B0133 (blink 62) on Toyota Corolla E120: Short P/T Squib (RH) Circuit (to B+)
Short answer: B0133 means “Short P/T Squib (RH) Circuit (to B+)”. 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 NO.3 -> CHECK AIR BAG SENSOR ASSY CENTER -> CHECK P/T SQUIB (RH).
- Code
- B0133 · blink 62
- 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 Short circuit in seat belt pretensioner (RH) wire harness (to B+) S P/T squib (RH) malfunction S Airbag sensor assembly malfunction
Likely causes
- Seat belt pretensioner (RH); Airbag sensor assembly; Wire harness
What to check, in order
- Workshop check order (RM821E): CHECK INSTRUMENT PANEL WIRE NO.3 -> CHECK AIR BAG SENSOR ASSY CENTER -> CHECK P/T SQUIB (RH)
Related on this car
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.

