OBD Guide

C1525

Brake System Initialization Incomplete

C1525 is an OBD-II diagnostic trouble code meaning: Brake System Initialization Incomplete. Common causes: initialization procedure after service failed, abs wiring harness problems. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • ABS light is on
  • The ABS system may not work correctly
  • Possible false alarms of the system

Causes

  • Initialization procedure after service failed
  • ABS wiring harness problems
  • ABS sensor malfunction
  • Problems with the ABS ECU

How to Fix

  1. Perform the ABS initialization procedure using diagnostic equipment
  2. Check the condition of the ABS wiring harness
  3. Check the condition of the ABS sensors
  4. If necessary, replace faulty components

Related codes

FAQ

What does the C1525 code mean?

C1525 is an OBD-II diagnostic trouble code that indicates: Brake System Initialization Incomplete

What causes a C1525 error code?

The most common causes of C1525 include: Initialization procedure after service failed; ABS wiring harness problems; ABS sensor malfunction; Problems with the ABS ECU.

How do I fix a C1525 diagnostic trouble code?

To fix C1525: Perform the ABS initialization procedure using diagnostic equipment. Check the condition of the ABS wiring harness. Check the condition of the ABS sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1525?

Limited driving only, diagnose soon

How much does it cost to fix C1525?

The estimated repair cost for C1525 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat