OBD Guide
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C12FE

ABS Pump Pressure Loss

C12FE is an OBD-II diagnostic trouble code meaning: ABS Pump Pressure Loss. Common causes: brake fluid leak, abs pump malfunction. Estimated repair cost: $111–333.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Reduced braking performance
  • Unusual noises when operating the brakes
  • ABS activation during normal braking

Causes

  • Brake fluid leak
  • ABS pump malfunction
  • Problems with the pump wiring harness
  • ABS control module malfunction
  • Contaminated or damaged hydraulic circuit

How to Fix

  1. Check the brake fluid level
  2. Inspect the hydraulic circuit for leaks
  3. Check the electrical connections of the ABS pump
  4. Test the ABS pump on a stand
  5. Replace faulty components (pump, control module, etc.)
  6. Diagnose the ABS system after repair

Related codes

C1201C1202C1203

FAQ

What does the C12FE code mean?

C12FE is an OBD-II diagnostic trouble code that indicates: ABS Pump Pressure Loss

What causes a C12FE error code?

The most common causes of C12FE include: Brake fluid leak; ABS pump malfunction; Problems with the pump wiring harness; ABS control module malfunction.

How do I fix a C12FE diagnostic trouble code?

To fix C12FE: Check the brake fluid level. Inspect the hydraulic circuit for leaks. Check the electrical connections of the ABS pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C12FE?

Limited driving only, diagnose soon

How much does it cost to fix C12FE?

The estimated repair cost for C12FE is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat