OBD Guide
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B2815

Steering Wheel Controls Illegal Resistance Value

B2815 is an OBD-II diagnostic trouble code meaning: Steering Wheel Controls Illegal Resistance Value. Common causes: open or short circuit in wiring harness, oxidation of connector contacts. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • The buttons on the steering wheel don't work
  • Spontaneous operation of buttons
  • The airbag malfunction indicator comes on

Causes

  • Open or short circuit in wiring harness
  • Oxidation of connector contacts
  • Faulty steering column switches
  • Problems with the airbag module

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean connector contacts
  3. Check the resistance of the steering column switches
  4. Check the functionality of the airbag module
  5. Replace faulty components

Related codes

B2816B2817B0020

FAQ

What does the B2815 code mean?

B2815 is an OBD-II diagnostic trouble code that indicates: Steering Wheel Controls Illegal Resistance Value

What causes a B2815 error code?

The most common causes of B2815 include: Open or short circuit in wiring harness; Oxidation of connector contacts; Faulty steering column switches; Problems with the airbag module.

How do I fix a B2815 diagnostic trouble code?

To fix B2815: Check the integrity of the wiring harness. Clean connector contacts. Check the resistance of the steering column switches. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2815?

Do not drive — repair immediately

How much does it cost to fix B2815?

The estimated repair cost for B2815 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat