OBD Guide
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B2286

Runnable Signal Malfunction

B2286 is an OBD-II diagnostic trouble code meaning: Runnable Signal Malfunction. Common causes: open or short circuit in wiring harness, airbag control module malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not activate
  • Error persists after reset

Causes

  • Open or short circuit in wiring harness
  • Airbag control module malfunction
  • Damage to shock sensors
  • Contact corrosion

How to Fix

  1. Check the wiring harness for opens and shorts
  2. Test the airbag control module
  3. Inspect the shock sensors and their connections
  4. Clean contacts from corrosion
  5. If necessary, replace faulty components

Related codes

B2285B2287B2290

FAQ

What does the B2286 code mean?

B2286 is an OBD-II diagnostic trouble code that indicates: Runnable Signal Malfunction

What causes a B2286 error code?

The most common causes of B2286 include: Open or short circuit in wiring harness; Airbag control module malfunction; Damage to shock sensors; Contact corrosion.

How do I fix a B2286 diagnostic trouble code?

To fix B2286: Check the wiring harness for opens and shorts. Test the airbag control module. Inspect the shock sensors and their connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2286?

Do not drive — repair immediately

How much does it cost to fix B2286?

The estimated repair cost for B2286 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat