C2101

C2101 - BATTER VOLTAGE HIGH






For a complete wiring diagram Refer to the Wiring Information.

- When Monitored:
Vehicle speeds above 6 km/h (3.4 mph).

- Set Condition:
Voltage is greater than 16.8 volts for longer than 500 ms at vehicle speeds above 6 km/h






1.

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

1. Turn the ignition on.
2. With the scan tool, read and record DTCs from the PCM.
3. With the scan tool, read and record Freeze Frame information.
4. With the scan tool, erase DTCs.
5. Start the engine.
6. Road test the vehicle over 6 km/h (3.4 mph).

NOTE: Vehicle must be driven above 6 km/h (3.4 mph) for set conditions to be meet.

7. With the scan tool, read and record DTCs.
8. With the scan tool read DTCs from the PCM.

Are any charging system codes present?

Yes
- Repair the charging system DTC in the PCM.
- Perform the POWERTRAIN VERIFICATION TEST.

No
- Go To 2

2. CHARGING SYSTEM FAILURE

1. Start the engine.
2. Connect voltmeter to vehicle battery.

Is the vehicle battery voltage over 16.8 volts?

No
- Go To 3

Yes
- Repair the charging system per service information.
- Perform ABS VERIFICATION TEST - VER 1.

3. CHARGING POWER SUPPLY VOLTAGE

1.
2. With a scan tool read Power Supply Voltage.

Is Power Supply Voltage over 16.8 volts?

No
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
- Perform ABS VERIFICATION TEST - VER 1.

Yes
- Replace the Anti-Lock Brakes Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1.