For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Data Communication Schematics Connector End View Reference: Master Electrical Component List
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Does only the roof present such symptom? | Go to Power Sunroof Inoperative | Go to Step 3
3 |

1. Use the scan tool to observe the driver and passenger door ajar switches.
2. Open and close each door.

Does the scan tool display change from Door Ajar to Door Closed?

Go to Step 4

Go to Symptoms - Doors

4 | Replace the instrument panel module (IPM). Refer to Control Module References for replacement, setup, and programming. Is the replacement complete? | Go to Step 5 | --
5 | Operate the system to verify the repair. Is the failure removed? | System OK | Go to Step 1