B0105 · blink 53 – Short in P Squib Circuit

System: SRS
Dashboard light: SRS airbag warning
Check-engine blink code: 53
Applies to: Cars with airbags (SRS)
Description: Short in P Squib Circuit
Detection / symptoms: Detection: S Short circuit in P squib wire harness S P squib malfunction S Airbag sensor assembly malfunction
Possible causes: Front passenger airbag assembly (P squib); Airbag sensor assembly; Wire harness
What to check: Workshop check order (RM821E): CHECK INSTRUMENT PANEL WIRE -> CHECK AIR BAG SENSOR ASSYCENTER -> CHECK P SQUIB
Confidence: high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights