CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes

J1939 Code and Description CDL Code and Description

486-3
N/A
Engine Fan Reverse Switch : Voltage Above Normal
486-4
N/A
Engine Fan Reverse Switch : Voltage Below Normal
544-2
N/A
Engine Cooling Fan Speed Sensor : Erratic, Intermittent, or Incorrect
544-8
N/A Engine Cooling Fan Speed Sensor : Abnormal Frequency, Pulse Width, or
Period
1076-5
N/A
Engine Cooling Fan Bypass Solenoid : Current Below Normal
1076-6
N/A
Engine Cooling Fan Bypass Solenoid : Current Above Normal
1937-2
N/A
Engine Coolant Flow Switch : Erratic, Intermittent, or Incorrect
29-2 774-2
Accelerator Pedal Position 2 : Erratic, Intermittent, or
Secondary Throttle Position Sensor: Erratic, Intermittent, or Incorrect
Incorrect
29-3 774-3
Accelerator Pedal Position 2 : Voltage Above Normal Secondary Throttle Position Sensor: Voltage Above Normal
29-4 774-4
Accelerator Pedal Position 2 : Voltage Below Normal Secondary Throttle Position Sensor: Voltage Below Normal
29-8 774-8
Accelerator Pedal Position 2 : Abnormal Frequency, Secondary Throttle Position Sensor: Abnormal Frequency, Pulse Width, or
Pulse Width, or Period Period
91-2 91-2
Accelerator Pedal Position 1 : Erratic, Intermittent, or
Throttle Position Sensor : Erratic, Intermittent, or Incorrect
Incorrect
91-3 91-3
Accelerator Pedal Position 1 : Voltage Above Normal Throttle Position Sensor : Voltage Above Normal
91-4 91-4
Accelerator Pedal Position 1 : Voltage Below Normal Throttle Position Sensor : Voltage Below Normal
91-8 91-8
Accelerator Pedal Position 1 : Abnormal Frequency,
Throttle Position Sensor : Abnormal Frequency, Pulse Width, or Period
Pulse Width, or Period
97-3 3547-3
Water In Fuel Indicator : Voltage Above Normal Water in Fuel System Switch : Voltage Above Normal
100-3 100-3
Engine Oil Pressure : Voltage Above Normal Engine Oil Pressure Sensor : Voltage Above Normal
100-4 100-4
Engine Oil Pressure : Voltage Below Normal Engine Oil Pressure Sensor : Voltage Below Normal
101-3 101-3
Engine Crankcase Pressure : Voltage Above Normal Crankcase Air Pressure Sensor : Voltage Above Normal
101-4 101-4
Engine Crankcase Pressure : Voltage Below Normal Crankcase Air Pressure Sensor : Voltage Below Normal
101-13 101-13
Engine Crankcase Pressure : Calibration Required Crankcase Air Pressure Sensor : Calibration Required
108-3 3528-3
Barometric Pressure : Voltage Above Normal Atmospheric Pressure Sensor : Voltage Above Normal
108-4 3528-4
Barometric Pressure : Voltage Below Normal Atmospheric Pressure Sensor : Voltage Below Normal

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
108-21 3528 -21
Barometric Pressure : Calibration Required Atmospheric Pressure Sensor : Calibration Required
109-3 2302-3
Engine Coolant Pressure : Voltage Above Normal Engine Coolant Pump Outlet Pressure Sensor : Voltage Above Normal
109-4 2302-4
Engine Coolant Pressure : Voltage Below Normal Engine Coolant Pump Outlet Pressure Sensor : Voltage Below Normal
110-3 110-3
Engine Coolant Temperature : Voltage Above Normal Engine Coolant Temperature Sensor : Voltage Above Normal
110-4 110-4
Engine Coolant Temperature : Voltage Below Normal Engine Coolant Temperature Sensor : Voltage Below Normal
157-3 1797-3
Engine Injector Metering Rail #1 Pressure : Voltage
Fuel Rail Pressure Sensor : Voltage Above Normal
Above Normal
157-4 1797-4
Engine Injector Metering Rail #1 Pressure : Voltage
Fuel Rail Pressure Sensor : Voltage Below Normal
Below Normal
168-3 168-3
Battery Potential / Power Input 1 : Voltage Above Normal Electrical System Voltage : Voltage Above Normal
168-4 168-4
Battery Potential / Power Input 1 : Voltage Below Normal Electrical System Voltage : Voltage Below Normal
171-3 171-3
Ambient Air Temperature : Voltage Above Normal Ambient Air Temperature Sensor : Voltage Above Normal
171-4 171-4
Ambient Air Temperature : Voltage Below Normal Ambient Air Temperature Sensor : Voltage Below Normal
172-3 2526-3
Engine Air Inlet Temperature : Voltage Above Normal Air Inlet Temperature Sensor : Voltage Above Normal
172-4 2526-4
Engine Air Inlet Temperature : Voltage Below Normal Air Inlet Temperature Sensor : Voltage Below Normal
174-3 174-3
Engine Fuel Temperature 1 : Voltage Above Normal Fuel Temperature Sensor : Voltage Above Normal
174-4 174-4
Engine Fuel Temperature 1 : Voltage Below Normal Fuel Temperature Sensor : Voltage Below Normal
175-3 175-3
Engine Oil Temperature 1 : Voltage Above Normal Engine Oil Temperature 1 : Voltage Above Normal
175-4 175-4
Engine Oil Temperature 1 : Voltage Below Normal Engine Oil Temperature 1 : Voltage Below Normal
190-8 190-8
Engine Speed : Abnormal Frequency, Pulse Width, or
Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period
Period
411-3 3387-3
Engine Exhaust Gas Recirculation Differential Pressure :
EGR Differential Pressure Sensor : Voltage Above Normal
Voltage Above Normal
411-4 3387-4
Engine Exhaust Gas Recirculation Differential Pressure :
EGR Differential Pressure Sensor : Voltage Below Normal
Voltage Below Normal
411-13 3387-13
Engine Exhaust Gas Recirculation Differential Pressure :
EGR Differential Pressure Sensor : Calibration Required
Calibration Required

