Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC C1110-79, C1111-79
DTC C1110-79 : Left Side Electric Parking Brake Doesn't Work Correctly
DTC C1111-79 : Right Side Electric Parking Brake Doesn't Work Correctly
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| C1110-79 Left Side Electric Parking Brake Doesn't Work Correctly | ||
| C1111-79 Right Side Electric Parking Brake Doesn't Work Correctly |
DTCs (VSA)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
-4. Apply and release the parking brake several times.
-5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame C1110-79 Left Side Electric Parking Brake Doesn't Work Correctly C1111-79 Right Side Electric Parking Brake Doesn't Work Correctly Is DTC C1110-79 or C1111-79 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting . If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
- Rear brake component parts check (brake caliper, brake pad, brake disc, and electric parking brake actuator)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Check that the appropriate rear brake component parts are properly mounted.
Is the rear brake component parts installation OK?
YES
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .
NO
Reinstall the rear brake component parts, and recheck its mounting position, then go to step 1.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.