OBD Guide
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B1C49

1st Row Passenger Retractor Tensioner Circuit Open

B1C49 is an OBD-II diagnostic trouble code meaning: 1st Row Passenger Retractor Tensioner Circuit Open. Common causes: broken or damaged pretensioner wiring harness, malfunction of the pretensioner itself. 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
  • SRS may be disabled
  • Pretensioner does not work in an accident

Causes

  • Broken or damaged pretensioner wiring harness
  • Malfunction of the pretensioner itself
  • Problems with the SRS control module
  • Corrosion or oxidation of contacts

How to Fix

  1. Perform a visual inspection of the pretensioner wiring harness.
  2. Check continuity with a multimeter
  3. Replace damaged wires or connectors
  4. Test the operation of the pretensioner
  5. Reset error and check SRS system

Related codes

B1C48B1C50B1C51

FAQ

What does the B1C49 code mean?

B1C49 is an OBD-II diagnostic trouble code that indicates: 1st Row Passenger Retractor Tensioner Circuit Open

What causes a B1C49 error code?

The most common causes of B1C49 include: Broken or damaged pretensioner wiring harness; Malfunction of the pretensioner itself; Problems with the SRS control module; Corrosion or oxidation of contacts.

How do I fix a B1C49 diagnostic trouble code?

To fix B1C49: Perform a visual inspection of the pretensioner wiring harness.. Check continuity with a multimeter. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C49?

Limited driving only, diagnose soon

How much does it cost to fix B1C49?

The estimated repair cost for B1C49 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat