Jeep Workshop Manuals
Grand Cherokee 2WD V6-3.7L (2008)
Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Testing and Inspection > SKREEM Programming > Page 3077
Engine Control Module: Testing and Inspection
PCM/ECM REPROGRAMMING - GAS
Replacement PCM's will require programming utilizing the StarSCAN(R) or equivalent. The PCM will not operate the engine until it is programmed. A
CAUTION: Extreme care must be taken when programming a calibration into a generic PCM. Do not randomly select a calibration. Once a
SPECIAL TOOLS/EQUIPMENT OR EQUIVALENT REQUIRED:
**REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:
NOTE: The StarSCAN(R) or equivalent diagnostic scan tool fully supports Internet connectivity. However, in order to take advantage of this
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
1. Open the hood, install a battery charger and verify that the charging rate provides approximately 13.5 volts. Set the battery charger timer to
maintain the charging voltage for the duration of the flash process.
2. Connect the CH9410 StarSCAN(R) or equivalent ethernet cable to the StarSCAN(R) or equivalent and the dealer's network drop.
a. Select "ECU View"
6. Replace the PCM with the appropriate Generic PCM. Refer to the detailed service information available in TechCONNECT, under: Service Info,
8-Electrical, Electronic Control Module, Powertrain Control Module, Removal.
7. Program the PCM as follows:
a. Using the StarSCAN(R) or equivalent at the "Home" screen, Select "ECU View"
Highlight the appropriate calibration based on the part number recorded in Step 5.
g. Select "Download to Scantool".
Highlight the listed calibration.
Select "Update Controller". Follow on screen instructions.
k. When the update is complete, select "OK".
Verify the part number at the top of the "Flash PCM" screen has updated to the new part number.
8. Is this a GPEC Module?
a. Yes >> go to STEP 9.
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