DTC P1481 Chevrolet

Lost Communication with MICU (MICU frame)

Lost Communication with MICU (MICU frame)

Description

A communication malfunction was detected between the gauge control module, the related units and the under-dash fuse relay box. 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 between the gauge control module and the under-dash fuse relay box Perform the MICU input test and perform all power, ground and communication input tests Faultyunder-dash fuse relay box Faulty gauge control module

Video Guide

Duration: PT4M1S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1481
  • Brand: Chevrolet
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