OBD Guide

C0288

EBCM Detects Sensor Supply Voltage Fluctuating

C0288 is an OBD-II diagnostic trouble code meaning: EBCM Detects Sensor Supply Voltage Fluctuating. Common causes: generator malfunction, weak or dead battery. Estimated repair cost: $22–111.

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

  1. Check generator and battery voltage
  2. Inspect the wiring harness for damage
  3. Check contacts and grounding
  4. Clean or replace damaged wires
  5. Reboot the EBCM system after repair

Related codes

Error C0288 by Vehicle Brand

FAQ

What does the C0288 code mean?

C0288 is an OBD-II diagnostic trouble code that indicates: EBCM Detects Sensor Supply Voltage Fluctuating

What causes a C0288 error code?

The most common causes of C0288 include: Generator malfunction; Weak or dead battery; Wiring harness damage; Contact corrosion.

How do I fix a C0288 diagnostic trouble code?

To fix C0288: Check generator and battery voltage. Inspect the wiring harness for damage. Check contacts and grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0288?

Limited driving only, diagnose soon

How much does it cost to fix C0288?

The estimated repair cost for C0288 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat