U0107 GMC - Lost Communication With Throttle Actuator Control Module
Repair Importance Level:
Repair Difficulty Level:
- 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)
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 YukonFactory Service Bulletin GMC OBDII Code U0107
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)
- 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 nau other serial data circuit on the vehicle. Accurate transmitting and reveicing of serial data requires no only agood cricuit integrity, but also adequate system voltage. This diagnostic test monitors de accuaracy od the serial data trasmitted between the TAC module and the PCM.
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GMC Technical Service Bulletins for U0107 code
2006 GMC W-SERIES Power Train:automatic Transmission:control Module (tcm, Pcm) Details
2007 GMC W-SERIES Power Train:automatic Transmission:control Module (tcm, Pcm) Details
2006 GMC W-SERIES 103100 Power Train:automatic Transmission:control Module (tcm, Pcm) Details
2007 GMC W-SERIES 103100 Power Train:automatic Transmission:control Module (tcm, Pcm) Details
2006 GMC SAVANA 1500 Engine And Engine Cooling:engine Details
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