Sunroof Module (SUNR)

B210B-SYSTEM VOLTAGE HIGH



- When Monitored:
At all times.

- Set Condition:
When the Sunroof Module detects input voltage above 16 volts for over 15 seconds, this code will set.





1. CHECK ENGINE DTCs

NOTE: Ensure the battery is fully charged and serviceable before proceeding.

1. With the scan tool, read ENGINE DTCs

Are there any ENGINE DTCs present?

No

- Go To 2

Yes

- Go to and perform the appropriate diagnostic procedure.
Testing and Inspection

2. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTCs
2. Start the engine and run for two minutes.
3. With the scan tool, read DTCs.

Does the scan tool display B210B-SYSTEM VOLTAGE HIGH?

Yes

- Replace the Power Sunroof Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

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 the BODY VERIFICATION TEST. Body Verification Test.