Amplifier (AMP)

B210D-BATTERY VOLTAGE LOW

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 less than 9.0 volts for one second.





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

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

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 RADIO
1. With the scan tool in Data Display, read the Radio battery voltage.

Is the battery voltage less than 9.0 volts?

Yes

- Go To 3

No

- Replace the Radio.
- 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 Perform the appropriate charging system or battery DTC diagnostic procedure.

No

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