DTC P1B70 Chevrolet

Lost Communication With TCM

Lost Communication With TCM

Description

TCM data receive error occurred. Malfunction of CAN communication.

Cause and Solution

No battery voltage Defective fuse. Wiring harness or coupling needs repair. Incompatible setting in the body integrated unit or ECM. Additional DTC displayed.

Video Guide

Duration: PT3M44S | Uploaded: 2020-07-28

Diagnostic Info

  • DTC Code: P1B70
  • Brand: Chevrolet
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