Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The gear range is not PARK or NEUTRAL.
- The AT VSS RPM has dropped greater than 1,000 RPM for at least 4 seconds.