DTC P0264 Chevrolet

Relay Control Module Lost Communication with MICU (DOORSW Message)

Relay Control Module Lost Communication with MICU (DOORSW Message)

Description

Poor communication between the Relay Control Module and the MICU If DTCs B1055, B1056, B1057, B1157, B1159, B1180, B1255, B1955, B2155, B2156, and B2161 are indicated, perform the MICU input test.

Cause and Solution

Loose or poor connections between the Relay Control Module and the drivers MICU Blown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse relay box Open or Short to ground at the Relay Control Module Open or Short to ground at drivers MICU Faulty Relau Control Module Faulty MICU

Video Guide

Duration: PT4M34S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0264
  • Brand: Chevrolet
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