DTC P0452 GMC

Combination Switch Control Unit Lost Communication with MICU (MICU Message)

Combination Switch Control Unit Lost Communication with MICU (MICU Message)

Description

Poor communication between the Combination Switch Control Unit and the MICU. If DTCs B1055, B1157, B1806, B1955, and B2155 are indicated, perform the MICU input test. In no other codes are present perform the Combination Switch Control Unit input test

Video Guide

Duration: PT4M30S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0452
  • Brand: GMC
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