OBD Guide

C0712

Level Control Compressor Relay Circuit

C0712 is an OBD-II diagnostic trouble code meaning: Level Control Compressor Relay Circuit. Common causes: open or short circuit in the compressor relay circuit, faulty compressor relay. Estimated repair cost: $111–333.

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

Symptoms

  • Suspension leveling system does not work
  • Suspension fault indicator is on
  • The vehicle does not maintain the specified body height

Causes

  • Open or short circuit in the compressor relay circuit
  • Faulty compressor relay
  • Damaged level control compressor
  • Problems with the wiring harness or connectors

How to Fix

  1. Check the continuity of the compressor relay circuit
  2. Check the operation of the compressor relay
  3. Check the condition of the level control compressor
  4. Check wiring harness and connectors for damage
  5. Replace faulty components

Related codes

Error C0712 by Vehicle Brand

FAQ

What does the C0712 code mean?

C0712 is an OBD-II diagnostic trouble code that indicates: Level Control Compressor Relay Circuit

What causes a C0712 error code?

The most common causes of C0712 include: Open or short circuit in the compressor relay circuit; Faulty compressor relay; Damaged level control compressor; Problems with the wiring harness or connectors.

How do I fix a C0712 diagnostic trouble code?

To fix C0712: Check the continuity of the compressor relay circuit. Check the operation of the compressor relay. Check the condition of the level control compressor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0712?

Limited driving only, diagnose soon

How much does it cost to fix C0712?

The estimated repair cost for C0712 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat