C0110
Pump Motor Circuit
C0110 is an OBD-II diagnostic trouble code meaning: Pump Motor Circuit. Common causes: broken or damaged pump wiring harness, pump motor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Braking problems (if ABS pump)
- The engine stalls or runs unstable (if the fuel pump)
- Reduced efficiency of the pump-related system
Causes
- Broken or damaged pump wiring harness
- Pump motor malfunction
- Problems with the pump circuit relay or fuse
- Short circuit in the circuit
- Control unit malfunction
How to Fix
- Check fuses and pump relays
- Diagnose the wiring harness for breaks or short circuits
- Check resistance and voltage at pump terminals
- Replace the pump if necessary
- Check the operation of the control unit
Related codes
Error C0110 by Vehicle Brand
FAQ
What does the C0110 code mean?
C0110 is an OBD-II diagnostic trouble code that indicates: Pump Motor Circuit
What causes a C0110 error code?
The most common causes of C0110 include: Broken or damaged pump wiring harness; Pump motor malfunction; Problems with the pump circuit relay or fuse; Short circuit in the circuit.
How do I fix a C0110 diagnostic trouble code?
To fix C0110: Check fuses and pump relays. Diagnose the wiring harness for breaks or short circuits. Check resistance and voltage at pump terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0110?
Limited driving only, diagnose soon
How much does it cost to fix C0110?
The estimated repair cost for C0110 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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