Amplifier (AMP)

B210E-BATTERY VOLTAGE HIGH

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

- When Monitored:
With the ignition on.

- Set Condition:
If the module detects that the battery voltage is greater 16.5 volts for 1 second.





1. CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on, then off, and then on again.
2. With the scan tool, read Amplifier DTCs.

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

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER
1. With the scan tool in Data Display, read Amplifier battery voltage.

Is the battery voltage greater than 16.5 volts?

Yes

- Go To 3

No

- Replace the Amplifier.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)
1. With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.

Does the scan tool display any Charging System related DTCs?

Yes

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

No

- Replace the Amplifier.
- Perform the BODY VERIFICATION TEST. Body Verification Test.