C0310

Motor A/B Circuit Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine Light Is On
Disabling the stabilization system or ABS
Unusual noises from the problem unit

Causes

Open or short circuit in wiring harness
Faulty power relay
Damaged connectors
Motor fault
Problems with the control unit

How to Fix

Check the integrity of the wiring harness to the electric motor
Check fuses and power relays
Diagnose the resistance of motor windings
Check the output signals of the control unit
If necessary, replace the faulty component

Related codes

C0110 C0120 C0300