DTC 1-2-2

Diagnostic Trouble Code (DTC) Information







Special Tools: 998 8686

Condition
This diagnostic trouble code (DTC) is stored when the ignition is switched on and remains until vehicle speed has exceeded 35 km/h for at least 15 seconds. The control module is not receiving a vehicle speed signal (VSS) if the diagnostic trouble code (DTC) is still stored after a test drive at above 35 km/h.

Possible source
A missing vehicle speed signal can be caused by:
- incorrect installation or poor suppression of accessories connected to the same vehicle speed signal or same ground terminal as the speedometer.
- short-circuit to ground or voltage in the signal cable from the combined instrument panel
- open-circuit in the signal cable from the combined instrument panel
- defective speedometer
- contact resistance in the terminals.

Fault symptom[s]
- The cruise control does not engage.
- The speedometer display is incorrect.