OBD Guide
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B1058

Air Bag Sensor Unit

B1058 is an OBD-II diagnostic trouble code meaning: Air Bag Sensor Unit. Common causes: damage to the wiring harness to the sensor unit, corrosion of contacts in connectors. Estimated repair cost: $167–444.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–444 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system is not activated during testing
  • Error persists after reset

Causes

  • Damage to the wiring harness to the sensor unit
  • Corrosion of contacts in connectors
  • Internal malfunction of the sensor unit
  • Problems with power supply or mass of the unit

How to Fix

  1. Check the condition of the wiring harness and connectors
  2. Clean contacts from corrosion
  3. Check the power and ground of the unit
  4. Scan the system for additional errors
  5. If necessary, replace the sensor unit

Related codes

B1000B1010B1020

FAQ

What does the B1058 code mean?

B1058 is an OBD-II diagnostic trouble code that indicates: Air Bag Sensor Unit

What causes a B1058 error code?

The most common causes of B1058 include: Damage to the wiring harness to the sensor unit; Corrosion of contacts in connectors; Internal malfunction of the sensor unit; Problems with power supply or mass of the unit.

How do I fix a B1058 diagnostic trouble code?

To fix B1058: Check the condition of the wiring harness and connectors. Clean contacts from corrosion. Check the power and ground of the unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1058?

Do not drive — repair immediately

How much does it cost to fix B1058?

The estimated repair cost for B1058 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat