Service Programming System (SPS) - Remote Procedure
SERVICE PROGRAMMING SYSTEM (SPS)BEFORE PROGRAMMING A CONTROL MODULE
IMPORTANT: Do NOT program a control module unless you are directed by a service procedure or you are directed by a General Motors Corporation service bulletin. Programming a control module at any other time will not permanently correct a customers concern.
Ensure the following conditions are met before programming a control module:
- Vehicle system voltage
- There is no charging system concern. All charging system concerns must be repaired before programming a control module.
- Battery voltage is greater than 12 volts but less than 16 volts. The battery must be charged before programming the control module if the battery voltage is low.
- A battery charger is NOT connected to the vehicle's battery. Incorrect system voltage or voltage fluctuations from a battery charger, may cause programing failure or control module damage.
- Turn OFF or disable any system that may put a load on the vehicle's battery.
- Twilight sentinel
- Interior lights
- Daytime running lights (DRL)-Applying the parking brake, on most vehicles, disables the DRL system. Refer to the Owners manual.
- HVAC systems
- Cooling System fans etc.
- The ignition switch is in the proper position. The scan tool prompts you to turn ON the ignition, with the engine OFF. DO NOT change the position of the ignition switch during the programming procedure, unless instructed to do so.
- All tool connections are secure.
- RS-232
- The connection at the data link connector (DLC) is secure.
- Voltage supply circuits
- DO NOT disturb the tool harnesses while programming. If an interruption occurs during the programming procedure, programming failure or control module damage may occur.
REMOTE PROGRAMMING
The Remote SPS method is a three-step process that involves the following procedures:
1. Connecting the Tech 2 to the vehicle and obtaining the information from the module.
2. Connecting the Tech 2 to the terminal and downloading a new calibration file from the terminal into the Tech 2 memory.
3. Reconnecting the Tech 2 to the vehicle and uploading the new calibration file into the module.
PERFORMING THE REMOTE PROCEDURE
1. Connect the Tech 2 to the vehicle and obtain the module information using the following procedure:
1.1. Connect the Tech 2 to the vehicle data link connector (DLC), with the engine and the Tech 2 OFF.
IMPORTANT: Ensure the control module is installed in the vehicle and the battery is fully charged before programming.
1.2. Turn ON the Tech 2.
1.3. Press Enter at the title screen.
1.4. Turn ON the ignition, with the engine OFF.
1.5. Select Service Programming System at the Main Menu.
1.6. Select Request Info.
IMPORTANT: Select Request Info Again if a vehicle identification number (VIN) was previously stored in the Tech 2.
1.7. Enter the vehicle description by following the on-screen instructions.
1.8. Turn OFF all accessories and select Continue.
1.9. Verify that the correct VIN is entered on the Tech 2 and select Yes.
IMPORTANT:
- The correct VIN must be entered if the vehicle identification number (VIN) does not appear correctly.
- If the vehicle is equipped with the original factory control module, no VIN will be stored.
2. Turn OFF the Tech 2.
3. Disconnect the Tech 2 from the vehicle.
4. Turn OFF the ignition.
5. Transfer the data from the terminal to the Tech 2 using the following procedure:
5.1. Connect the Tech 2 to the terminal.
5.2. Launch the TIS application at the terminal.
IMPORTANT: The TIS supports service programming with the Tech 2 scan tool only.
5.3. Select the Service Programming System at the main screen.
5.4. Highlight the following information on the Select Diagnostic Tool and Programming Process Screen:
- Select Diagnostic Tool-Select Tech 2
- Select Programming Process-Identify whether an existing module is being reprogrammed or a module is being replaced with a new one.
- Select ECU Location-Select vehicle
5.5. Select Next.
5.6. Verify the connections and select Next.
5.7. Verify the VIN and select Next.
IMPORTANT: You may receive a message stating that the control module could be a service control module if you selected NO to the VIN being correct. Click OK.
5.8. Select the appropriate controller for the vehicle being serviced.
5.9. Select the type of programming to be performed from the following categories:
- Normal-Used for updating an existing calibration or programming a new controller.
- Vehicle configuration index (VCI)-Used for updating an existing controller or programming a new controller for newer vehicles whose VINs are not yet in the database.
- Reconfigure-Used to reconfigure a vehicle for changes in tire size and axle ratios.
IMPORTANT: When selecting the vehicle configuration index (VCI) programming type, a valid VCI number for the vehicle must be entered. This number may be obtained from the Techline Customer Support.
5.10. Select Next.
5.11. Select the appropriate calibration file for the vehicle being serviced.
IMPORTANT: Refer to Service bulletins before service programming is performed if the bulletins are listed along with the calibration files.
5.12. Select Next.
5.13. Verify your selection on the Summary screen.
IMPORTANT: Select Cancel if you receive a message stating that the calibration selected is already the current calibration in the control module and reprogramming with the same download is not allowed.
5.14. Select Next.
6. Close the application and return to the TIS application Selection screen after the download is complete.
7. Turn OFF the Tech 2.
8. Disconnect the Tech 2 from the terminal.
9. Transfer the data from the Tech 2 to the control module using the following procedure:
9.1. Connect the Tech 2 to the vehicle DLC, with the engine and the Tech 2 OFF.
9.2. Turn ON the Tech 2.
9.3. Press Enter at the Title screen.
9.4. Turn ON the ignition, with the engine OFF.
9.5. Select Service Programming System.
9.6. Select the Program ECU function on the Tech 2.
9.7. Verify the VIN and calibration numbers, select Continue.
9.8. Follow the on-screen instructions and select Continue.
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.
PROGRAMMING VERIFICATION
1. Turn off the ignition for 30 seconds.
2. Attempt to start the engine.
3. Repeat the Service Programming procedure if the engine does not start or has an engine performance concern.