DTC P0B84 Cadillac

CAN Message Not Received FICM and TCM

CAN Message Not Received FICM and TCM

Description

The ignition is ON.

Cause and Solution

The modules that communicate on the CAN system are wired parallel to each other until the respective circuits are spliced together outside of the ECM. An open in the CAN circuits of one module will not affect the other modules. A short to ground or short

Video Guide

Duration: PT3M58S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0B84
  • Brand: Cadillac
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