sensor cable short circuit
                                    Retarder oil temperature: CAN signal                         Brake wear sensor HA1: deviation
                         1 4120                                                      2 1211
                                    error                                                        between wheels
                                    Engine oil temperature: CAN signal               2 1401      Brake VL1: sensor cable short circuit
                         1 5120
                                    error
                                                                                                 Brake VL1: measurement value above
                                                                                     2 1402
                                    Coolant water temperature:                                   maximum
                         1 5205
                                    measurement value not plausible
                                                                                                 Brake VL1: measurement value below
                                                                                     2 1403
                                    Coolant water temperature: over                              minimum
                         1 5210
                                    temperature
                                                                                     2 1404      Brake VL1: sensor cable disconnected
                                    Coolant water temperature: CAN
                         1 5220                                                      2 1420      Brake VL1: CAN signal error
                                    signal error
Construction Details
1 5320 Fuel consumption: CAN signal error 2 1501 Brake VR1: sensor cable short circuit
                                                                                                                                         Troubleshooting
                         1 7120     Clutch value: CAN signal error                               Brake VR1: measurement value above
                                                                                     2 1502
                                                                                                 maximum
                                    Brake pressure: CAN signal error
                         1 2320                                                                  Brake VR1: measurement value below
                                    No BAND                                          2 1503
                                                                                                 minimum
                         2 0132     WS: usage data error
                                                                                                 Brake VR1: sensor cable
                                                                                     2 1504
                         2 0133     WS: vehicle parameter error                                  disconnected
2 0135 WS: ROM error 2 1520 Brake VR1: CAN signal error
                                    Condensed water switch: sensor                   2 1601      Brake VL2: sensor cable short circuit
                         2 0601
                                    cable short circuit
                                                                                                 Brake VL2: measurement value above
                                                                                     2 1602
                                    Condensed water switch: sensor                               maximum
                         2 0604
                                    cable disconnected
                                                                                                 Brake VL2: measurement value below
                                                                                     2 1603
                                    Condensed water switch:                                      minimum
                         2 0605
                                    measurement value not plausible
                                                                                     2 1604      Brake VL2: sensor cable disconnected
                                    Brake wear sensor VA1: deviation
                         2 1011                                                      2 1620      Brake VL2: CAN signal error
                                    between wheels
                                                                                      2 1701     Brake VR2: sensor cable short circuit
                                    Brake wear sensor VA1: deviation
                         2 1012
                                    between axles
                                                                                                 Brake VR2: measurement value above
                                                                                     2 1702
                                                                                                 maximum
                                    Brake wear sensor VA2: deviation
                         2 1111
                                    between wheels
                                                                                                 Brake VR2: measurement value below
                                                                                     2 1703
                                                                                                 minimum
                                    Brake wear sensor VA2: deviation
                         2 1112
                                    between axles
                                                                                                 Brake VR2: sensor cable
                                                                                     2 1704
                                                                                                 disconnected
                                                                                               Construction Details
             Brake HR1: sensor cable
  2 1904
             disconnected
                                                                                            Troubleshooting
  2 1920     Brake HR1: CAN signal error