Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
The system will log the DTC if the rear propshaft input indicates a speed of less than 16 RPM for 30 seconds while all of the following are true:
- The transmission is NOT in Park/Neutral.
- The engine is running.
- The front axle is engaged.
- The vehicle speed On Class 2 Data bus exceeds 10 mph.