U2143 00

U2143 00

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:
- Steering wheel sensor missing on bus.

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

Diagnosis regards:
- Electrical fault on bus leads or in the component.

Functions in the diagnostic tool related to the fault:

Test value:
- Bus Off Counter, P-Bus
(See also description of readings/activations in diagnostic tool)