B223A

B223A-AUTO HIGH BEAM ECU INTERNAL

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

- When Monitored:
Continuously.

- Set Condition:
The Auto High Beam Module detects an internal fault.





REPLACE THE AUTO HIGH BEAM MODULE IF DTC IS ACTIVE
1. With the scan tool, read the active DTCs.

Does the scan tool display this DTC as active?

Yes

- Replace and program the Auto High Beam Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.