FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

ABS






C2101-BATTERY VOLTAGE HIGH





For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams


- When Monitored:

With the ignition on.

- Set Condition:

If the Anti-Lock Brakes Module detects system voltage is above 16 volts.








Diagnostic Test

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

Turn the ignition on.

With the scan tool, read and record DTCs from the ECM/PCM.

With the scan tool, read and record Freeze Frame information.

With the scan tool, erase DTC's.

Start the engine.

With the scan tool, read and record DTCs.

With the scan tool read DTCs from the PCM.

Are any charging system codes present?

Yes

- Repair the charging system DTC in the ECM/PCM.
- Perform the POWERTRAIN VERIFICATION TEST. Verification Tests

No

- Go To 2
-



2. CHARGING SYSTEM FAILURE

Start the engine.

Connect voltmeter to vehicle battery.

Is the vehicle battery voltage over 15.8 volts?

No

- Go To 3

Yes

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



3. CHARGING POWER SUPPLY VOLTAGE



With a scan tool read Power Supply Voltage.

Is Power Supply Voltage over 15.8 volts?

No

- Refer to the Intermittent Condition Diagnostic Procedure. ABS Intermittent Condition Test
- Perform ABS VERIFICATION TEST. ABS Verification Test

Yes

- Replace the Anti-Lock Brakes Module.
- Perform ABS VERIFICATION TEST. ABS Verification Test