OBD Guide
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B141C

Second Row Passenger Inflatable Seatbelt Deployment Control Circuit

B141C is an OBD-II diagnostic trouble code meaning: Second Row Passenger Inflatable Seatbelt Deployment Control Circuit. Common causes: open or short circuit in pretensioner control circuit, wiring harness damage. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The security system malfunction indicator is on
  • Seat belt pretensioner does not engage in an accident
  • Error B141C is stored in the ECU memory

Causes

  • Open or short circuit in pretensioner control circuit
  • Wiring harness damage
  • Seat belt pretensioner malfunction
  • Problems with the security ECU

How to Fix

  1. Check the integrity of the pretensioner control circuit
  2. Inspect the wiring harness for damage
  3. Check resistance and voltage at pretensioner terminals
  4. If necessary, replace the pretensioner or wiring harness.
  5. Reset the error and check the system operation

Related codes

B141DB141EB141F

FAQ

What does the B141C code mean?

B141C is an OBD-II diagnostic trouble code that indicates: Second Row Passenger Inflatable Seatbelt Deployment Control Circuit

What causes a B141C error code?

The most common causes of B141C include: Open or short circuit in pretensioner control circuit; Wiring harness damage; Seat belt pretensioner malfunction; Problems with the security ECU.

How do I fix a B141C diagnostic trouble code?

To fix B141C: Check the integrity of the pretensioner control circuit. Inspect the wiring harness for damage. Check resistance and voltage at pretensioner terminals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B141C?

Do not drive — repair immediately

How much does it cost to fix B141C?

The estimated repair cost for B141C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat