Diagnostic Aids

WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.

Ask the customer about overloading the vehicle, exceeding the trailer-towing limit, or towing in Overdrive.
Inspect for intermittent automatic transmission input shaft speed sensor circuit conditions.
Inspect for intermittent vehicle speed sensor circuit conditions.
Ensure that the current calibration is correct for the final drive ratio.
Refer to Range Reference