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P0603 Diagnostic Trouble Code Discussion for September 2006

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1999 Oldsmobile Aurora 4.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G3GR62C5X
P0603: control module lt mem reset. ... months ago for a miss. found to be cylinder #6. replaced the spark plugs and did a motor vac. the car ran fine. previous to us someone else had replaced the wires and we could see where one was burn on the valve cover at #6. car came back last week for sta...
September 13, 2006