B1906 Open in front pretensioner squib LH circuit
What does B1906 mean on a Toyota?
B1906. Open in front pretensioner squib LH circuit. The left seat belt pretensioner loop is open. This Toyota-enhanced code applies to Corolla, Camry, RAV4, Tacoma, Yaris, 2003 to 2013.
Common causes of B1906
- Loose left pretensioner connector
- Damaged harness under left seat
- Failed left pretensioner unit
- Corroded squib pins
- Pinched wire in seat rail
How to fix B1906
- Disconnect battery and wait before testing
- Inspect left buckle and retractor wiring
- Reseat pretensioner connector fully
- Check continuity of floor harness
- Replace left pretensioner if loop is open