U2143 7F

U2143 7F

Steering Angle Sensor Missing on Bus







Fault symptom
- ESP warning lamp on.
- Messages shown in SID.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.

Fault criteria:
- Incorrect information from CIM.

System reaction to a fault:
- No ESP function

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help
- DTC is not generated if CAN is in "bus off" mode or the control module receives insufficient power supply.