U1141
U1141-LOST ESP TORQUE REQUEST MESSAGE
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
Continuously while the system is active.
- Set Condition:
The Powertrain Control Module (PCM) has not received a torque request over the bus circuit from the Electronic Stability Program (ESP)/ABS Module.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
1. ACTIVE DTC
NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
NOTE: Diagnose all CAN communication DTCs before continuing.
1. Turn the ignition on.
2. With a scan tool, view DTCs.
Is the status Active for this DTC?
Yes
- Go To 2
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs
2. ABS/ESP COMMUNICATION RELATED DTCS IN OTHER MODULES
1. With a scan tool check for ABS/ESP communication related DTCs in other modules on the CAN Bus.
Are there any ESP communication related DTCs in other modules on the CAN Bus at this time?
Yes
- Replace and program the ABS Module.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Replace and program the Powertrain Control Module (PCM). PCM/ECM Reprogramming
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test.