OBD Guide
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B2015

Open in Right Side Upper MOS

B2015 is an OBD-II diagnostic trouble code meaning: Open in Right Side Upper MOS. Common causes: broken or damaged wiring harness, squib 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 B2015 in diagnostic memory

Causes

  • Broken or damaged wiring harness
  • Squib malfunction
  • Problem with airbag module (MOS)
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness in the upper right MOS circuit
  2. Check squib resistance and contacts
  3. Test the airbag module
  4. Replace damaged components if necessary

Related codes

B2016B2017B2020

FAQ

What does the B2015 code mean?

B2015 is an OBD-II diagnostic trouble code that indicates: Open in Right Side Upper MOS

What causes a B2015 error code?

The most common causes of B2015 include: Broken or damaged wiring harness; Squib malfunction; Problem with airbag module (MOS); Corrosion or oxidation of contacts.

How do I fix a B2015 diagnostic trouble code?

To fix B2015: Check the integrity of the wiring harness in the upper right MOS circuit. Check squib resistance and contacts. Test the airbag module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2015?

Do not drive — repair immediately

How much does it cost to fix B2015?

The estimated repair cost for B2015 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat