Auto Headlamp Leveling Module (AHLM)

B210E-BATTERY VOLTAGE HIGH





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

- When Monitored:
At all times.

- Set Condition:
The module senses voltage input above 15.9 volts for over 15 seconds.





1. CHECK POWERTRAIN CONTROL MODULE (PCM) or ENGINE CONTROL MODULE (ECM) DTCs
1. With the scan tool, read PCM or ECM DTCs.

Are there any Charging or Battery DTCs present?

Yes

- For gas engine applications, Testing and Inspection Perform the appropriate diagnostic procedure.
- For diesel engine applications, Testing and Inspection Perform the appropriate diagnostic procedure.

No

- Go To 2

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

Does the scan tool display active: B210E-BATTERY VOLTAGE HIGH?

Yes

- Replace the Auto Headlamp Leveling Module (AHLM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.