DTC P2770 Chevrolet

Keyless UART Communication Failure

Keyless UART Communication Failure

Description

UART between keyless entry control module and body integrated unit is open or shorted, the connector is not connected properly, or the terminal is crimped improperly, keyless entry control module internal error.

Cause and Solution

Loose wiring harness connectionPoor contact in Body Integrated Unit connectorDefective keyless entry control module

Video Guide

Duration: PT4M4S | Uploaded: 2020-08-07

Diagnostic Info

  • DTC Code: P2770
  • Brand: Chevrolet
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