Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) CI-1B is stored in the combined instrument panel control module if the cable for the speed signal (1/4) is low at the same time as the speed exceeds 5 km/h for at least 10 seconds.

Substitute value
None.

Possible source
- Vehicle speed signal (1/4) cable is short-circuited to ground
- Control module, radio defective

Fault symptom[s]
- Speed related radio volume control does not function.