OBD Guide

C0618

Park Brake Control Module Control Circuit High

C0618 is an OBD-II diagnostic trouble code meaning: Park Brake Control Module Control Circuit High. Common causes: short circuit in control circuit, parking brake module malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The parking brake indicator is on
  • Parking brake does not engage/disengage
  • Error on the dashboard

Causes

  • Short circuit in control circuit
  • Parking brake module malfunction
  • Wiring harness damage
  • Module power problems
  • Contact corrosion

How to Fix

  1. Check the voltage in the control circuit with a multimeter
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Test the parking brake module
  5. Replace faulty components

Related codes

Error C0618 by Vehicle Brand

FAQ

What does the C0618 code mean?

C0618 is an OBD-II diagnostic trouble code that indicates: Park Brake Control Module Control Circuit High

What causes a C0618 error code?

The most common causes of C0618 include: Short circuit in control circuit; Parking brake module malfunction; Wiring harness damage; Module power problems.

How do I fix a C0618 diagnostic trouble code?

To fix C0618: Check the voltage in the control circuit with a multimeter. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0618?

Limited driving only, diagnose soon

How much does it cost to fix C0618?

The estimated repair cost for C0618 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat