B0106 (blink 54) on Toyota Corolla E120: Open in P Squib Circuit
Short answer: B0106 means “Open in P Squib Circuit”. The car’s computer has found a fault in the SRS system and turns on the SRS airbag warning. First check: workshop check order (RM821E): CHECK INSTRUMENT PANEL WIRE -> CHECK AIR BAG SENSOR ASSYCENTER -> CHECK P SQUIB.
- Code
- B0106 · blink 54
- System
- SRS
- Dashboard light
- SRS airbag warning
- Applies to
- Cars with airbags (SRS)
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- S Open circuit in P+ wire harness or P− wire harness of squib S P squib malfunction S Airbag sensor assembly malfunction
Likely causes
- Front passenger airbag assembly (P squib); Airbag sensor assembly; Wire harness
What to check, in order
- Workshop check order (RM821E): CHECK INSTRUMENT PANEL WIRE -> CHECK AIR BAG SENSOR ASSYCENTER -> CHECK P SQUIB
Related on this car
Same code on other cars
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