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
412-3 3386-3
Engine Exhaust Gas Recirculation Temperature : Voltage
EGR Temperature Sensor : Voltage Above Normal
Above Normal
412-4 3386-4
Engine Exhaust Gas Recirculation Temperature : Voltage
EGR Temperature Sensor : Voltage Below Normal
Below Normal
441-3 1836-3
Auxiliary Temperature #1 : Voltage Above Normal Auxiliary Temperature Sensor : Voltage Above Normal
441-4 1836-4
Auxiliary Temperature #1 : Voltage Below Normal Auxiliary Temperature Sensor : Voltage Below Normal
442-3 3683-3
Auxiliary Temperature #2 : Voltage Above Normal Auxiliary Temperature Sensor #2 : Voltage Above Normal
442-4 3683-4
Auxiliary Temperature #2 : Voltage Below Normal Auxiliary Temperature Sensor #2 : Voltage Below Normal
597-3 298-3
Brake Switch : Voltage Above Normal Service Brake Pedal Switch : Voltage Above Normal
597-4 298-4
Brake Switch : Voltage Below Normal Service Brake Pedal Switch : Voltage Below Normal
625-14 246-14
Proprietary Data Link : Special Instruction Proprietary CAN Data Link: Special Instruction
626-5 2417-5
Engine Start Enable Device 1 : Current Below Normal Ether Injection Control Solenoid : Current Below Normal
626-6 2417-6
Engine Start Enable Device 1 : Current Above Normal Ether Injection Control Solenoid : Current Above Normal
630-2 268-2
Calibration Memory : Erratic, Intermittent, or Incorrect Programmed Parameter Fault : Erratic, Intermittent, or Incorrect
631-2 253-2
Calibration Module : Erratic, Intermittent, or Incorrect Personality Module : Erratic, Intermittent, or Incorrect
637-11 261-11
Engine Timing Sensor : Other Failure Mode Engine Timing Offset fault
637-13 261-13
Engine Timing Sensor : Calibration Required Engine Timing Calibration : Calibration Required
639-9 247-9
J1939 Network #1 : Abnormal Update Rate SAE J1939 Data Link : Abnormal Update Rate
639-14 247-14
J1939 Network #1 : Special Instruction SAE J1939 Data Link : Special Instruction
651-5 1-5
Engine Injector Cylinder #01 : Current Below Normal Cylinder #1 Injector : Current Below Normal
651-6 1-6
Engine Injector Cylinder #01 : Current Above Normal Cylinder #1 Injector : Current Above Normal
652-5 2-5
Engine Injector Cylinder #02 : Current Below Normal Cylinder #2 Injector : Current Below Normal
652-6 2-6
Engine Injector Cylinder #02 : Current Above Normal Cylinder #2 Injector : Current Above Normal
653-5 3-5
Engine Injector Cylinder #03 : Current Below Normal Cylinder #3 Injector : Current Below Normal
653-6 3-6
Engine Injector Cylinder #03 : Current Above Normal Cylinder #3 Injector : Current Above Normal

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
654-5 4-5
Engine Injector Cylinder #04 : Current Below Normal Cylinder #4 Injector : Current Below Normal
654-6 4-6
Engine Injector Cylinder #04 : Current Above Normal Cylinder #4 Injector : Current Above Normal
655-5 5-5
Engine Injector Cylinder #05 : Current Below Normal Cylinder #5 Injector : Current Below Normal
655-6 5-6
Engine Injector Cylinder #05 : Current Above Normal Cylinder #5 Injector : Current Above Normal
656-5 6-5
Engine Injector Cylinder #06 : Current Below Normal Cylinder #6 Injector : Current Below Normal
656-6 6-6
Engine Injector Cylinder #06 : Current Above Normal Cylinder #6 Injector : Current Above Normal
677-5 444-5
Engine Starter Motor Relay : Current Below Normal Starter Motor Relay : Current Below Normal
677-6 444-6
Engine Starter Motor Relay : Current Above Normal Starter Motor Relay : Current Above Normal
678-3 41-3
ECU 8 Volts DC Supply : Voltage Above Normal 8 Volt DC Supply : Voltage Above Normal
678-4 41-4
ECU 8 Volts DC Supply : Voltage Below Normal 8 Volt DC Supply : Voltage Below Normal
723-8 342-8
Engine Speed Sensor #2 : Abnormal Frequency, Pulse Secondary Engine Speed Sensor : Abnormal Frequency, Pulse Width, or
Width, or Period Period
1072-5 2533-5
Engine (Compression) Brake Output #1 : Current Below
Compression Brake Low/High Solenoid #1 : Current Below Normal
Normal
1072-6 2533-6
Engine (Compression) Brake Output #1 : Current Above
Compression Brake Low/High Solenoid #1 : Current Above Normal
Normal
1073-5 2535-5
Engine (Compression) Brake Output #2 : Current Below
Compression Brake Medium/High Solenoid #1 : Current Below Normal
Normal
1073-6 2535-6
Engine (Compression) Brake Output #2 : Current Above
Compression Brake Medium/High Solenoid #1 : Current Above Normal
Normal
1074-5 2232-5
Engine (Exhaust) Brake Output : Current Below Normal Engine Retarder Solenoid : Current Below Normal
1074-6 2232-6
Engine (Exhaust) Brake Output : Current Above Normal Engine Retarder Solenoid : Current Above Normal
1176-3 2738-3
Engine Turbocharger 1 Compressor Inlet Pressure : Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Above
Voltage Above Normal Normal
1176-4 2738-4
Engine Turbocharger 1 Compressor Inlet Pressure : Turbocharger #1 Compressor Inlet Pressure Sensor : Voltage Below
Voltage Below Normal Normal
1231-9 2348-9
J1939 Network #2 : Abnormal Update Rate SAE J1939 Data Link #2 : Abnormal Update Rate
1231-14 2348-14
J1939 Network #2 : Special Instruction SAE J1939 Data Link #2 : Special Instruction

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
1235-9 5856-9
J1939 Network #3 : Abnormal Update Rate SAE J1939 Data Link #3:Abnormal Update Rate
1235-14 5856-14
J1939 Network #3 : Special Instruction SAE J1939 Data Link #3: Special Instruction
1347-5 1779-5
Engine Fuel Pump Pressurizing Assembly #1 : Current
Fuel Rail #1 Pressure Valve Solenoid : Current Below Normal
Below Normal
1347-6 1779-6
Engine Fuel Pump Pressurizing Assembly #1 : Current
Fuel Rail #1 Pressure Valve Solenoid : Current Above Normal
Above Normal
1348-5 1780-5
Engine Fuel Pump Pressurizing Assembly #2 : Current
Fuel Rail #2 Pressure Valve Solenoid : Current Below Normal
Below Normal
1348-6 1780-6
Engine Fuel Pump Pressurizing Assembly #2 : Current
Fuel Rail #2 Pressure Valve Solenoid : Current Above Normal
Above Normal
1385-3 1836-3
Auxiliary Temperature #1 : Voltage Above Normal Auxiliary Temperature Sensor : Voltage Above Normal
1385-4 1836-4
Auxiliary Temperature #1 : Voltage Below Normal Auxiliary Temperature Sensor : Voltage Below Normal
1387-3 1835-3
Auxiliary Pressure #1 : Voltage Above Normal Auxiliary Pressure Sensor : Voltage Above Normal
1387-4 1835-4
Auxiliary Pressure #1 : Voltage Below Normal Auxiliary Pressure Sensor : Voltage Below Normal
1761-3 3130-3
Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Aftertreatment #1 SCR Catalyst Reagent Tank #1 Level Sensor : Voltage
Voltage Above Normal Above Normal
1761-4 3130-4
Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Aftertreatment #1 SCR Catalyst Reagent Tank #1 Level Sensor : Voltage
Voltage Below Normal Below Normal
2630-3 3372-3
Engine Charge Air Cooler Outlet Temperature : Voltage Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Above
Above Normal Normal
2630-4 3372-4
Engine Charge Air Cooler Outlet Temperature : Voltage Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Below
Below Normal Normal
2791-5 3405-5
Engine Exhaust Gas Recirculation (EGR) Valve Control :
EGR Valve Control : Current Below Normal
Current Below Normal
2791-6 3405-6
Engine Exhaust Gas Recirculation (EGR) Valve Control :
EGR Valve Control : Current Above Normal
Current Above Normal
2813-5 3239-5
Engine Air Shutoff Command Status : Current Below
Air Shutoff Relay : Current Below Normal
Normal
2813-6 3239-6
Engine Air Shutoff Command Status : Current Above
Air Shutoff Relay : Current Above Normal
Normal
2853-9
N/A
Communications Connection : Abnormal Update Rate
2948-3 1924-3
Engine Intake Valve Actuation System Oil Pressure : Intake Valve Actuation System Oil Pressure Sensor : Voltage Above
Voltage Above Normal Normal
2948-4 1924-4
Engine Intake Valve Actuation System Oil Pressure : Intake Valve Actuation System Oil Pressure Sensor : Voltage Below
Voltage Below Normal Normal

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
2949-5 1922-5
Engine Intake Valve Actuation System Oil Pressure Intake Valve Actuation System Oil Pressure Solenoid : Current Below
Control Valve : Current Below Normal Normal
2949-6 1922-6
Engine Intake Valve Actuation System Oil Pressure Intake Valve Actuation System Oil Pressure Solenoid : Current Above
Control Valve : Current Above Normal Normal
2949-7 1922-7
Engine Intake Valve Actuation System Oil Pressure Intake Valve Actuation System Oil Pressure Solenoid : Not Responding
Control Valve : Not Responding Properly Properly
2950-5 1901-5
Engine Intake Valve Actuator #1 : Current Below Normal Intake Valve Actuator #1 : Current Below Normal
2950-6 1901-6
Engine Intake Valve Actuator #1 : Current Above Normal Intake Valve Actuator #1 : Current Above Normal
2950-7 1901-7
Engine Intake Valve Actuator #1 : Not Responding
Intake Valve Actuator #1 : Not Responding Properly
Properly
2951-5 1902-5
Engine Intake Valve Actuator #2 : Current Below Normal Intake Valve Actuator #2 : Current Below Normal
2951-6 1902-6
Engine Intake Valve Actuator #2 : Current Above Normal Intake Valve Actuator #2 : Current Above Normal
2951-7 1902-7
Engine Intake Valve Actuator #2 : Not Responding
Intake Valve Actuator #2 : Not Responding Properly
Properly
2952-5 1903-5
Engine Intake Valve Actuator #3 : Current Below Normal Intake Valve Actuator #3 : Current Below Normal
2952-6 1903-6
Engine Intake Valve Actuator #3 : Current Above Normal Intake Valve Actuator #3 : Current Above Normal
2952-7 1903-7
Engine Intake Valve Actuator #3 : Not Responding
Intake Valve Actuator #3 : Not Responding Properly
Properly
2953-5 1904-5
Engine Intake Valve Actuator #4 : Current Below Normal Intake Valve Actuator #4 : Current Below Normal
2953-6 1904-6
Engine Intake Valve Actuator #4 : Current Above Normal Intake Valve Actuator #4 : Current Above Normal
2953-7 1904-7
Engine Intake Valve Actuator #4 : Not Responding
Intake Valve Actuator #4 : Not Responding Properly
Properly
2954-5 1905-5
Engine Intake Valve Actuator #5 : Current Below Normal Intake Valve Actuator #5 : Current Below Normal
2954-6 1905-6
Engine Intake Valve Actuator #5 : Current Above Normal Intake Valve Actuator #5 : Current Above Normal
2954-7 1905-7
Engine Intake Valve Actuator #5 : Not Responding
Intake Valve Actuator #5 : Not Responding Properly
Properly
2955-5 1906-5
Engine Intake Valve Actuator #6 : Current Below Normal Intake Valve Actuator #6 : Current Below Normal

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
2955-6 1906-6
Engine Intake Valve Actuator #6 : Current Above Normal Intake Valve Actuator #6 : Current Above Normal
2955-7 1906-7
Engine Intake Valve Actuator #6 : Not Responding
Intake Valve Actuator #6 : Not Responding Properly
Properly
3031-3 3134-3
Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Aftertreatment #1 SCR Catalyst Reagent Tank #1 Temperature Sensor :
: Voltage Above Normal Voltage Above Normal
3031-4 3134-4
Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Aftertreatment #1 SCR Catalyst Reagent Tank #1 Temperature Sensor :
: Voltage Below Normal Voltage Below Normal
3516–2 3100–2
Aftertreatment #1 DEF Concentration: Erratic,
Aftertreatment #1 DEF Concentration: Erratic, Intermittent, or Incorrect
Intermittent, or Incorrect
3216-11 3655-11
Aftertreatment #1 Intake NOx : Other Failure Mode Aftertreatment #1 Intake NOx Level Sensor : Other Failure Mode
3216-12 3655-12
Aftertreatment #1 Intake NOx : Failure Aftertreatment #1 Intake NOx Level Sensor : Failure
3226-11 3609-11
Aftertreatment #1 Outlet NOx : Other Failure Mode Aftertreatment #1 Outlet #1 NOx Level Sensor : Other Failure Mode
3226-12 3609-12
Aftertreatment #1 Outlet NOx : Failure Aftertreatment #1 Outlet #1 NOx Level Sensor : Failure
3241-3 3485-3
Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Above
Exhaust Gas Temperature 1 : Voltage Above Normal
Normal
3241-4 3485-4
Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Below
Exhaust Gas Temperature 1 : Voltage Below Normal
Normal
3242-3 2452-3
Particulate Trap Intake Gas Temperature : Voltage
DPF #1 Intake Temperature Sensor : Voltage Above Normal
Above Normal
3242-4 2452-4
Particulate Trap Intake Gas Temperature : Voltage Below
DPF #1 Intake Temperature Sensor : Voltage Below Normal
Normal
3251-2 2458-2
Particulate Trap Differential Pressure : Erratic,
DPF #1 Differential Pressure Sensor : Erratic, Intermittent, or Incorrect
Intermittent, or Incorrect
3251-3 2458-3
Particulate Trap Differential Pressure : Voltage Above
DPF #1 Differential Pressure Sensor : Voltage Above Normal
Normal
3251-4 2458-4
Particulate Trap Differential Pressure : Voltage Below
DPF #1 Differential Pressure Sensor : Voltage Below Normal
Normal
3251-13 2458-13
Particulate Trap Differential Pressure : Out of Calibration DPF #1 Differential Pressure Sensor : Out of Calibration
3358-3 3385-3
Engine Exhaust Gas Recirculation Inlet Pressure :
EGR Intake Pressure Sensor : Voltage Above Normal
Voltage Above Normal
3358-4 3385-4
Engine Exhaust Gas Recirculation Inlet Pressure :
EGR Intake Pressure Sensor : Voltage Below Normal
Voltage Below Normal
3358-13 3385-13
Engine Exhaust Gas Recirculation Inlet Pressure :
EGR Intake Pressure Sensor : Calibration Required
Calibration Required

