DTC P140D Chevrolet

Lost Communication With Auxiliary Heater System (AHS)

Lost Communication With Auxiliary Heater System (AHS)

Description

The system voltage is between 9-16 volts. The vehicle power mode requires serial data communication to occur.

Cause and Solution

A supervised periodic message that includes the transmitter module availability has not been received.

Video Guide

Duration: PT3M58S | Uploaded: 2020-07-24

Diagnostic Info

  • DTC Code: P140D
  • Brand: Chevrolet
Back to Blog