Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2004AZTEK AWD V6-3.4L VIN EREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - A/TCONTROL MODULESERVICE AND REPAIRTRANSMISSION CONTROL MODULE REPLACEMENT
2004 Pontiac Aztek AWD V6-3.4L VIN E
Transmission Control Module Replacement
2004 Pontiac Aztek AWD V6-3.4L VIN ESECTION Transmission Control Module Replacement
Module, Transmission Control (TCM) - Replace
Removal Procedure
1. Turn the ignition OFF.
2. Remove the air cleaner upper cover.
3. Remove the Transmission Control Module (TCM)) from the air cleaner.
4. Disconnect the transmission control module electrical connectors from the TCM.
Installation Procedure
1. Connect the transmission control module electrical connectors to the TCM.
2. Install the TCM to the air cleaner.
3. Install the air cleaner upper cover.
4. Program the TCM. Refer to Transmission Control Module Programming Procedure Programming and Relearning
Removal Procedure
1. Turn the ignition OFF.
2. Remove the air cleaner upper cover.
3. Remove the Transmission Control Module (TCM)) from the air cleaner.
4. Disconnect the transmission control module electrical connectors from the TCM.
Installation Procedure
1. Connect the transmission control module electrical connectors to the TCM.
2. Install the TCM to the air cleaner.
3. Install the air cleaner upper cover.
4. Program the TCM. Refer to Transmission Control Module Programming Procedure Programming and Relearning
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.