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U0107 GMC

U0107 GMC - Lost Communication With Throttle Actuator Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Throttle Actuator Control (TAC) module
  • Throttle Actuator Control (TAC) module harness is open or shorted
  • Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)
      What does this mean?

    • Tech notes

    There is a factory service bulletin for the U0107 code on following Cadillac vehicles:

    2006-2007 GMC Savana 1500/2500/3500
    2006-2007 GMC Sierra
    2006-2007 GMC Sierra Flex Fuel
    2006-2007 GMC Sierra Hybrid
    2006-2007 GMC Sierra Performance Edition
    2006-2007 GMC Sierra 2500/3500 HD
    2006-2007 GMC Yukon

    Factory Service Bulletin GMC OBDII Code U0107
      What does this mean?

    When is the code detected?

    The U0107 code is set when the Powertrain Control Module (PCM) detects a loss of data or invalid data from the Throttle Actuator Control (TAC)

    Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No throttle response

    • U0107 Gmc Description

    The Throttle Actuator Control (TAC) module and the Powertrain Control Module (PCM) communicate via a dedicated serial data circuit. This serial data circuit is separated from other serial data circuits on the vehicle. Accurate transmitting and receiving of serial data require no only a good circuit integrity, but also sufficient system voltage. This diagnostic test monitors de accuracy od the serial data transmitted between the TAC module and the PCM.
    OBDII Code U0107 Gmc - Lost Communication With Throttle Actuator Control Module - AutoCodes.com

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