Replacing seats
AUDI A3 Hatchback (8V1, 8VK)
3 
194 
14.09.23 Back to topics
q7 electrical problem
AUDI Q7 (4LB)
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@user_1773635 Jul 30, 2023Member
Reply 30.07.23 
10.01.24 -
@Didet1952 Aug 02, 2023MemberI recommend making diagnostics and reading errors from the control units, it happens that the control unit of the energy regulation system fails and after its replacement the problem disappears and the battery does not sit anymore.
Reply - AUDI Q7 (4L) 3.6 FSI quattro@CowedbrakerQ7 @Didet1952 Jan 01, 2024MemberHi would you be talking about the BCM which seats on driver side under seat the black box ? I am having a similar issue myself, with also a terminal 50 circuit fault. would you happen to know what the complete terminal circuit would be? i own the 1st gen 4L 2007 Audi Q7 V6 3.6L Premium suv version.Reply
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@Didet1952 @CowedbrakerQ7 Jan 02, 2024MemberUnfortunately, I am not able to provide a complete diagram and more accurate information.Reply - AUDI Q7 (4L) 3.6 FSI quattro@CowedbrakerQ7 @Didet1952 Jan 10, 2024Member@Didet1952 Hi, this is Tyrone. I have read your response here : I
recommend making diagnostics and reading errors from the control units,
it happens that the control unit of the energy regulation system fails
and after its replacement the problem disappears and the battery does
not sit anymore.Am i correct that what your saying is the 2007 Audi Q7 3.6L vehicle’s BCM which mounts under driver seat is the culprit ? I must change that module your referencing thereby returning the vehicle energy back into full proper use given the features my premium package Quattro has ? I am aware that under such constraints the vehicle system will begin shutting down components in effort to conserve energy/ power to be able to start the vehicle up. I will try that procedure see what happens.DO YOU KNOW ANYTHING ABOUT THE REAR SEAT FUEL PUMPS AND FUEL FILTERS ? I DISCOVERED FEW DAYS BEFORE THE SNOW BEGAN TO FALL WHILE I WAS CHECKING THE 2 PUMPS AND FILTERS THERE. THE DRIVER SIDE REAR TOP FILTER OR SENDING UNIT IM NOT SURE WHAT THEY REFER TO THEM AS BEING SO I CALL THEM FILTERS. THE DRIVER SIDE TOP IS OK ALL THREE (3) OF THE CONNECTORS WERE PRESENT, 2 QUICK RELEASE CONNECTORS 1 BEING STRAIGHT OTHER 90 DEGREE TYPE AND 1 BIG MALE TO FEMALE CONNECTOR.THE RIGHT REAR TOP FILTER WAS MISSING THE STRAIGHT QUICK RELEASE CONNECTOR AND THE HOSE AS WELL. I AM NOT EVEN CLEAR UPON WHERE THE HOSE EVEN ROUTES FROM NOR WHERE IT IS CONNECTED TO FROM THE WAY THE AUDI Q7 FUEL PUMPS FUEL HOSES ARE ROUTED FROM ONE SIDE TO THE OTHER. I KNOW THE ONE HOSE MUST BE DISCONNECTED IN ORDER TO PULL THE ONE SIDE FUEL PUMP OUT COMPLETELY FOR NEW INSTALL OF NEW PUMP. SEND ME YOUR EMAIL SO I CAN SEND YOU PICS OF THE AREA WHAT I HAVE THERE…I THINK IT WAS TAMPERED WITH WHILE AT MY UNCLE HOUSE IN DRIVEWAY THE WINTER OF 2022. HERE IS EMAIL YOU CAN MESSAGE ME AT WHERE I CAN SEND YOU THE PICS I TOOK OF MY VEHICLE FUEL TANK FUEL PUMPS CURRENTLY IN VEHICLE ITS: [email protected]Reply
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- AUDI Q7 (4L) 3.6 FSI quattro@CowedbrakerQ7 Jan 10, 2024MemberWhat was your outcome from having the ground / earth issue with your Audi Q7 vehicle ? I ask because i am experiencing a similar issue as you have had or may still be dealing with here thank you. [email protected] any pics diagram of wiring what to check where precisely located for all the earth ground points on the Audi Q7 would be greatly appreciated. with pictures and explaining what steps to take and to do.Reply
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