Conditions for Running 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.
- No AT VSS DTC P0502 or DTC P0503.
- The following sequence of events occurs:
- The vehicle speed is less than 8 km/h (5 mph).
- Then the vehicle speed is 8-40 km/h (5-25 mph) for 1.7 seconds.
- Then the vehicle speed is greater than 40 km/h (25 mph) for 7 seconds.