C0111
Motor Relay On Failure
C0111 is an OBD-II diagnostic trouble code meaning: Motor Relay On Failure. Common causes: faulty motor relay, open or short circuit in wiring harness. Estimated repair cost: $33–111.
Symptoms
- Check engine light is on
- Problems with the passive safety system
- Inability to activate seat belt pretensioners
Causes
- Faulty motor relay
- Open or short circuit in wiring harness
- Problems with the control unit
- Contact corrosion
How to Fix
- Check the condition of the motor relay and replace if necessary
- Check the integrity of the wiring harness and contacts
- Diagnose the control unit for faults
- Clean contacts from corrosion
Related codes
Error C0111 by Vehicle Brand
FAQ
What does the C0111 code mean?
C0111 is an OBD-II diagnostic trouble code that indicates: Motor Relay On Failure
What causes a C0111 error code?
The most common causes of C0111 include: Faulty motor relay; Open or short circuit in wiring harness; Problems with the control unit; Contact corrosion.
How do I fix a C0111 diagnostic trouble code?
To fix C0111: Check the condition of the motor relay and replace if necessary. Check the integrity of the wiring harness and contacts. Diagnose the control unit for faults. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0111?
Do not drive — repair immediately
How much does it cost to fix C0111?
The estimated repair cost for C0111 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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