C2100

C2100-BATTERY VOLTAGE LOW



- When Monitored:
With the ignition on.

- Set Condition:
If the Anti-Lock Brake System (ABS) Module detects system voltage is below 9.5 Volts.





1. DTCS IN THE PCM

NOTE: This DTC must be active for the results of this test to be valid.

1. Turn the ignition on.
2. Using the scan tool, read and record DTCs from the PCM.
3. Using the scan tool, read and record Environmental Data to help identify the conditions in which the DTC was set.
4. Using the scan tool, erase DTCs.
5. Start the engine.
6. Using the scan tool, read and record DTCs.
7. With the scan tool read DTCs from the ECM/PCM.

Are any charging system codes present?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

- Go To 2

2. CHARGING SYSTEM FAILURE
1. Start the engine.
2. Connect Voltmeter to vehicle battery.

Is the vehicle battery voltage under 8.02 volts?

Yes

- Repair the charging system.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.

No

- Perform the ABS-INTERMITTENT CONDITION TEST. ABS Intermittent Condition Test.