Diagnostic Aids

WARNING: This page is about a different car, the 2002 Buick Regal, 2002 Buick Century, 2001 Buick Regal, and 2001 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for the following items:

Inspect for intermittent conditions in the ISS circuit.
Inspect for intermittent conditions in the OSS circuit.
Ask the customer about possible overloading, exceeding the trailer towing limit, or towing in overdrive.
Ensure that the current calibration is correct for the final drive ratio.