Circuit/System Verification
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Clear the DTC.
- Operate the vehicle from 1st through 4th gear while observing the Clutch 1 Slip Speed parameter. Stop the vehicle and turn the ignition OFF for 30 seconds. Perform this action 2 times. The Clutch 1 Slip Speed parameter should display greater than 0 RPM when the Clutch 1 Status parameter displays Released.
- If any other transmission DTCs are set, diagnose those first.
- If the DTC P07A3 resets, go to Component Testing below.