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.
Section 2 - Additional Pcm/TCM Replacement Procedures
To continue, first determine the type of PCM/TCM in the vehicle, read and write down the required steps, and then proceed to the STEP-BY-STEP INSTRUCTIONS for additional information on completing the procedures.
If an NGC3 or NGC4 PCM was replaced, perform the following additional steps and/or routines:
- PCM Replaced (if equipped with WCM)
- Learn ETC (if equipped with ETC)
- Check PCM VIN (if NOT equipped with WCM)
- Check PCM Odometer
- Quick learn (if equipped with EATX)
If a GPEC PCM was replaced, perform the following additional steps and/or routines:
- If the vehicle is equipped with a CVT, verify that the TCM has the latest software calibration available.
- PCM Replaced (if equipped with WCM)
- Learn ETC
- Check PCM Odometer
- Check PCM VIN (if NOT equipped with WCM)
- TCM Quick learn (if equipped with EATX)
If a CVT TCM was replaced, perform the following additional steps and/or routines:
- Initialize CVT
If an EGS TCM was replaced, perform the following additional steps and/or routines:
- Initialize EGS
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.