Message Systems

9020-INTERIOR LIGHT CONTROL CIRCUIT LOW

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
The Roof Control Module (RCM) detects that the interior lamp is defective.





Diagnostic Test

1. DTC IS ACTIVE
Turn the ignition off.
Replace Interior Lamp with a known good Lamp.
Turn the ignition on.
With the scan tool, read RCM DTC's.
Is this DTC active?

Yes

- Check related wiring and connectors for possible shorts, or damage. If wiring and connectors are ok, replace the Roof Control Module (RCM).
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Test complete.