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Error code f350 - Cars & Trucks

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Oh, dear. You have to list the vehicle make, model, year. It doesn't hurt to give some hints, like what the symptoms are. We really don't know all the codes, we know symptoms. Service dealers know codes.

Posted on Nov 27, 2013

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My 1995 Ford F350 Diesel Dualy has a Jasper tranny that won't go into third...could it be the transmission control module? It only has 160K miles on it and just had the tranny serviced.

It could be the module, but you should not just start replacing things without a proper diagnosis. You need to scan the computer for error codes, if no codes exist the problem is likely mechanical and you will have to do further tests on the hydraulic s and transmission electronincs. This is beyond the scope of drive way repair and you may be better having it towed to a local shop.

May 25, 2014 | 1995 Ford F350

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Idling bad on my 01 f350 7.3 It won't run good and when I try to drive it looses all power and won't go

Check fuel pressure, MAS, TPS, fuel injector.
Do you have any error code?

Mar 23, 2013 | Cars & Trucks

1 Answer

Ford F350 Low Oil Pressure?

Yes you have a issue, Get it repaired before you do damage to the engine ,If you havent Allredy,

Nov 28, 2012 | Cars & Trucks

1 Answer

Wrench light coming on f350 super duty diesel

either requires a service or some part of the engine management has caused an error code. can be checked using an OBDII reader (Garage or can be cheap online) this will give you an error code to research

Apr 05, 2012 | Ford F-350 Cars & Trucks

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I have an 1999 ford f350 7.3 powerstroke. I'm having white smoke coming out of the exhaust, I had trouble shot the vehicle the codes are DTC 04 p0562, DTC 03 p1670, DTC 02 p0603 and DTC 01 p0344. I...

P0344 = cam position sensor error
P0603 = Internal control module keep alive memory error.
P1670 = communication error between PCM and IDM
P0562 = system voltage low

My guess is you probably have some wiring issues but it's hard to tell exactly where.

May 16, 2011 | 1999 Ford F350 Regular Cab

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Have a p 1249 code and a p 0475 code p0603 code on my f350 diesel.plugged it in on a odb2 scanner no codes but they show up on my hyper tech programmer i reset them and they come back whats up

if your using a generic code reader like from the local auto parts store, they won't retirieve powerstroke specific codes.

P1249 is wastegate control valve performance
P0475 is exhaust pressure control valve
P0603 is KAM (keep alive memory) error

Your truck has a back pressure valve that will close to aid in the warm up of the engine. Exhaust back pressure valve can stick and give the P0475. The P1249 might be related. If your disconnecting the battery to clear the codes that's where your getting the P0603. Your turbo need to come out and the back pressure valve ooked's in the turbo pedestal.

Apr 12, 2011 | 2000 Ford F350 Super Duty Super Cab

1 Answer


po603 is pcm keep alive memory error. either have pcm tested or replace pcm. because the pcm is at fault.

May 06, 2010 | 2003 Ford F350 Super Duty DRW SuperCab

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F350 7.3 code po603 need to know how bad or way

P0603 Internal Control Module Keep Alive Memory (KAM) Error

Ford dealer Tech said to check for corrosion on the battery terminals, if
they’re good the check each battery individually to see if all cells are good.
If that still doesn’t solve it, he says to start pin testing the computer ????!!!??

P0603 doesn’t always mean you have a problem, if you are running any kind
of chip, programmer ,etc. you will get that code.

Jan 07, 2010 | 2001 Ford F350 Super Duty SuperCab

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