Question about 2004 Ford Expedition

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PRNDL error, no backup aid

2003 Ford Expedition will not start. The reading says "PRNDL error, no backup aid"

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  • 2 more comments 
  • tfoster267 Jun 24, 2009

    Thanks. I tried moving the gear too. I replaced one of the fuses but it blew again in a 20 minute drive, now it will not start again.

  • Robert Jeffcoat
    Robert Jeffcoat Jan 24, 2019

    iknowwhy

  • Robert Jeffcoat
    Robert Jeffcoat Jan 24, 2019

    your fuel relay is shorted out a hard wired relay on back of fuse/relay behind l kick panel look on ebay used

  • Robert Jeffcoat
    Robert Jeffcoat Jan 24, 2019

    expedition EB is same as navigator all other expeditions are not a EB

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I think the computer is telling you that it is not recognizing what gear you are in as you can only start the vehicle in park or nuetral. thats the best i can do for you sorry

Posted on Jun 24, 2009

  • George Fischer
    George Fischer Jun 24, 2009

    get a bunch of fuses and take 20 minute drives to the mechanics, lol

  • Robert Jeffcoat
    Robert Jeffcoat Jan 24, 2019

    short or plug in not secured on your fuse /relay board under left kick pannel

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Prndl error on message center on my 2003 ford expedition. It won't turnover, start or crank. I hear a clicking noise in fuse box when I turn the key...HELP PLEASE...


Hello Shanique Reddick,

I had to star at your PRNDL word for a second
before I realized ... that is your
AUTOMATIC SHIFT Sequence letters...
PARK, REVERSE, NEUTRAL, DRIVE... LOW.

I'd be wiggling the neutral safety switch around to see if there were any response there...

Do be VERY CAUTIOUS... if INDEED your
"NEUTRAL SAFETY switch is defective your car is ready for loco-motion (toto-cray = driverless possibilities)...

Get a sharp mechanic to TEST the switch...



Carnac the Magnificent

Jan 27, 2017 | Ford Cars & Trucks

1 Answer

Check backup aid


Backup aid not working - Ford Expedition Forum

www.expeditionforum.com > ... > General DiscussionApr 29, 2004 - 6 posts - ‎2 authors Join Date: Apr 2004. Location: ... Suddenly the reverse sensors stopped working. ...This may be a longshot, but if I saw a the message "Check Backup Aid", I'd look to see if a fuse had burned out. Share ... HTML code is Off.

Oct 01, 2015 | 2004 Ford Expedition

1 Answer

2004 ford expedition backup sensor not working


See:

Backup aid not working - Ford Expedition Forum

www.expeditionforum.com > ... > General Discussion
Apr 29, 2004 - 6 posts - ‎2 authors Join Date: Apr 2004. Location: ... Suddenly the reverse sensors stopped working. ...This may be a longshot, but if I saw a the message "Check Backup Aid", I'd look to see if a fuse had burned out. Share ... HTML code is Off.

Oct 01, 2015 | 2004 Ford Expedition

6 Answers

What does PRNDL error mean?


check the seliniod under the shifter mine was faulty so i got an electrician to by pass till part came in

Sep 11, 2014 | 2003 Ford Expedition

1 Answer

PRNDL error nobackup aid is showing. Its not showing any mile to E nor milage on the dash. Also I had someone jump me for a little and it tried cranking up, it wasn't hooked up long. Does that mean it...


If you're finding it difficult to service/repair your car, get one of those
online manuals. You'll not have to wait for others to answer, or rely on mechanics and all. Plus i know a website that has very good manuals online, without expiry i.e. for lifetime. www.reliable-store.com

Mar 08, 2018 | 2003 Ford Expedition

2 Answers

Prndl error


PRNDL ERROR NO PARK ASSIST ITS A RELAY burn check your relays before you take it to the mechanic

Dec 21, 2012 | 2003 Lincoln Navigator

1 Answer

2002 Ford Expedition. Was driving perfectly. Turned car off to put gas. Finished putting gas but then car would not start and I get the following error msg: PRNDL power error. no backup aid


here is a service message that Ford put out,, if you check the fuses you will probably see a 20 amp fuse has blow,, try replacing that , if it blows again, you have to get it to the dealer 2008-10-06_132722_1.png

Sep 03, 2011 | Ford Expedition Cars & Trucks

1 Answer

The prndl erros is lighting uu,and my truck is not starting


Two possible causes are:

  • Defective Neutral Safety Switch
  • Transmission linkage needs adjustment

Apr 28, 2011 | 2003 Ford Expedition

1 Answer

My 03 Expedition will not start all of the lights and electronics work and climate control but will not turn over. It pops up PRNDL Error on the control panel. The battery is fine.


Hello, I went browsing and found your answer. I can tell what it is, but not exactly where it is. The problem is the PCM relay. I imagine it would be in one of the big Relay boxes under the hood.

This appears to be a common problem and diagnosing it can be done with a scanner. The error message is what throws mechanics off. Several people thought it was the neutral start switch and the actual PCM. There does not seem to be a reason for the part to fail all of a sudden.

Autozone ,Oreillys and some other parts places have photos of the parts and may be able to show you where this relay is. But at least you can call about availability and price before you go to get one.

Nov 21, 2010 | 2003 Ford Expedition

1 Answer

Ford expediton 2003 would start try 10 min later start up by the light inside truck is'nt working, the gas, speedometer, backup aid, windows.


Either the fuse is bad, or the connection to fuse block is bad which is common, or lastly, a faulty ECM

Oct 12, 2009 | 2003 Ford Expedition

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