B007C medium Severity

B007C: Second Row Right Seatbelt Pretensioner "B" Deployment Control (Subfault)

May illuminate airbag or safety restraint warning; does not directly affect driving performance but indicates compromised occupant safety restraint system

Overview

OBD‑II Body code B007C indicates a fault in the second row right seatbelt pretensioner 'B' deployment control circuit or component, potentially caused by wiring issues, poor connections, or a faulty pretensioner device.

Common Symptoms

  • Airbag or safety restraint system warning light illuminated

Most Common Causes

Faulty second row right seatbelt pretensioner unit medium

Component may have failed or been previously deployed

Open or short in pretensioner harness or wiring medium

Common electrical cause leading to improper signal to airbag control module

Poor electrical connection at pretensioner connector medium

Loose or corroded connector can trigger code

Diagnostic Steps

  1. Use a proper scan tool to confirm stored B007C code and freeze frame data
    Expected: B007C present with related body/airbag system codes
    Interpretation: Confirms specific seatbelt pretensioner control fault
  2. Visually inspect wiring and connector at second row right seatbelt pretensioner
    Expected: No damage, corrosion, or looseness
    Interpretation: Damaged wiring/loose connector could be cause
  3. Check pretensioner circuit resistance per manufacturer specs
    Expected: Resistance within specified range
    Interpretation: Out-of-range indicates open/short or failed pretensioner
  4. If wiring and connectors are good, replace pretensioner unit and clear codes
    Expected: Code does not return
    Interpretation: Fault resolved

Repair Solutions

Repair or replace damaged wiring/connectors in pretensioner circuit medium
Estimated Cost: $100 - $400

Cost depends on extent of wiring repair and labor

Replace second row right seatbelt pretensioner assembly hard
Estimated Cost: $300 - $1200

Pretensioner is a safety‑critical part; replacement cost varies by model

Common Misdiagnoses

Avoid these common diagnostic mistakes:

  • Generic airbag warning misattributed to other body electrical issues

Frequently Asked Questions

What does a B007C diagnostic trouble code signify?

The B007C code stands for Second Row Right Seatbelt Pretensioner "B" Deployment Control (Subfault). This generally indicates an issue with the Sensors system.

How serious is the B007C code?

The B007C code is considered medium severity. May illuminate airbag or safety restraint warning; does not directly affect driving performance but indicates compromised occupant safety restraint system

What are the symptoms of B007C?

You may experience the following: Airbag or safety restraint system warning light illuminated.

Common triggers for the B007C error

Potential culprits include: Faulty second row right seatbelt pretensioner unit, Open or short in pretensioner harness or wiring, Poor electrical connection at pretensioner connector. A proper diagnosis is recommended.

How much does it cost to fix B007C?

The cost varies significantly based on the root cause. For example, replacing a Repair or replace damaged wiring/connectors in pretensioner circuit typically costs between $100 and $400, while fixing a Replace second row right seatbelt pretensioner assembly can range from $300 to $1200.

Does B007C affect Ford, Toyota, or Honda?

B007C is not specific to any one brand. It can appear on Ford, Dodge, Toyota, Honda, Jeep, and other vehicles.

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