C0278

Open or Short Circuit in ABS Solenoid Relay Circuit

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

ABS light is on
Disabling the ABS system
Unstable operation of the brake system

Causes

Broken wires in the ABS solenoid relay circuit
Short circuit in the circuit
Faulty ABS solenoid relay
Wiring Harness Problems

How to Fix

Check the integrity of the wires in the ABS solenoid relay circuit
Check the ABS solenoid relay for malfunctions.
Replace damaged wires or relays
Check wiring harness for damage

Related codes

C0277 C0279 C0280