OBD Guide
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B1C3E

1st Driver Seat Belt Buckle Tensioner Circuit High

B1C3E is an OBD-II diagnostic trouble code meaning: 1st Driver Seat Belt Buckle Tensioner Circuit High. Common causes: broken or damaged wiring harness, contact corrosion. 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 wiring harness
  • Contact corrosion
  • Pretensioner malfunction
  • Problems with the SRS control unit

How to Fix

  1. Check the wiring harness for breaks and damage
  2. Check contacts for corrosion
  3. Check pretensioner chain resistance
  4. Replace pretensioner if necessary
  5. Reset the error and check the system

Related codes

B1C3DB1C3FB1C40

FAQ

What does the B1C3E code mean?

B1C3E is an OBD-II diagnostic trouble code that indicates: 1st Driver Seat Belt Buckle Tensioner Circuit High

What causes a B1C3E error code?

The most common causes of B1C3E include: Broken or damaged wiring harness; Contact corrosion; Pretensioner malfunction; Problems with the SRS control unit.

How do I fix a B1C3E diagnostic trouble code?

To fix B1C3E: Check the wiring harness for breaks and damage. Check contacts for corrosion. Check pretensioner chain resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C3E?

Limited driving only, diagnose soon

How much does it cost to fix B1C3E?

The estimated repair cost for B1C3E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat