DTC P1A87 GMC
No Communication With Rear Wheel Steering Control Module
No Communication With Rear Wheel Steering Control Module
Description
RWSCM Class 2 circuit is open, shorted to ground or to B+RWSCM ignition power circuit has a high resistance conditionRESCM main ground circuit(s) has a high resistance conditionRESCM (module) may have failed and is pulling the circuit low
Video Guide
Diagnostic Info
- DTC Code: P1A87
- Brand: GMC