Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the appropriate actuator door and actuator for the following conditions:
- A misaligned actuator. Refer to the following:
- Broken or binding linkages or actuator door
- Obstruction that prevents the actuator door from operating within its full range of motion
- Missing seals to the actuator door
- Misaligned seals to the actuator door
- Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
- Actuator inoperative DTCs typically occur with Actuator performance DTCs. Diagnose and repair an actuator inoperative DTC before diagnosing an actuator performance DTC. The actuator performance DTCs are as follows:
- B0424
- B3748
- B3749