Stages of programming automatic transmission control units:
1. Diagnostics:
* Connect the diagnostic scanner to the automatic transmission control unit.
* Read fault codes and identify any hardware or software problems.
2. Obtaining original software:
* Obtain the original control unit software from your vehicle manufacturer or equipment supplier.
3. Launching programming software:
*Open the programming software on your computer.
* Connect your computer to the diagnostic scanner using a cable or wireless connection.
4. Control unit identification:
* Select the make, model and year of your car from the program.
* Confirm the control unit ID displayed in the program.
5. Download original software:
*Load the original software into the control unit.
*Follow the instructions in the program to go through the download process.
6. Programming modifications (optional):
*If software changes need to be made, such as adjusting switching points or changing control strategies, please use the appropriate settings in the programming software.
7. Download modified software:
*Upload the modified software to the control unit.
*Follow the instructions in the program to go through the download process.
8. Reset and adaptation:
* Reset the control unit and perform transmission adaptation to ensure proper operation.
*Follow the instructions in the program to go through the reset and adaptation process.
9. Check:
* Carry out a road test to check that the transmission operates correctly with the new software.
* Read fault codes and make sure all problems are corrected.
Important Notes:
* Programming of automatic transmission control units should be performed with caution by a qualified technician.
* Always use up-to-date software and hardware.
*Before making changes, please make a backup copy of your original software.
*Follow the instructions in the programming software strictly.
* Check all modifications before shipping the vehicle to the customer.