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.
Automatic Transmission System: Registration
- When the automatic transmission is replaced, the transmission compensation code must be input into the TCM (proceed to step 1).
After the automatic transmission is reinstalled, the Quick Response (QR) code label will be positioned where the code cannot be read. Therefore, before reinstalling the automatic transmission, record the transmission compensation codes or input them using the Techstream.
- When the TCM is replaced, the existing transmission compensation codes must be input into the new TCM (proceed to step 2).
- SET TRANSMISSION COMPENSATION CODE INTO TCM (step 1) NOTE: Transmission compensation codes are unique, 60-digit alphanumeric values printed on a QR label on the transmission. If an incorrect transmission compensation code is input into the TCM, shift shock may occur.
- Record the transmission compensation code specified on the QR label
HINT
The transmission compensation code is a 60-digit alphanumeric value imprinted on the QR label.
- Move the shift lever to N or P
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG)NOTE: Do not start the engine.
- Turn the Techstream on
- Enter the following menus Powertrain / ECT / Utility / A/T Code Registration
- Select "Set Compensation Code"
- Register the compensation code
- Manually input the transmission compensation code
- Check that the compensation code displayed on the screen is correct by comparing it with the 60-digit alphanumeric value on the QR label
- Record the transmission compensation code specified on the QR label
Use the Manual With the Right Hardware
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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.
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