CorollaFix

B1157 (blink 15) on Toyota Corolla E120: Front Airbag Sensor (RH) Malfunction

Short answer: B1157 means “Front Airbag Sensor (RH) Malfunction”. The car’s computer has found a fault in the SRS system and turns on the SRS airbag warning. First check: front airbag sensor (RH); Airbag sensor assembly; Wire harness; Engine room main wire harness.

Code
B1157 · blink 15
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

  1. /B1157/15 S Front airbag sensor (RH) malfunction

Likely causes

  1. Front airbag sensor (RH); Airbag sensor assembly; Wire harness; Engine room main wire harness

Related on this car

← B1156/15 B1158/16 →

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.