80-1275 Page 7 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3358-21 3385-21
Engine Exhaust Gas Recirculation Inlet Pressure : Data
EGR Intake Pressure Sensor : Data Drifted Low
Drifted Low
3360-3 3820-3
Aftertreatment 1 Diesel Exhaust Fluid Controller : Voltage
Aftertreatment #1 Diesel Exhaust Fluid Controller : Voltage Above Normal
Above Normal
3360-4 3820-4
Aftertreatment 1 Diesel Exhaust Fluid Controller : Voltage
Aftertreatment #1 Diesel Exhaust Fluid Controller : Voltage Below Normal
Below Normal
3360-9 3820-9
Aftertreatment #1 DEF Controller : Abnormal Update
Aftertreatment #1 Diesel Exhaust Fluid Controller : Abnormal Update Rate
Rate
3360-12 3820-12
Aftertreatment 1 Diesel Exhaust Fluid Controller : Failure Aftertreatment #1 Diesel Exhaust Fluid Controller : Failure
3361-5 3821-5
Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Current
Catalyst Dosing Unit : Current Below Normal
Below Normal
3361-6 3821-6
Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Current
Catalyst Dosing Unit : Current Above Normal
Above Normal
3361-7 3821-7
Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Not
Catalyst Dosing Unit : Not Responding Properly
Responding Properly
3361-11 3821-11
Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Other
Catalyst Dosing Unit : Other Failure Mode
Failure Mode
3361-12 3821-12
Aftertreatment #1 DEF Dosing Unit : Failure Aftertreatment #1 DEF Dosing Valve Actuator #1 : Failure
3361-14 3821-14
Aftertreatment #1 Diesel Exhaust Fluid Dosing Valve Actuator : Special
Catalyst Dosing Unit : Special Instruction
Instruction
3363-5 3126-5
Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter
Current Below Normal Solenoid : Current Below Normal
3363-6 3126-6
Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter
Current Above Normal Solenoid : Current Above Normal
3363-7 3126-7
Aftertreatment 1 Diesel Exhaust Fluid Tank Heater : Not Aftertreatment #1 SCR Catalyst Reagent Tank #1 Heater Coolant Diverter
Responding Properly Solenoid : Not Responding Properly
3479-5 2461-5
Aftertreatment #1 Fuel Pressure Control : Current Below
ARD Fuel Pressure #1 Control : Current Below Normal
Normal
3479-6 2461-6
Aftertreatment #1 Fuel Pressure Control : Current Above
ARD Fuel Pressure #1 Control : Current Above Normal
Normal
3480-3 2460-3
Aftertreatment #1 Fuel Pressure #1 : Voltage Above
ARD Fuel Pressure #1 Sensor : Voltage Above Normal
Normal
3480-4 2460-4
Aftertreatment #1 Fuel Pressure #1 : Voltage Below
ARD Fuel Pressure #1 Sensor : Voltage Below Normal
Normal
3484-5 2465-5
Aftertreatment #1 Ignition : Current Below Normal Aftertreatment #1 Ignition Transformer Primary : Current Below Normal

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 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3484-6 2465-6
Aftertreatment #1 Ignition : Current Above Normal Aftertreatment #1 Ignition Transformer Primary : Current Above Normal
3487-5 2489-5
Aftertreatment #1 Air Pressure Control : Current Below
ARD Air Pressure Control Actuator : Current Below Normal
Normal
3487-6 2489-6
Aftertreatment #1 Air Pressure Control : Current Above
ARD Air Pressure Control Actuator : Current Above Normal
Normal
3487-13 2489-13
Aftertreatment #1 Air Pressure Control : Out of
ARD Air Pressure Control Actuator : Out of Calibration
Calibration
3488-3 2490-3
Aftertreatment #1 Air Pressure Actuator Position : ARD Air Pressure Control Actuator Position Sensor : Voltage Above
Voltage Above Normal Normal
3488-4 2490-4
Aftertreatment #1 Air Pressure Actuator Position : ARD Air Pressure Control Actuator Position Sensor : Voltage Below
Voltage Below Normal Normal
3509-3 262-3
Sensor Supply Voltage 1 : Voltage Above Normal 5 Volt Sensor DC Power Supply : Voltage Above Normal
3509-4 262-4
Sensor Supply Voltage 1 : Voltage Below Normal 5 Volt Sensor DC Power Supply : Voltage Below Normal
3510-3 2131-3
Sensor Supply Voltage 2 : Voltage Above Normal 5 Volt Sensor DC Power Supply #2 : Voltage Above Normal
3510-4 2131-4
Sensor Supply Voltage 2 : Voltage Below Normal 5 Volt Sensor DC Power Supply #2 : Voltage Below Normal
3511-11 3482-11
Sensor Supply Voltage 3 : Other Failure Mode Sensor Supply #3 : Other Failure Mode
3516-12 3100-12
Catalyst Reagent Concentration : Failure Aftertreatment #1 SCR Catalyst Tank Reagent Quality Sensor : Failure
3563-3 1785-3
Engine Intake Manifold #1 Absolute Pressure : Voltage
Intake Manifold Pressure Sensor : Voltage Above Normal
Above Normal
3563-4 1785-4
Engine Intake Manifold #1 Absolute Pressure : Voltage
Intake Manifold Pressure Sensor : Voltage Below Normal
Below Normal
3563-13 1785-13
Engine Intake Manifold #1 Absolute Pressure :
Intake Manifold Pressure Sensor : Calibration Required
Calibration Required
3563-21 1785-21
Engine Intake Manifold #1 Absolute Pressure : Data
Intake Manifold Pressure Sensor : Data Drifted Low
Drifted Low
3609-3 3464-3
DPF #1 Intake Pressure : Voltage Above Normal DPF #1 Intake Pressure Sensor : Voltage Above Normal
3609-4 3464-4
DPF #1 Intake Pressure : Voltage Below Normal DPF #1 Intake Pressure Sensor : Voltage Below Normal
3609-13 3464-13
DPF #1 Intake Pressure : Calibration Required DPF #1 Intake Pressure Sensor : Calibration Required
3609-21 3464-21
DPF #1 Intake Pressure : Data Drifted Low DPF #1 Intake Pressure Sensor : Data Drifted Low
3659-5 2602-5
Engine Injector Cylinder #1 Actuator #2 : Current Below
Cylinder #1 Injector Actuator #2 : Current Below Normal
Normal
3659-6 2602-6
Engine Injector Cylinder #1 Actuator #2 : Current Above
Cylinder #1 Injector Actuator #2 : Current Above Normal
Normal

80-1275 Page 9 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3660-5 2604-5
Engine Injector Cylinder #2 Actuator #2 : Current Below
Cylinder #2 Injector Actuator #2 : Current Below Normal
Normal
3660-6 2604-6
Engine Injector Cylinder #2 Actuator #2 : Current Above
Cylinder #2 Injector Actuator #2 : Current Above Normal
Normal
3661-5 2606-5
Engine Injector Cylinder #3 Actuator #2 : Current Below
Cylinder #3 Injector Actuator #2 : Current Below Normal
Normal
3661-6 2606-6
Engine Injector Cylinder #3 Actuator #2 : Current Above
Cylinder #3 Injector Actuator #2 : Current Above Normal
Normal
3662-5 2608-5
Engine Injector Cylinder #4 Actuator #2 : Current Below
Cylinder #4 Injector Actuator #2 : Current Below Normal
Normal
3662-6 2608-6
Engine Injector Cylinder #4 Actuator #2 : Current Above
Cylinder #4 Injector Actuator #2 : Current Above Normal
Normal
3663-5 2610-5
Engine Injector Cylinder #5 Actuator #2 : Current Below
Cylinder #5 Injector Actuator #2 : Current Below Normal
Normal
3663-6 2610-6
Engine Injector Cylinder #5 Actuator #2 : Current Above
Cylinder #5 Injector Actuator #2 : Current Above Normal
Normal
3664-5 2612-5
Engine Injector Cylinder #6 Actuator #2 : Current Below
Cylinder #6 Injector Actuator #2 : Current Below Normal
Normal
3664-6 2612-6
Engine Injector Cylinder #6 Actuator #2 : Current Above
Cylinder #6 Injector Actuator #2 : Current Above Normal
Normal
3695-2 3184-2
Particulate Trap Regeneration Inhibit Switch : Erratic,
DPF Regeneration Inhibit Switch : Erratic, Intermittent, or Incorrect
Intermittent, or Incorrect
3696-2 3183-2
Particulate Trap Regeneration Force Switch : Erratic,
DPF Regeneration Force Switch : Erratic, Intermittent, or Incorrect
Intermittent, or Incorrect
3697-5 1090-5
Particulate Trap Lamp Command : Current Below
N/A
Normal
3697-6 1090-6
Particulate Trap Lamp Command : Current Above
N/A
Normal
3698-5 1091-5
Exhaust System High Temperature Lamp Command :
N/A
Current Below Normal
3698-6 1091-6
Exhaust System High Temperature Lamp Command :
N/A
Current Above Normal
3837-3 3493-3
Aftertreatment 1 Secondary Air Pressure : Voltage Above Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Above
Normal Normal
3837-4 3493-4
Aftertreatment 1 Secondary Air Pressure : Voltage Below
Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Below Normal
Normal
3837-13 3493-13
Aftertreatment 1 Secondary Air Pressure : Calibration
Aftertreatment #1 Secondary Air Pressure Sensor : Calibration Required
Required

