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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP2009PATRIOT 4WD L4-2.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETECHNICAL SERVICE BULLETINSRECALLSRECALL - PCM REPLACEMENT/SOFTWARE UPDATESERVICE PROCEDUREC. PROGRAM PCM
2009 Jeep Patriot 4WD L4-2.0L
C. Program PCM
2009 Jeep Patriot 4WD L4-2.0LSECTION C. Program PCM
NOTE:
Either StarSCAN or StarMOBILE can be used to perform this recall. This procedure must be performed with the latest software release level. If the reprogramming flash for the PCM is aborted or interrupted, repeat the procedure.
PCM Programming Procedure using StarSCAN
1. Open the hood. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process. Set the battery charger timer (if so equipped) to continuous charge.
NOTE:
Use an accurate stand alone voltmeter. The battery charger voltmeter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.
2. Connect the CH9410 StarSCAN ethernet cable to the StarSCAN and the dealer's network drop.
3. Connect the CH9404 StarSCAN vehicle cable to the StarSCAN and the vehicle.
4. Place the Ignition in the "RUN" position, then Power "ON" the StarSCAN.
5. Download the flash file from the internet to the StarSCAN. With the StarSCAN on the "Home" screen, follow the procedure below:
a. Select "ECU View"
b. Touch the screen to highlight "PCM" in the list of modules.
c. Select "More Options".
d. Select "ECU Flash".
e. Select "Browse for New File".
f. Enter Identification name and password.
g. Press "Finish".
h. Highlight the appropriate calibration based on the part number recorded in the PCM replacement procedure Step 2g for StarSCAN.
i. Select "Download to Scantool".
j. Select "Close" after the download is complete, then select "Back".
k. Highlight the listed calibration.
l. Select "Update Controller" and follow the on screen instructions.
m. When the update is completed, select "OK".
n. Verify that the part number at the top of the Flash PCM screen has updated to the new part number.
6. Vehicles equipped with a Continuously Variable Transaxle (CVT), ensure that the Transmission Control Module (TCM) has the latest software calibration available using the following procedure:
a. From the "Home Screen," select "ECU View".
b. Select "TCM".
c. Select "More Options".
d. Select "ECU Flash"
e. Select "Browse for File".
f. Follow the screen prompts to complete the process.
7. Vehicles equipped with a Wireless Control Module (WCM), perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "WCM Wireless Control".
c. Select "Misc. Functions".
d. Scroll down the list and select "PCM Replaced".
e. Press the blue "Start" button on the StarSCAN screen.
f. Press the "Next" button on the StarSCAN screen.
g. Enter the Personal Identification Number (PIN) for that vehicle
NOTE:
The PIN number can be obtained from the original selling invoice, DealerCONNECT > Parts > Key Codes, or contacting the District Manager.
h. Follow the screen prompts to complete the process.
8. Vehicles not equipped with a Wireless Control Module, perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM VIN" and follow the on screen instructions.
e. When complete, select "Finish".
9. Perform the learn Electronic Throttle Control (ETC) programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Learn ETC" and press the "Start" button on the StarSCAN screen.
e. Follow the screen prompts to complete the process.
10. Check the PCM Odometer programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM Odometer" and press the "Start" button on the StarSCAN.
e. Follow the on screen instructions.
f. When complete, select "Finish".
11. Place the Ignition in the "OFF" position, then Power "Off" the StarSCAN.
12. Disconnect the Data Link Connector (DLC), wait 15 seconds, and reconnect the DLC to the vehicle.
13. Place the ignition in the "RUN" position and then Power "ON" the StarSCAN.
14. Vehicles equipped with a four-speed transaxle, perform Transmission Control Module (TCM) Quicklearn programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "TCM".
c. Select "Misc. Functions".
d. Select "Quicklearn" and press the "Start" button on the StarSCAN.
e. Follow the on screen instructions.
f. When complete, select "Finish".
15. Clear any Diagnostic Trouble Codes (DTCs) as follows:
NOTE:
Due to the PCM programming procedure, DTC(s) may be set in other modules (TCM, ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.
a. From the "Home" screen select "System View".
b. Select "All DTCs".
c. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.
d. Follow the on screen instructions.en instructions.
