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P0687 Diagnostic Trouble Code Discussion for April 2015

Engine Controls Ignition Relay Control Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0687
Help Request Posted
2007 Audi A6 Quattro 3.2L No Start VIN: WAUDH74F37
P0687: ECM Power Relay Control Circuit. Car will start and run fine. If it is shut off and we try to restart the car it will crank but not fire. tachometer shows signals, fuel pressure is good. Engine light is not on, but codes are in system. If you leave car for 10 minutes it will start up again an...
April 09, 2015