NHTSA Complaint #10423927 — 2008 JEEP GRAND CHEROKEE

THERE ARE TWO MAIN ISSUES: STALLING AND NO START. STALLING ISSUE - VEHICLE BEGAN TO STALL ON 8/9/10 ON A RANDOM AND INTERMITTENT BASIS WHILE DRIVING AT VARYING SPEEDS. THE STALLING APPEARS TO HAVE STOPPED AFTER THE LAST SERVICE WAS COMPLETED ON 7/25/11. THE FOLLOWING INFORMATION RELATES TO THE STALLING ISSUE. EACH DATE IS SEPARATE VISIT TO DEALERSHIP: 8/13/10 - PERFORMED DIAGNOSTIC TEST, WITH NO FAULT CODES STORED. CHECKED WIRING TO PDC AND FRONT CONTROL MODULE. ROAD TESTED FOR 55 MILES. COULD NOT DUPLICATE CUSTOMER CONCERN. 9/2/10 - REPLACED WIRELESS IGNITION NODE - (DUE TO A BIND, STICK OR SEIZE). 10/27/10 - REPLACED THROTTLE BODY. FOUND THE THROTTLE BODY TO BE BINDING. 7/25/11 - PERFORMED DIAGNOSTIC TEST, FOUND A STORED CODE FOR THE CRANKSHAFT SENSOR. COULD NOT DUPLICATE CONCERN. REPLACED SENSOR. NO START ISSUE - THIS IS DEFINED AS TURNING THE KEY TO THE START POSITION BUT WOULD NOT CRANK. FUEL PUMP WOULD TURN ON AFTER A FEW SECONDS. ALL ELECTRICAL SYSTEMS WERE FINE. BATTERY WAS FULL STRENGTH. IN ALL OF THESE CASES, THE CAR WOULD START UP WITHOUT A PROBLEM WITHIN 24-48 HOURS AFTER THE NO-START INCIDENTS. THE FOLLOWING INFORMATION RELATES TO A "NO START" ISSUE. EACH DATE IS A SEPARATE TRIP TO THE DEALERSHIP. 5/30/11 - VEHICLE TOWED IN ON SATURDAY. SERVICE TECHNICIAN STARTED VEHICLE UP THREE TIMES ON MONDAY. LET SIT OVERNIGHT AND STARTED RIGHT UP ON TUESDAY. BATTERY TESTED FINE. NO CODES IN SYSTEM. 7/25/11 - DIAGNOSTIC SCAN, REPLACED CRANKSHAFT SENSOR (SEE STALLING) 7/26/11 - VEHICLE TOWED TO DEALERSHIP. DUPLICATED NO-START ISSUE. REPLACED ENGINE WIRING HARNESS. SERVICE ADVISOR EXTREMELY CONFIDENT THAT THIS WAS THE ISSUE. *AFTER SPEAKING WITH THE SERVICE ADVISOR TODAY, HE HAD TOLD ME THAT THEY HAD REPLACED SEVERAL WIRING HARNESSES ON THE 2007, 2008 G. CHEROKEES EXPERIENCING SAME ISSUE SINCE MY SERVICE ON 7/26/11. *TR