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GMC Terrain Engine Computers

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All GMC Terrain PCM (Powertrain Control Module) GMC Terrain ECM (Engine Control Module) & GMC Terrain ECU (Electronic Control Unit) from Flagship One, Inc. are precisely programmed and flashed to meet your vehicle's specific requirements.

Our GMC Terrain PCM, GMC Terrain ECM and GMC Terrain ECU units that are labeled plug & play will not require any additional programming. All of our control units are OEM, meaning you will get your vehicles original module. Feel free to chat with one of our agents regarding any ECU testing or ECU repair.