Vehicle Speed Messages Missing

Test 1 - 3:

SYMPTOM
VEHICLE SPEED MESSAGE MISSING

TEST NOTE
This symptom is diagnosed using the test PRNDL MESSAGE MISSING.

WHEN MONITORED
Ignition ON.

SET CONDITION
Fault is set when there is a loss of the vehicle speed message if not received for 5 seconds.

POSSIBLE CAUSES
- PCM DTC's
- Instrument cluster DTC's
- BUS communication
- SKREEM fault