Technical Bulletin #583
Transmission: 4L60E, 4L80E
Subject: Possible no shifts or codes P0740, P0753, P0758 , P0785,
P1860
Application: General Motors
Issue Date: December, 2000
4L60E, 4L80E
Possible no shifts or codes P0740, P0753, P0758 , P0785, P1860
4L60E/4L80E transmissions may exhibit any or all of these trouble codes and driveability problems:
P0740—TCC Solenoid Electrical Fault Hot in Off, Run and Start
IP Fuse
D2 TRANS Block
P0753—1-2 Solenoid Electrical Fault Fuse 20
10A
E1
Auto Only
P0758—2-3 Solenoid Electrical Fault Auto Only
0.35 PNK 1020
0.35 PNK 1020
P0785—3-2 Solenoid Electrical Fault A2 C100 Power
P1860—TCC PWM Solenoid Electrical Fault 0.5 PNK 1020
Distribution
Cell 10
E C122
• 4L80E applications fail to shift, or will drop into Automatic
0.5 RED 839
Transmission
second gear intemittently. The customer may
0.5 RED 839
complain that the "vehicle is going to neutral at 0.5 RED 839 0.5 RED 839
A A A
higher road speeds". Torque
Converter
2-3
Solenoid
1 - 2 Shift
Solenoid
Clutch (2 - 3 SS) (1 - 2 SS)
Pulse Width Valve Valve
Modulation
• 4L60E fail to shift and may drop or stay in 3rd B
Soldenoid
(TCC PWM SOL) B B
Valve
gear when the shift lever is in the OD position.
0.5 TAN 418 0.5 YEL 1223 0.5 LT GRN 1222
• Any or all of these codes may set P0740, P0753, U B A
P0758, P0785 or P1860. If the problem is
intermittent, the system may not set a code. 0.5 BRN 418 0.5 YEL/BLK 1222
This problem is caused by a poor crimp on one of
the terminals for circuit 1020. 0.5 YEL/BLK 1223
7 4 6
C2
TCC PWM SOL. 2 - 3 SS 1 - 2 SS CONN ID Vehicle
Valve Valve Valve
Control Control Control C1 = BLU Control
C2 = RED Module
C3 = CLR (VCM)
C4 = BLK
“Portions of materials contained herin have
been reprinted with permission of General
Motors Corporation, Service Operations.”
Copyright © 2003 ATRA. All Rights Reserved. SG! Page 1 of 2
Technical Bulletin #583
SG ! Page 2 of 2 Copyright © 2003 ATRA. All Rights Reserved.
