C0110

Pump Motor Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

C0111 C0112 P0230