B1849

B1849-SUNROOF MOTOR CONTROL CIRCUIT/PERFORMANCE (STALLED)

For a complete wiring diagram, refer to the Wiring Information. Electrical Diagrams

- When Monitored:
Whenever the Sunroof module is awake.

- Set Condition:
Whenever the module has determined that there is a motor or electronic malfunction or heavy load on the motor, this code will set.





TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Operate the Sunroof Switch in all positions several times.
4. Wait 30 seconds.
5. With the scan tool, read the DTCs.

Does the scan tool display this DTC as active?

Yes

- NOTE: To further diagnose the sunroof, it is necessary to lower or remove the headliner.

- Remove the Sunroof Motor/Module.
- Carefully move the Sunroof by hand and look for anything that would cause a binding condition. If anything is found, repair or replace as necessary.
- If no binding problem was discovered, replace the Sunroof Motor/Module.
- Perform the Drive Motor Teach procedure. Programming and Relearning.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- The conditions that caused this code to set are not present at this time. Operate the Sunroof several times and recheck for DTCs. If the code reappears now or later, verify that there is no mechanical interference in the Sunroof track and related assemblies. If no obvious mechanical problems are present, replace the Sunroof Motor/Module.
- Perform the Drive Motor Teach procedure. Programming and Relearning.
- Perform the BODY VERIFICATION TEST. Body Verification Test.