OBD Guide

B0931

Compass Module Circuit

B0931 is an OBD-II diagnostic trouble code meaning: Compass Module Circuit. Common causes: broken or damaged wires in the harness, compass module malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the navigation system
  • No display of driving direction
  • Check Engine Light Illuminates

Causes

  • Broken or damaged wires in the harness
  • Compass module malfunction
  • Problems with module power or grounding
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check power supply and grounding of the module
  3. Test the compass module for serviceability
  4. Replace module if necessary

Related codes

Error B0931 by Vehicle Brand

FAQ

What does the B0931 code mean?

B0931 is an OBD-II diagnostic trouble code that indicates: Compass Module Circuit

What causes a B0931 error code?

The most common causes of B0931 include: Broken or damaged wires in the harness; Compass module malfunction; Problems with module power or grounding; Short circuit in the circuit.

How do I fix a B0931 diagnostic trouble code?

To fix B0931: Check the integrity of the wiring harness. Check power supply and grounding of the module. Test the compass module for serviceability. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0931?

Limited driving only, diagnose soon

How much does it cost to fix B0931?

The estimated repair cost for B0931 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat