B13B3
Second Row Left Inflatable Seatbelt Deployment Control Circuit
B13B3 is an OBD-II diagnostic trouble code meaning: Second Row Left Inflatable Seatbelt Deployment Control Circuit. Common causes: pretensioner control circuit open, short circuit in wiring harness. Estimated repair cost: $56–278.
Symptoms
- SRS/airbag light is on
- Error B13B3 in fault memory
- On some models - an audible warning signal
Causes
- Pretensioner control circuit open
- Short circuit in wiring harness
- Pretensioner squib malfunction
- Contact corrosion
- Problems with the SDM module
- Mechanical damage to the wiring harness
How to Fix
- Diagnostics of the SRS system with a professional scanner
- Visual inspection of the wiring harness (especially in the area of doors and seats)
- Checking the resistance of the squib (only with the battery disconnected!)
- Checking continuity of chain from SDM to pretensioner
- Replacement of damaged elements (harness, squib)
- Resetting SRS system errors after repair
Related codes
FAQ
What does the B13B3 code mean?
B13B3 is an OBD-II diagnostic trouble code that indicates: Second Row Left Inflatable Seatbelt Deployment Control Circuit
What causes a B13B3 error code?
The most common causes of B13B3 include: Pretensioner control circuit open; Short circuit in wiring harness; Pretensioner squib malfunction; Contact corrosion.
How do I fix a B13B3 diagnostic trouble code?
To fix B13B3: Diagnostics of the SRS system with a professional scanner. Visual inspection of the wiring harness (especially in the area of doors and seats). Checking the resistance of the squib (only with the battery disconnected!). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B13B3?
Limited driving only, diagnose soon
How much does it cost to fix B13B3?
The estimated repair cost for B13B3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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