Left Front Seat Belt Pretensioner Fault
There is a problem with the left front seat belt pretensioner.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The left front seat belt pretensioner is not working properly. This component tightens the seat belt during a crash to keep the occupant securely in their seat.
What the computer is actually seeing
The airbag control module detects a fault in the circuit or operation of the left front seat belt pretensioner. This may include high resistance, a short circuit, or an open circuit.
What a healthy reading looks like
Resistance should be between 2-5 ohms for proper operation; if outside of this range, a fault is present.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 1Inspect the wiring and connectors for the left front seat belt pretensioner for damage or corrosion. If damaged, repair or replace it.
- 2Check the resistance of the seat belt pretensioner. It should be between 2-5 ohms. If not, replace the pretensioner.
- 3Using a scan tool, verify if any additional fault codes are present. Address other codes if found.
- 4If all checks are within spec, it may indicate a faulty airbag control module; consider replacing it.
Common causes
- Damaged wiring or connectors for the seat belt pretensioner
- Faulty seat belt pretensioner module
- Corrosion in electrical connections
- Faulty airbag control module
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's recommended to fix it soon. The seat belt pretensioner may not function properly in an accident.
Will the light come back on after fixing?
If the repair is done correctly, the light should stay off unless there's another underlying issue.
Why is this code showing up instead of airbag codes?
The seat belt pretensioner is part of the airbag system; faults with it can trigger codes related to airbag readiness.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
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