u1141 lost esp torque request message
OBD2 Code: U1141
Description: Lost ESP Torque Request Message
Definition: This code indicates that the vehicle’s Electronic Stability Program (ESP) has lost communication with the module responsible for sending torque request messages. This can affect the vehicle’s stability control functions.
Common Causes
Common causes:
– Faulty Electronic Stability Program (ESP) module
– Wiring issues between the ESP module and other control modules
– Communication bus issues between the ESP module and other modules
Common Misdiagnosis
Common Diagnostic Steps
- Check for any other stored trouble codes that might be related to the Electronic Stability Program (ESP) system.
- Inspect the wiring and connectors between the ESP module and the Engine Control Module (ECM) for damage or corrosion.
- Verify that the ESP module is receiving power and ground signals correctly.
- Use a scan tool to monitor live data from the ESP system to check for irregularities in sensor readings or communication issues.
- Test the functionality of related sensors, such as wheel speed sensors, yaw rate sensor, and steering angle sensor.
- If equipped, update or reprogram the ECM/ESP software to ensure it has the latest version available from the manufacturer.
- If all else fails, consider replacing faulty components like the ESP module or ECM after confirming they are defective through proper testing procedures.
