B0102 (blink 11) on Toyota Corolla E120: Short in D Squib Circuit (to Ground)
Short answer: B0102 means “Short in D Squib Circuit (to Ground)”. 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 D SQUIB CIRCUIT -> CHECK AIR BAG SENSOR ASSYCENTER -> CHECK D SQUIB -> CHECK INSTRUMENT PANEL WIRE -> CHECK SPIRAL CABLE SUB−ASSY.
- Code
- B0102 · blink 11
- 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 D squib wire harness (to ground) S D squib malfunction S Spiral cable malfunction S Airbag sensor assembly malfunction
Likely causes
- Steering wheel pad (D squib); Spiral cable; Airbag sensor assembly; Wire harness
What to check, in order
- Workshop check order (RM821E): CHECK D SQUIB CIRCUIT -> CHECK AIR BAG SENSOR ASSYCENTER -> CHECK D SQUIB -> CHECK INSTRUMENT PANEL WIRE -> CHECK SPIRAL CABLE SUB−ASSY
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.

