Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
- Perform the Transmission Fluid Check .
- Turn ON the ignition, with the engine OFF.
- Record the DTC Freeze Frame and Failure Records.
- Clear the DTC.
- Operate the vehicle in drive with the calculated throttle position greater than 15 percent to obtain 72 km/h (45 mph) and achieve 5th gear. Perform this maneuver 2 times.
- If the DTC resets, go to Circuit/System Testing .
IMPORTANT:
Before clearing the DTC, use the scan tool in order to record the Freeze Frame and Failure Records.