Exterior Courtesy Lamp(s) Always On
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Exterior Courtesy Lamp(s) Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Body Control System Connector End Views in Body Control System. |
|||
| 1 | Did you perform the Lighting Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 | Ensure that all doors are closed and the interior courtesy lamps turn off. Do the exterior courtesy lamps remain illuminated? |
Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
| 3 | Test the door exterior courtesy lamp ground circuit for a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 6 | Go to Step 4 |
| 4 | Inspect for poor connections at the harness connector of the driver door module (DDM) or passenger door module (PDM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 6 | Go to Step 5 |
| 5 | Replace the DDM or PDM. Refer to Switch Replacement - Door Lock and Side Window - Driver
or Switch Replacement - Door Lock and Side Window - Passenger
in Doors. Did you complete the replacement? |
Go to Step 6 | - |
| 6 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |