B1431
Right Seat Belt Pre-Tensioner Circuit
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)
Symptoms
- Airbag indicator on dashboard
- Malfunction in the SRS system
- Inability to activate the pretensioner in an accident
Causes
- Pretensioner circuit break
- Faulty pretensioner squib
- Wiring harness damage
- Short circuit in the circuit
- SRS control unit malfunction
How to Fix
- Diagnostics of the pretensioner circuit using an OBD-II scanner
- Visually inspect the wiring harness and connectors for damage
- Checking the squib resistance
- Replacement of faulty components (squib, wiring harness)
- Resetting the error and re-diagnosis