OBD Guide

B1C2A

Left Side Seat Thorax Squib 1 Shorted Together

B1C2A is an OBD-II diagnostic trouble code meaning: Left Side Seat Thorax Squib 1 Shorted Together. Common causes: damage to the wiring harness (harness), short circuit in squib (squib). 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
  • Restraint system disabled
  • Error B1C2A in the diagnostic scanner memory

Causes

  • Damage to the wiring harness (harness)
  • Short circuit in squib (squib)
  • Airbag module malfunction
  • Corrosion or oxidation of contacts

How to Fix

  1. Check wiring harness for damage
  2. Check squib resistance
  3. Replace damaged components
  4. Reset the error and check the system

Related codes

FAQ

What does the B1C2A code mean?

B1C2A is an OBD-II diagnostic trouble code that indicates: Left Side Seat Thorax Squib 1 Shorted Together

What causes a B1C2A error code?

The most common causes of B1C2A include: Damage to the wiring harness (harness); Short circuit in squib (squib); Airbag module malfunction; Corrosion or oxidation of contacts.

How do I fix a B1C2A diagnostic trouble code?

To fix B1C2A: Check wiring harness for damage. Check squib resistance. Replace damaged components. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C2A?

Limited driving only, diagnose soon

How much does it cost to fix B1C2A?

The estimated repair cost for B1C2A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat