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Jeep Workshop Manuals | |
Grand Cherokee 2WD V6-3.7L (2008)Relays and Modules > Relays and Modules - Transmission and Drivetrain > Relays and Modules - A/T > Control Module, A/T > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Control Module: > 18-007-10 > Mar > 10 > Engine Controls - MIL ON/DTC's P0730/P0731![]() Control Module: All Technical Service Bulletins NUMBER: 18-007-10 GROUP: Vehicle Performance DATE: March 20, 2010 THE wiTECH DIAGNOSTIC APPLICATION IS THE PREFERRED METHOD FOR FLASHING ECUs. HELP USING THE wiTECH THE wiTECH SOFTWARE LEVEL MUST BE AT RELEASE 10.02 OR HIGHER TO PERFORM THIS PROCEDURE. StarMOBILE DESKTOP CLIENT or StarSCAN MAY ALSO BE USED TO PERFORM THIS PROCEDURE. SUBJECT: OVERVIEW: MODELS: 2008 (WK) Grand Cherokee 2008 (WH) Grand Cherokee (International Markets) 2008 (XK) Commander NOTE: This bulletin applies to all vehicles equipped with a 3.7L engine (Sales code EKG) and a NAGI transmission (Sales code DGJ). SYMPTOM/CONDITION: The customer may experience a MIL illumination (4WD or AWD models only) with one or both of the following Diagnostic Trouble Codes (DTC) 1. P0730 - Incorrect Gear Ratio 2. P0731 - Gear Ratio Error in 1st This Software also gives a fuel economy improvement for all WK/WH/XK vehicles. The software now has a interactive fuel shut off strategy and the DIAGNOSIS: If the above condition is present, perform the Repair Procedure. PARTS REQUIRED: REPAIR PROCEDURE: NOTE: Relays and Modules > Relays and Modules - Transmission and Drivetrain > Relays and Modules - A/T > Control Module, A/T > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Control Module: > 18-007-10 > Mar > 10 > Engine Controls - MIL ON/DTC's P0730/P0731 | ||
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