DTC P0401 GMC

Door Multiplex Control Unit Internal Error

Door Multiplex Control Unit Internal Error

Description

Door Multiplex Control Unit malfuncion. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

Video Guide

Duration: PT3M32S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0401
  • Brand: GMC
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