Test Description
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2. This step checks for an internal EBCM malfunction.
- 4. This step checks for an open in LOW TRAC indicator control circuit.
Courtesy of GENERAL MOTORS CORP.