Fault-Tracing Information

Condition 

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 display screen
• Defective road traffic information (RTI) control module.

Fault symptom[s] 

• No picture on the display.