Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Ask the customer about possible overloading, exceeding the trailer towing limit, or towing in overdrive.
- Ensure that the current TCM calibration is correct for the final drive ratio.