C0288

EBCM Detects Sensor Supply Voltage Fluctuating

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

Unstable operation of the brake system
ABS warning light comes on
Loss of braking efficiency

Causes

Generator malfunction
Weak or dead battery
Wiring harness damage
Contact corrosion
Grounding problems

How to Fix

Check generator and battery voltage
Inspect the wiring harness for damage
Check contacts and grounding
Clean or replace damaged wires
Reboot the EBCM system after repair

Related codes

C0278 C0280 P0562