16. Turn the ignition key to the "OFF" position and remove the StarSCAN unit, StarSCAN cable, and battery charger from the vehicle.
PCM Module Programming Procedure using StarMOBILE
1. Open the hood. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process. Set the battery charger timer (if so equipped) to continuous charge.
NOTE:
Use an accurate stand alone voltmeter. The battery charger voltmeter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.
2. Connect the CH9410 StarMOBILE ethernet cable to the StarMOBILE and the dealer's network drop.
3. Connect the CH9404 StarMOBILE vehicle cable to the StarMOBILE and the vehicle.
4. Place the Ignition in the "RUN" position, then Power "ON" the StarMOBILE.
5. Record the StarMOBILE I.P. address displayed on the StarMOBILE screen.
6. From the desktop, launch the "StarMOBILE Desktop Client" software.
7 Establish a connection with the StarMOBILE scan tool.BILE scan tool.
8. Download the flash file from the internet to the StarMOBILE. With the StarMOBILE on the "Home" screen, follow the procedure below:
a. Select "ECU View".
b. Touch the screen to highlight "PCM" in the list of modules.
c. Select "More Options".
d. Select "ECU Flash".
e. Select "Browse for New File".
f. Enter Identification name and password.
g. Press "Finish".
h. Highlight the appropriate calibration based on the part number recorded in Step 2k. of the PCM replacement procedure for StarMOBILE.
i. Select "Download to Client".
j. Select "Close" after the download is complete, then select "Back".
k. Highlight the listed calibration.
l. Select "Update Controller" and follow the on screen instructions.
m. When the update is completed, select "OK".
n. Verify that the part number at the top of the Flash PCM screen has updated to the new part number.
9. Vehicles equipped with a Continuously Variable Transaxle (CVT), ensure that the Transmission Control Module (TCM) has the latest software calibration available using the following procedure:
a. From the "Home Screen" select "ECU View".
b. Select "TCM".
c. Select "More Options".
d. Select "ECU Flash"
e. Select "Browse for File".
f. Follow the screen prompts to complete the process.
10. Vehicles equipped with a Wireless Control Module (WCM), perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "WCM Wireless Control".
c. Select "Misc. Functions".
d. Scroll down the list and select "PCM Replaced".
e. Press the blue "Start" button on the Desktop Client.
f. Press the "Next" button on the Desktop Client.
g. Enter the Personal Identification Number (PIN) for that vehicle
NOTE:
The PIN number can be obtained from the original selling invoice, DealerCONNECT>Parts>Key Codes, or contacting the District Manager.
h. Follow the screen prompts to complete the process
11. Vehicles not equipped with a Wireless Control Module, perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM VIN" and follow the on screen instructions.
e. When complete, select "Finish".
12. Perform the learn Electronic Throttle Control (ETC) programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Learn ETC" and press the "Start" button on the Desktop Client.
e. Follow the screen prompts to complete the process.
13. Check the PCM Odometer programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM Odometer" and press the "Start" button on the Desktop Client.
e. Follow the on screen instructions.
f. When complete, select "Finish".
14. Place the Ignition in the "OFF" position, then Power "Off" the StarMOBILE.
15. Disconnect the Data Link Connector (DLC), wait 15 seconds, and reconnect the DLC to the vehicle.
16. Place the ignition in the "RUN" position, power "ON" the StarMOBILE and restart the Desktop Client.
17. Vehicles equipped with a four-speed transaxle, perform Transmission Control Module (TCM) Quicklearn programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "TCM Transmission Control Module".
c. Select "Misc. Functions".
d. Select "Quicklearn" and press the "Start" button on the Desktop Client.
e. Follow the on screen instructions.
f. When complete, select "Finish".
18. Clear any Diagnostic Trouble Codes (DTCs) as follows:
NOTE:
Due to the PCM programming procedure, DTC(s) may be set in other modules (TCM, ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.
a. From the "Home" screen select "System View".
b. Select "All DTCs".
c. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.
d. Follow the on screen instructions.
19. Turn the ignition key to the "OFF" position and remove the StarMOBILE unit, StarMOBILE cable, and battery charger from the vehicle.
Either StarSCAN or StarMOBILE can be used to perform this recall. This procedure must be performed with the latest software release level. If the reprogramming flash for the PCM is aborted or interrupted, repeat the procedure.
PCM Programming Procedure using StarSCAN
1. Open the hood. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process. Set the battery charger timer (if so equipped) to continuous charge.
NOTE:
Use an accurate stand alone voltmeter. The battery charger voltmeter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.
2. Connect the CH9410 StarSCAN ethernet cable to the StarSCAN and the dealer's network drop.
3. Connect the CH9404 StarSCAN vehicle cable to the StarSCAN and the vehicle.
4. Place the Ignition in the "RUN" position, then Power "ON" the StarSCAN.
5. Download the flash file from the internet to the StarSCAN. With the StarSCAN on the "Home" screen, follow the procedure below:
a. Select "ECU View"
b. Touch the screen to highlight "PCM" in the list of modules.
c. Select "More Options".
d. Select "ECU Flash".
e. Select "Browse for New File".
f. Enter Identification name and password.
g. Press "Finish".
h. Highlight the appropriate calibration based on the part number recorded in the PCM replacement procedure Step 2g for StarSCAN.
i. Select "Download to Scantool".
j. Select "Close" after the download is complete, then select "Back".
k. Highlight the listed calibration.
l. Select "Update Controller" and follow the on screen instructions.
m. When the update is completed, select "OK".
n. Verify that the part number at the top of the Flash PCM screen has updated to the new part number.
6. Vehicles equipped with a Continuously Variable Transaxle (CVT), ensure that the Transmission Control Module (TCM) has the latest software calibration available using the following procedure:
a. From the "Home Screen," select "ECU View".
b. Select "TCM".
c. Select "More Options".
d. Select "ECU Flash"
e. Select "Browse for File".
f. Follow the screen prompts to complete the process.
7. Vehicles equipped with a Wireless Control Module (WCM), perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "WCM Wireless Control".
c. Select "Misc. Functions".
d. Scroll down the list and select "PCM Replaced".
e. Press the blue "Start" button on the StarSCAN screen.
f. Press the "Next" button on the StarSCAN screen.
g. Enter the Personal Identification Number (PIN) for that vehicle
NOTE:
The PIN number can be obtained from the original selling invoice, DealerCONNECT > Parts > Key Codes, or contacting the District Manager.
h. Follow the screen prompts to complete the process.
8. Vehicles not equipped with a Wireless Control Module, perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM VIN" and follow the on screen instructions.
e. When complete, select "Finish".
9. Perform the learn Electronic Throttle Control (ETC) programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Learn ETC" and press the "Start" button on the StarSCAN screen.
e. Follow the screen prompts to complete the process.
10. Check the PCM Odometer programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM Odometer" and press the "Start" button on the StarSCAN.
e. Follow the on screen instructions.
f. When complete, select "Finish".
11. Place the Ignition in the "OFF" position, then Power "Off" the StarSCAN.
12. Disconnect the Data Link Connector (DLC), wait 15 seconds, and reconnect the DLC to the vehicle.
13. Place the ignition in the "RUN" position and then Power "ON" the StarSCAN.
14. Vehicles equipped with a four-speed transaxle, perform Transmission Control Module (TCM) Quicklearn programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "TCM".
c. Select "Misc. Functions".
d. Select "Quicklearn" and press the "Start" button on the StarSCAN.
e. Follow the on screen instructions.
f. When complete, select "Finish".
15. Clear any Diagnostic Trouble Codes (DTCs) as follows:
NOTE:
Due to the PCM programming procedure, DTC(s) may be set in other modules (TCM, ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.
a. From the "Home" screen select "System View".
b. Select "All DTCs".
c. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.
d. Follow the on screen instructions.en instructions.
16. Turn the ignition key to the "OFF" position and remove the StarSCAN unit, StarSCAN cable, and battery charger from the vehicle.
PCM Module Programming Procedure using StarMOBILE
1. Open the hood. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process. Set the battery charger timer (if so equipped) to continuous charge.
NOTE:
Use an accurate stand alone voltmeter. The battery charger voltmeter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.
2. Connect the CH9410 StarMOBILE ethernet cable to the StarMOBILE and the dealer's network drop.
3. Connect the CH9404 StarMOBILE vehicle cable to the StarMOBILE and the vehicle.
4. Place the Ignition in the "RUN" position, then Power "ON" the StarMOBILE.
5. Record the StarMOBILE I.P. address displayed on the StarMOBILE screen.
6. From the desktop, launch the "StarMOBILE Desktop Client" software.
7 Establish a connection with the StarMOBILE scan tool.BILE scan tool.
8. Download the flash file from the internet to the StarMOBILE. With the StarMOBILE on the "Home" screen, follow the procedure below:
a. Select "ECU View".
b. Touch the screen to highlight "PCM" in the list of modules.
c. Select "More Options".
d. Select "ECU Flash".
e. Select "Browse for New File".
f. Enter Identification name and password.
g. Press "Finish".
h. Highlight the appropriate calibration based on the part number recorded in Step 2k. of the PCM replacement procedure for StarMOBILE.
i. Select "Download to Client".
j. Select "Close" after the download is complete, then select "Back".
k. Highlight the listed calibration.
l. Select "Update Controller" and follow the on screen instructions.
m. When the update is completed, select "OK".
n. Verify that the part number at the top of the Flash PCM screen has updated to the new part number.
9. Vehicles equipped with a Continuously Variable Transaxle (CVT), ensure that the Transmission Control Module (TCM) has the latest software calibration available using the following procedure:
a. From the "Home Screen" select "ECU View".
b. Select "TCM".
c. Select "More Options".
d. Select "ECU Flash"
e. Select "Browse for File".
f. Follow the screen prompts to complete the process.
10. Vehicles equipped with a Wireless Control Module (WCM), perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "WCM Wireless Control".
c. Select "Misc. Functions".
d. Scroll down the list and select "PCM Replaced".
e. Press the blue "Start" button on the Desktop Client.
f. Press the "Next" button on the Desktop Client.
g. Enter the Personal Identification Number (PIN) for that vehicle
NOTE:
The PIN number can be obtained from the original selling invoice, DealerCONNECT>Parts>Key Codes, or contacting the District Manager.
h. Follow the screen prompts to complete the process
11. Vehicles not equipped with a Wireless Control Module, perform the following procedure:
a. Starting at the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM VIN" and follow the on screen instructions.
e. When complete, select "Finish".
12. Perform the learn Electronic Throttle Control (ETC) programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Learn ETC" and press the "Start" button on the Desktop Client.
e. Follow the screen prompts to complete the process.
13. Check the PCM Odometer programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "PCM".
c. Select "Misc. Functions".
d. Select "Check PCM Odometer" and press the "Start" button on the Desktop Client.
e. Follow the on screen instructions.
f. When complete, select "Finish".
14. Place the Ignition in the "OFF" position, then Power "Off" the StarMOBILE.
15. Disconnect the Data Link Connector (DLC), wait 15 seconds, and reconnect the DLC to the vehicle.
16. Place the ignition in the "RUN" position, power "ON" the StarMOBILE and restart the Desktop Client.
17. Vehicles equipped with a four-speed transaxle, perform Transmission Control Module (TCM) Quicklearn programming using the following procedure:
a. From the "Home" screen, select "ECU View".
b. Select "TCM Transmission Control Module".
c. Select "Misc. Functions".
d. Select "Quicklearn" and press the "Start" button on the Desktop Client.
e. Follow the on screen instructions.
f. When complete, select "Finish".
18. Clear any Diagnostic Trouble Codes (DTCs) as follows:
NOTE:
Due to the PCM programming procedure, DTC(s) may be set in other modules (TCM, ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.
a. From the "Home" screen select "System View".
b. Select "All DTCs".
c. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.
d. Follow the on screen instructions.
19. Turn the ignition key to the "OFF" position and remove the StarMOBILE unit, StarMOBILE cable, and battery charger from the vehicle.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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.