Steering Wheel Switch

Fault Code 0455

Kessy control unit

Diagnostic conditions
- Ignition on
- Internal functional check on electronic unit in steering column switch

Possible cause of fault
- No communication with electronic ignition switch

Affected pins
Steering column switch (with electronic unit), plug A:
- Pin 8 CAN comfort (low)
- Pin 9 CAN comfort (high)

Diagnosis/troubleshooting

Work Instruction 1: