Auto Highbeam Module (AHBM)

B210D-BATTERY VOLTAGE LOW



- When Monitored:
With the ignition on.

- Set Condition:
Battery voltage less than 9 volts for more than 15 seconds.





CHECK FOR ANY POWERTRAIN CONTROL MODULE (PCM) or ENGINE CONTROL MODULE (ECM) DTCs

NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester, test the Battery before continuing.

NOTE: Inspect the vehicle for after market accessories that may exceed the Generator System output.

NOTE: Make sure the generator drive belt is in good operating condition.

NOTE: Inspect the fuses in the TIPM. If an open fuse is found, use the wire diagram/schematic as a guide, inspect the wiring and connectors for damage.

1. Turn the ignition on.
2. With the scan tool, read active PCM or ECM DTCs.

Does the scan tool display any active charging or battery system DTCs?

Yes

- Testing and Inspection for gas engine applications and perform the appropriate diagnostic procedure.

No

- Check the above conditions that can cause a low voltage condition. Repair as necessary.