Transmission Control System (Smoother) 7A-203
9.5.Select Service Programming System.
9.6.Select the Program TCM on the Tech 2.
9.7.Follow the on-screen instructions and select
Continue.
9.8.Programming in Process will appear until the
progress bar reaches 100%.
Important:
Some warning lamp may turn ON or blink while
programming the TCM since communication between
the TCM and other modules are interrupted. Clear DTC
in any module after programming.
9.9.Select Continue and exit the program after the
Tech 2 displays Programming Was Successful.
10. Turn OFF the ignition.
11. Turn OFF the Tech 2.
12. Disconnect the Tech 2 from the vehicle.
Service Programming System (SPS) (Pass-
Thru Procedure)
Pass-Thru programming allows the Tech 2 to remain
connected to the terminal and to the vehicle throughout
the programming process. The vehicle must be in close
proximity to the terminal while using Pass-Thru.
Important:
The TIS supports service programming with the Tech 2
scan tool only.
1. Launch the TIS application at the terminal.
2. Select the Service Programming System at the
main screen.
3. Highlight the following information on the Select
Diagnostic Tool and Programming Process
screen:
• Select Diagnostic Tool-Select Pass-Thru
• Select Programming Process-Identify whether
as existing transmission control module (TCM)
is being reprogrammed or a TCM is being
replaced with a new one.
• Select TCM Location-Select Vehicle.
4. Select Next.
5. Complete all vehicle data on the Preparing for
Communication/Determine Vehicle screen until
Next is highlighted.
6. Select Next.
7. Follow the instruction on the Preparing for
Communication screen.
Important:
In order to reduce the potential for signal loss, the RS-
232 cable should not be more than 25 feet long.
8. Select Next.
9. Verify the VIN on the Validate Vehicle Identification
Number (VIN) screen and select Next.
Important:
If the TCM is replaced to new one, VIN does not
displayed. Input correct VIN reading from stamped VIN
or affixed VIN plate on the vehicle. If the TCM from
another vehicle is installed, input correct VIN by same
way.
10. Highlight Engine on the System Type screen and
select Next, if requested.
11. Complete the following information based on the
service ID plate on the Validate Vehicle Data
screen until Next is highlighted:
• Model
• Model Year
• Engine
• System Type
• Model Designator
12. Select Next.
13. Verify your selection on the Summary screen.
Important:
Refer to Service Bulletins before service programming
is performed if the bulletins are listed along with the
calibration files.
Important:
Select Cancel if you receive a message stating that the
calibration selected is already the current calibration in
the Tech 2 and reprogramming with the same download
is not allowed.
14. Select Reprog.
15. The Transfer Data screen will appear until the
progress bar reaches 100%.
Important:
Some warning lamp may turn ON or blink while
programming the TCM since communication between
the TCM and other modules are interrupted. Clear DTC
in any module after programming.
16. Select Close on the Programming Complete
screen.
17. Turn OFF the Tech 2.
18. Disconnect the Tech 2 from the vehicle.