OBD Guide
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B1102

Airbag Battery Voltage Low

B1102 is an OBD-II diagnostic trouble code meaning: Airbag Battery Voltage Low. Common causes: low battery, faulty generator. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The SRS system goes into emergency mode
  • Possible problems with other vehicle systems

Causes

  • Low battery
  • Faulty generator
  • Problems with wiring or contacts
  • SRS control unit malfunction

How to Fix

  1. Check battery voltage
  2. Check generator operation
  3. Inspect the wiring and contacts in the SRS circuit
  4. Check SRS control unit
  5. Replace faulty components

Related codes

B1101B1103B1000

FAQ

What does the B1102 code mean?

B1102 is an OBD-II diagnostic trouble code that indicates: Airbag Battery Voltage Low

What causes a B1102 error code?

The most common causes of B1102 include: Low battery; Faulty generator; Problems with wiring or contacts; SRS control unit malfunction.

How do I fix a B1102 diagnostic trouble code?

To fix B1102: Check battery voltage. Check generator operation. Inspect the wiring and contacts in the SRS circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1102?

Limited driving only, diagnose soon

How much does it cost to fix B1102?

The estimated repair cost for B1102 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat