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Audio/Video

B210E-BATTERY VOLTAGE HIGH

WHEN MONITORED
With the ignition on.

SET MONITORED
If the module detects that the battery voltage is greater 16.5 volts for 1 second.

POSSIBLE CAUSES
- Vehicle charging system
- Amplifier

Diagnostic Test

1. CHECK FOR AN INTERMITTENT CONDITION




Turn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.

Q: 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 BODY VERIFICATION TEST - VER 1. Body Verification Test

2. CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER




With the scan tool in Data Display, read Amplifier battery voltage.

Q: Is the battery voltage greater than 16.5 volts?

YES: Go To 3
NO: Replace the Amplifier. Perform OCS VERIFICATION TEST - VER 1.

3. CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)




With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.

Q: Does the scan tool display any Charging System related DTCs?

YES: Diagnose and repair the DTCs.
NO: Replace the Amplifier. Perform OCS VERIFICATION TEST - VER 1.