OBD Guide

C0286

Medium Pressure Accumulator Switch Intermittent

C0286 is an OBD-II diagnostic trouble code meaning: Medium Pressure Accumulator Switch Intermittent. Common causes: pressure sensor malfunction, open or shorted wiring harness. Estimated repair cost: $44–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$44–111 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced braking performance
  • Unstable ABS operation

Causes

  • Pressure sensor malfunction
  • Open or shorted wiring harness
  • Poor contact connection
  • Control module malfunction

How to Fix

  1. Check sensor connections and wiring
  2. Diagnose pressure sensor
  3. Replace sensor if necessary
  4. Check the operation of the control module

Related codes

Error C0286 by Vehicle Brand

FAQ

What does the C0286 code mean?

C0286 is an OBD-II diagnostic trouble code that indicates: Medium Pressure Accumulator Switch Intermittent

What causes a C0286 error code?

The most common causes of C0286 include: Pressure sensor malfunction; Open or shorted wiring harness; Poor contact connection; Control module malfunction.

How do I fix a C0286 diagnostic trouble code?

To fix C0286: Check sensor connections and wiring. Diagnose pressure sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0286?

Limited driving only, diagnose soon

How much does it cost to fix C0286?

The estimated repair cost for C0286 is $44–111. Actual cost depends on your vehicle, location, and labor rates.

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