Conditions for Running the DTC
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- No AT VSS DTC P0502 or P0503.
- No TFP manual valve position switch DTC P1810.
- The system voltage is 8-18 volts for greater than 0.5 second.
- TFP manual valve position switch is not indicating PARK or NEUTRAL.
- The vehicle speed is greater than 26 km/h (16 mph).
- The engine is running for greater than 7 seconds.