Speedometer

Test 531 - 536:

Test 537 - 539:

SYMPTOM
* SPEEDOMETER

POSSIBLE CAUSES
- Speedometer/tach gauge pack defective
- DRB displays RAM fault
- DRB shows bus operational failure
- MIC cluster mismatch
- Vehicle speed sensor DTC'S are present
- BCM defective speedometer input/output
- Cluster circuit board defective