Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The system will log the DTC if the front propshaft input indicates a speed of less than 16 RPM for 30 seconds while all of the following are true:
- Transmission is NOT in Park/Neutral
- Engine is running
- Front axle is engaged
- Vehicle Speed On Class 2 Data bus exceeds 10 mph