DTC C1110-13

DTC C1110-13: Left Rear Electric Parking Brake Actuator Circuit Open

NOTE:

Initial Diagnosis:
The initial on-board diagnosis occurs right after the vehicle condition is turned to the ON mode, and the ABS/VSA indicator comes on, and continues until the indicator goes off.
Regular Diagnosis:
The regular on-board diagnosis begins right after the ABS/VSA indicator goes off, and it continues until the vehicle condition is turned to the OFF (LOCK) mode.
Review "How to troubleshoot the VSA system" before doing the DTC troubleshooting procedure.
Test-drive the vehicle according to local traffic conditions and regulations. Do not test-drive on a lift unless specified.
The possible causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

Confirmation Procedure	Basic Condition: 12 volt battery voltage 9 - 16 V Operating Condition: Turn the vehicle to the ON mode. Apply and release the parking brake several times.
Execution	Initial Diagnosis/Regular Diagnosis
Duration	About 1 second
DTC Type	1 drive cycle Brake system indicator (amber) on
Fail Safe Action	Stop electric parking brake function (some of function) (If both sides of electric parking brake actuator failures are detected)
Possible Cause	Open or Poor connection between the VSA modulator-control unit and the left electric parking brake actuator (EPB L ACT+, EPB L ACT- lines) Left electric parking brake actuator failure VSA modulator-control unit internal failure