Fault-tracing Information

Fault-tracing information

Condition
No RTI diagnostic trouble codes (DTCs) are stored in the central electronic module.
No diagnostic trouble codes (DTCs) for the rheostat are stored in the Central electronic module.
No diagnostic trouble codes (DTCs) are stored in the road traffic information (RTI) control module.

Possible source
- Faulty rheostat value from the central electronic module
- Defective road traffic information (RTI) control module.

Fault symptom[s]
- The RTI rheostat function is not working.