Auto High Beam Module (AHBM)

B210E-Battery Voltage High

For a complete wiring diagram, refer to.

• When Monitored: With the ignition on.

• Set Condition: Battery voltage greater than 16 volts for more than 15 seconds.






Test Step 1 - CHECK FOR ANY POWERTRAIN CONTROL MODULE (PCM) DTCS

• Make sure the Battery is in good condition. Using the Battery Tester, test the Battery before continuing.

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

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

• 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.

• Turn the ignition on.

• With the scan tool, read active PCM or ECM DTCs.

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

Yes

• Perform the appropriate diagnostic procedure. Refer to => Engine DTC Based Diagnostics.

No

• Check the above conditions that can cause a high voltage condition. Repair as necessary.