C2101-BATTERY VOLTAGE HIGH
For a complete wiring diagram Refer to Section 8W
- When Monitored:
With the ignition on.
- Set Condition:
If the Anti-Lock Brakes Module detects system voltage is above 17 volts.
| Possible Causes |
| ECM/PCM DTCs PRESENT |
| VEHICLE BATTERY / CHARGING SYSTEM |
| ANTI-LOCK BRAKES MODULE |
Diagnostic Test
NOTE: This DTC must be active for the results of this test to be valid.
Are any charging system codes present?
Yes
- Repair the charging system DTC in the ECM/PCM.
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE).
No
- Go To 2
2.CHARGING SYSTEM FAILURE
Is the vehicle battery voltage over 16.8 volts?
No
- Go To 3
Yes
- Repair the charging system per service information.
- Perform ABS VERIFICATION TES. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
3.CHARGING POWER SUPPLY VOLTAGE
Is Power Supply Voltage over 16.8 volts?
No
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
Yes
- Replace the Anti-Lock Brakes Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).