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) are stored in the road traffic information (RTI) control module.

Possible source
- Open-circuit, short-circuit to ground or short-circuit to supply voltage in the cable
- Defective TMC/FM multiplex receiver.

Fault symptom[s]
- Traffic information is not displayed or updated.