DTC P1277 GMC

Passenger Curtain Airbag (CAB) Circuit Resistance High

Passenger Curtain Airbag (CAB) Circuit Resistance High

Description

Enable Conditions Ignition ON Threshold Value B1473 and B1477 CAB resistance ≥ 5.7Ω B1474 and B1478 CAB resistance ≤ 1.3Ω Diagnostic Time Qualification More than 4 sec De-Qualification More than 8 sec

Cause and Solution

Poor connection of connected part. Poor connection between shorting bar and release pin. Faulty CAB. Faulty SRSCM.

Video Guide

Duration: PT4M13S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1277
  • Brand: GMC
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