80-1275 Page 10 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
3837-21 3493-21
Aftertreatment 1 Secondary Air Pressure : Data Drifted
Aftertreatment #1 Secondary Air Pressure Sensor : Data Drifted Low
Low
4077-3 2497-3
Aftertreatment #1 Fuel Pressure #2 : Voltage Above
ARD Fuel Pressure #2 Sensor : Voltage Above Normal
Normal
4077-4 2497-4
Aftertreatment #1 Fuel Pressure #2 : Voltage Below
ARD Fuel Pressure #2 Sensor : Voltage Below Normal
Normal
4212-5 291-5
Fan Drive Bypass Command Status : Current Below
Engine Cooling Fan Solenoid : Current Below Normal
Normal
4212-6 291-6
Fan Drive Bypass Command Status : Current Above
Engine Cooling Fan Solenoid : Current Above Normal
Normal
4212-13 1551-13
Fan Drive Bypass Command Status : Out of Calibration Engine Demand Fan System : Out of Calibration
4214-5 485-5
Engine Fan Reverse Actuator : Current Below Normal Engine Fan Reversing Solenoid : Current Below Normal
4214-6 485-6
Engine Fan Reverse Actuator : Current Above Normal Engine Fan Reversing Solenoid : Current Above Normal
4215-3 267-3
Ground-Level Shutdown Activated : Voltage Above
Remote Shutdown Input : Voltage Above Normal
Normal
4215-4 267-4
Ground-Level Shutdown Activated : Voltage Below
Remote Shutdown Input : Voltage Below Normal
Normal
4265-5 3180-5
Aftertreatment #1 Transformer Secondary Output :
Aftertreatment #1 Ignition Transformer Secondary : Current Below Normal
Current Below Normal
4301-3 3182-3
Aftertreatment #1 Fuel Injector #1 Heater Control :
Aftertreatment #1 Fuel Injector #1 Heater : Voltage Above Normal
Voltage Above Normal
4301-4 3182-4
Aftertreatment #1 Fuel Injector #1 Heater Control :
Aftertreatment #1 Fuel Injector #1 Heater : Voltage Below Normal
Voltage Below Normal
4301-5 3182-5
Aftertreatment #1 Fuel Injector #1 Heater Control :
Aftertreatment #1 Fuel Injector #1 Heater : Current Below Normal
Current Below Normal
4301-6 3182-6
Aftertreatment #1 Fuel Injector #1 Heater Control :
Aftertreatment #1 Fuel Injector #1 Heater : Current Above Normal
Current Above Normal
4334-3 3090-3
Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Voltage Above
Pressure : Voltage Above Normal Normal
4334-4 3090-4
Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Voltage Below
Pressure : Voltage Below Normal Normal
4334-7 3090-7
Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Aftertreatment #1 SCR Dosing Reagent Pressure Sensor : Not
Pressure : Not Responding Properly Responding Properly
4337-8 3096-8
Aftertreatment 1 Diesel Exhaust Fluid Dosing
Aftertreatment #1 SCR Dosing Reagent Temperature #1 Sensor :
Temperature : Abnormal Frequency, Pulse Width, or
Abnormal Frequency, Pulse Width, or Period
Period

80-1275 Page 11 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
4354-5 3110-5
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Aftertreatment #1 SCR Catalyst Reagent Line Heater #1 : Current Below
Current Below Normal Normal
4354-6 3110-6
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Aftertreatment #1 SCR Catalyst Reagent Line Heater #1 : Current Above
Current Above Normal Normal
4355-5 3111-5
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 : Aftertreatment #1 SCR Catalyst Reagent Line Heater #2 : Current Below
Current Below Normal Normal
4355-6 3111-6
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 : Aftertreatment #1 SCR Catalyst Reagent Line Heater #2 : Current Above
Current Above Normal Normal
4356-5 3112-5
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 : Aftertreatment #1 SCR Catalyst Reagent Line Heater #3 : Current Below
Current Below Normal Normal
4356-6 3112-6
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3: Aftertreatment #1 SCR Catalyst Reagent Line Heater #3 : Current Above
Current Above Normal Normal
4360-3 3105-3
Aftertreatment #1 SCR Catalyst Intake Gas Temperature Aftertreatment #1 SCR Catalyst Intake Gas Temperature Sensor : Voltage
: Voltage Above Normal Above Normal
4360-4 3105-4
Aftertreatment #1 SCR Catalyst Intake Gas Temperature Aftertreatment #1 SCR Catalyst Intake Gas Temperature Sensor : Voltage
: Voltage Below Normal Below Normal
4374-5 3118-5
Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor :
Speed : Current Below Normal Current Below Normal
4374-6 3118-6
Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor :
Speed : Current Above Normal Current Above Normal
4374-8 3118-8
Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Aftertreatment #1 SCR Catalyst Reagent Pump Motor Speed Sensor :
Speed : Abnormal Frequency, Pulse Width, or Period Abnormal Frequency, Pulse Width, or Period
4376-5 3862-5
Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Current
Current Below Normal Below Normal
4376-6 3862-6
Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Current
Current Above Normal Above Normal
4376-7 3862-7
Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Not Aftertreatment #1 Diesel Exhaust Fluid Return Valve Solenoid : Not
Responding Properly Responding Properly
5276-5 3409-5
Engine Exhaust Manifold Bank #1 Flow Balance Valve Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current
Actuator Control : Current Below Normal Below Normal
5276-6 3409-6
Engine Exhaust Manifold Bank #1 Flow Balance Valve Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current
Actuator Control : Current Above Normal Above Normal
5423-5 3427-5
Aftertreatment #1 Fuel Pump Relay Control : Current
Aftertreatment Fuel Pump Relay : Current Below Normal
Below Normal
5423-6 3427-6
Aftertreatment #1 Fuel Pump Relay Control : Current
Aftertreatment Fuel Pump Relay : Current Above Normal
Above Normal
5424-5 3413-5
Aftertreatment #1 Fuel Flow Diverter Valve Control :
ARD Fuel Flow Diverter Actuator : Current Below Normal
Current Below Normal

