Diagnostic Trouble Code (DTC) Information

Condition:
The diagnostic trouble code (DTC) is stored within 2 seconds when there is a short-circuit to supply voltage in the signal and speed is > 2 km/h (1.2 mph).

Possible Source:
There is a short-circuit to supply voltage in the speed signal cable between the combined instrument panel and
- engine control module (ECM).
- cruise control.
- Audio.
- accessories installed.

Fault Symptom(s):

NOTE: The combined instrument panel displays no visible symptoms of this diagnostic trouble code (DTC).

- A diagnostic trouble code (DTC) is stored in the engine control module (ECM) and malfunction indicator lamp (MIL) lights.
- Cruise control stops working and a diagnostic trouble code (DTC) is stored.
- Audio, automatic volume control not working.

Start fault-tracing with "Signal Too High". Signal Too High