DTC P22A7 GMC

Communication Bus Line Error (BUS OFF)

Communication Bus Line Error (BUS OFF)

Description

Communication Bus Line Error (BUS OFF). NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

Cause and Solution

Loose or poor connections at combination switch control unit connector and at under-dash fuse relay box connector Combination switch control unit

Video Guide

Duration: PT3M48S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P22A7
  • Brand: GMC
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