9000 - 9999: 9042

9042-LEFT READING LIGHT SWITCH CIRCUIT STUCK-RCM

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
- Continuously
- Set Condition:
- When the Roof Control Module detects a stuck switch for more than 40 seconds.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
Clear all RCM DTC's
With the scan tool, read DTC's.
Does the scan tool read: 9042-LEFT READING LIGHT SWITCH CIRCUIT STUCK-RCM?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

2. CHECK THE OPERATION OF THE PUSH BUTTONS
Visually inspect the reading lamp button for sticking or blockage.
Switch the buttons on and off several times.
Are the reading lamp buttons stuck or blocked?

Yes

- Replace the applicable button/switch assembly.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Go To 3

3. ROOF CONTROL MODULE
Turn the ignition on.
With the scan tool erase and record RCM DTC's.
Is code 9042-LEFT READING LIGHT SWITCH CIRCUIT STUCK-RCM still current?

Yes

- Replace the Roof Control Module.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Test Complete.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests