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
Find the PCM/TCM Type for the vehicle, read and write down the steps, and then go to the step by step instructions for additional information on how to perform these procedures. STEP-BY-STEP INSTRUCTIONS
If a NGC3 or NGC4 PCM was replaced, perform the following additional steps and/or routines:
- PCM Replaced - if WCM equipped
- Learn ETC - if ETC equipped
- Check PCM Odometer
- Check PCM VIN - if NOT WCM equipped
- Quicklearn - if EATX equipped
If a GPEC PCM was replaced, perform the following additional steps and/or routines:
- If the vehicle is equipped with a CVT, ensure that the TCM has the latest software calibration available (if the vehicle is not equipped with a CVT, skip to Step 3).
- PCM Replaced - if WCM equipped
- Learn ETC
- Check PCM Odometer
- Check PCM VIN - if NOT WCM equipped
- TCM Quicklearn - if EATX equipped
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.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.