Test Description
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.
The numbers listed below refer to step numbers in the diagnostic procedure:
- 3
This step tests the indicated range signal to the manual valve range actually selected. - 6
This step tests for correct voltage from the PCM to the transaxle in-line 20-way connector. - 7
This step tests for a short together between signal circuit "A" and signal circuits "B" or "C".