computer module or bad wiring?
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computer module or bad wiring?
My 2015 6.2L 4x4 is experiencing either a bad computer module or bad wiring with under 50k miles?
Last week I was driving to work and all the warning lights went off and none of the gauges/speedometer worked except the fuel gauge.
When I left work it did the same thing. I pulled over on the exit ramp and shut it off and then it wouldn't start up for about 10 minutes.
I drove it straight to my mechanic and after he looked at it he said I need to take it to Ford because of all the codes.
they tried tracing all the ground wires but not the positive wires.
It wouldn't start for a couple days and then it started right up.
I drove it home and parked it until I needed to move my RV back to storage - it started right up and all the idiot lights went off again.
I just kept it running the whole time I got RV ready hooked & unhooked at storage.
Then I noticed none of the lights came on and everything seemed fine.
I dropped it off at a Ford Dealer that works on all the city trucks but they said it will be 2 weeks before they can even look at it.
In the meantime I'm having to rent a vehicle to get back-n-forth to work.
My mechanic thinks it's a computer module and Ford said it sounds like a wiring issue?
Any ideas what this could be?
Last week I was driving to work and all the warning lights went off and none of the gauges/speedometer worked except the fuel gauge.
When I left work it did the same thing. I pulled over on the exit ramp and shut it off and then it wouldn't start up for about 10 minutes.
I drove it straight to my mechanic and after he looked at it he said I need to take it to Ford because of all the codes.
they tried tracing all the ground wires but not the positive wires.
It wouldn't start for a couple days and then it started right up.
I drove it home and parked it until I needed to move my RV back to storage - it started right up and all the idiot lights went off again.
I just kept it running the whole time I got RV ready hooked & unhooked at storage.
Then I noticed none of the lights came on and everything seemed fine.
I dropped it off at a Ford Dealer that works on all the city trucks but they said it will be 2 weeks before they can even look at it.
In the meantime I'm having to rent a vehicle to get back-n-forth to work.
My mechanic thinks it's a computer module and Ford said it sounds like a wiring issue?
Any ideas what this could be?
Elder User
Joined: Mar 2011
Posts: 661
Likes: 8
From: Ontario , Canada
Stab in the dark here....But I've read of issues with wiring harness near the parking brake pedal.....it comes loose and creates a whole whack of issues such as what you have.....Can't recall what years this affected...but worth a look.
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Joined: Aug 2017
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thanks for taking time to reply srxfun, I had read about that issue a couple months ago while trying to figure out "SERVICE ADVANCE TRACK" warning.
Hopefully the Ford Truck Technicians will look at that first?
Hopefully the Ford Truck Technicians will look at that first?
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Jrock909
1987 - 1996 F150 & Larger F-Series Trucks
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Apr 3, 2021 08:40 AM