80-1275 Page 12 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
5424-6 3413-6
Aftertreatment #1 Fuel Flow Diverter Valve Control :
ARD Fuel Flow Diverter Actuator : Current Above Normal
Current Above Normal
5425-5 3391-5
Aftertreatment #1 Fuel Pressure #2 Actuator Control :
ARD Fuel Pressure #2 Control Actuator : Current Below Normal
Current Below Normal
5425-6 3391-6
Aftertreatment #1 Fuel Pressure #2 Actuator Control :
ARD Fuel Pressure #2 Control Actuator : Current Above Normal
Current Above Normal
5491-5 3822-5
Aftertreatment #1 DEF Line Heater Relay : Current Below Aftertreatment #1 Diesel Exhaust Fluid Line Heater Relay : Current Below
Normal Normal
5491-6 3822-6
Aftertreatment #1 DEF Line Heater Relay : Current Aftertreatment #1 Diesel Exhaust Fluid Line Heater Relay : Current Above
Above Normal Normal
5576-2 3468-2
Aftertreatment #1 Identification : Erratic, Intermittent, or Aftertreatment #1 Identification Number Module : Erratic, Intermittent, or
Incorrect Incorrect
5576-8 3468-8
Aftertreatment #1 Identification : Abnormal Frequency, Aftertreatment #1 Identification Number Module : Abnormal Frequency,
Pulse Width, or Period Pulse Width, or Period
5576-14 3468-14
Aftertreatment #1 Identification : Special Instruction Aftertreatment #1 Identification Number Module : Special Instruction
5577-2 3469-2
Aftertreatment #2 Identification : Erratic, Intermittent, or Aftertreatment #2 Identification Number Module: Erratic, Intermittent, or
Incorrect Incorrect
5577-8 3469-8
Aftertreatment #2 Identification Number Module: Aftertreatment #2 Identification Number Module: Abnormal Frequency,
Abnormal Frequency, Pulse Width, or Period Pulse Width, or Period
5577-14 3469-14
Aftertreatment #2 Identification : Special Instruction Aftertreatment #2 Identification Number Module: Special Instruction
5578-3 289-3
Engine Fuel Delivery Absolute Pressure : Voltage Above
Fuel Pressure Sensor - Before Fuel Filter : Voltage Above Normal
Normal
5578-4 289-4
Engine Fuel Delivery Absolute Pressure : Voltage Below
Fuel Pressure Sensor - Before Fuel Filter : Voltage Below Normal
Normal
5578-21 289-21
Engine Fuel Delivery Absolute Pressure : Data Drifted
Fuel Pressure Sensor - Before Fuel Filter : Data Drifted Low
Low
5580-3 460-3
Engine Filtered Fuel Delivery Absolute Pressure :
Fuel Pressure Sensor - After Fuel Filter : Voltage Above Normal
Voltage Above Normal
5580-4 460-4
Engine Filtered Fuel Delivery Absolute Pressure :
Fuel Pressure Sensor - After Fuel Filter : Voltage Below Normal
Voltage Below Normal
5580-21 460-21
Engine Filtered Fuel Delivery Absolute Pressure : Data
Fuel Pressure Sensor - After Fuel Filter : Data Drifted Low
Drifted Low
5758-11 3621-11
Aftertreatment #1 Intake Gas Sensor Power Supply :
Engine Exhaust NOx Level Sensor Power Supply : Other Failure Mode
Other Failure Mode
5759-11 3619-11
Aftertreatment #1 Outlet Gas Sensor Power Supply : Aftertreatment #1 Outlet #1 NOx Level Sensor Power Supply : Other
Other Failure Mode Failure Mode
5965-5 3838-5
Aftertreatment 1 Diesel Exhaust Fluid Control Module Aftertreatment #1 Diesel Exhaust Fluid Dosing Control Module Relay :
Relay Control : Current Below Normal Current Below Normal

80-1275 Page 13 of 14 Rev: 03/2019

 CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes
J1939 Code and Description CDL Code and Description
5965-6 3838-6
Aftertreatment 1 Diesel Exhaust Fluid Control Module Aftertreatment #1 Diesel Exhaust Fluid Dosing Control Module Relay :
Relay Control : Current Above Normal Current Above Normal
5966-5 3965-5
Aftertreatment 1 Diesel Exhaust Fluid Control Module Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #1 :
Power Supply : Current Below Normal Current Below Normal
5966-6 3965-6
Aftertreatment 1 Diesel Exhaust Fluid Control Module Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #1 :
Power Supply : Current Above Normal Current Above Normal
6309-6 3966-6
Aftertreatment #1 Diesel Exhaust Fluid Control Module Aftertreatment #1 Diesel Exhaust Fluid Control Module Power Supply #2 :
Power Supply #2 : Current Above Normal Current Above Normal

80-1275 Page 14 of 14 Rev: 03/2019