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. Refer to 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.