Lost Communication With Throttle Actuator Control Module


Table of contents

U0107 SATURN Possible Causes

  • Faulty Throttle Actuator Control (TAC) Module
  • Throttle Actuator Control Module harness is open or shorted
  • Throttle Actuator Control Module circuit poor electrical connection (loose or broken wires)

How do I fix code U0107 SATURN?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the U0107 SATURN code

  The cost of diagnosing the U0107 SATURN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

U0107 SATURN 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 not only good circuit integrity but also sufficient system voltage. This diagnostic test monitors de accuracy of the serial data transmitted between the TAC module and the PCM. The Diagnostic Trouble Code (DTC) U0107 is set when the Powertrain Control Module detects a loss of data or invalid data from the Throttle Actuator Control.

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