OBD Guide
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B1059

Air Bag Sensor Unit

B1059 is an OBD-II diagnostic trouble code meaning: Air Bag Sensor Unit. Common causes: malfunction of the airbag sensor unit, wiring harness damage. Estimated repair cost: $167–444.

Severity
🚨 Critical
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • The airbag warning light (SRS) is on.
  • Lack of response from airbags in an accident
  • The error persists after being reset by the scanner

Causes

  • Malfunction of the airbag sensor unit
  • Wiring harness damage
  • Contact corrosion
  • Unit power problems

How to Fix

  1. Diagnostics of the passive safety system using an OBD-II scanner
  2. Checking the condition of the wiring harness and contacts
  3. Checking the power and ground of the sensor unit
  4. Replacing the sensor unit if necessary

Related codes

B1060B1061B1062

FAQ

What does the B1059 code mean?

B1059 is an OBD-II diagnostic trouble code that indicates: Air Bag Sensor Unit

What causes a B1059 error code?

The most common causes of B1059 include: Malfunction of the airbag sensor unit; Wiring harness damage; Contact corrosion; Unit power problems.

How do I fix a B1059 diagnostic trouble code?

To fix B1059: Diagnostics of the passive safety system using an OBD-II scanner. Checking the condition of the wiring harness and contacts. Checking the power and ground of the sensor unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1059?

Yes, but get it checked soon

How much does it cost to fix B1059?

The estimated repair cost for B1059 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat