Auto Headlamp Leveling Module (AHLM)

B210D-BATTERY VOLTAGE LOW






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

- When Monitored:
At all times.

- Set Condition:
The module senses voltage input below 9.0 volts for over 15 seconds.





1. CHECK ENGINE DTCs
1. With the scan tool, read PCM DTCs.

Are there any PCM Charging or Battery DTCs present?

Yes

- For gas 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 DTCs.

Does the scan tool display active: B210D-BATTERY VOLTAGE LOW?

Yes

- Replace the 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.