Will Not Crank


Hovey30

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2006
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Ford Ranger
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Hi guys. I have a 2006, 2wd 3.0L auto Ranger. It will not crank. I have checked the pcm relay output which is good to the pcm. All fuses are good. Key on acc, no CEL and my scanner will not read the pcm. The theft light goes out on acc as well. No fuel relay and no start relay signals from the pcm. Any suggestion what to check next? I havent been able to find a 104 on connector diagram to check the rest of the I/O if anyone has one. Thanks in advance.
 


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gungfudan

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Is the truck turning over?
 

Hovey30

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No. I have looked a bit deeper into this. I determined that the PCM is receiving all of the correct voltages however it is not operating either the start relay or the fuel relay. I replaced the PCM and now I have the check engine light and a flashing theft light because my original key and PATS dont match which is fine. I need to tow it to our local dealer now and have another key made and the PCM flashed. I hope.
 

gungfudan

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glad you figured it out. keep us posted
 

Dirtman

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Might wanna call the dealer and verify they can/will do it. Ecu on a 2006 is married to the instrument cluster. It takes more than just getting the Pat's reprogrammed, they need to reprogram the ecu to your old instrument cluster and ford is VERY VERY iffy with doing that stuff. They got sued hard for odometer fraud which is why the instrument clusters became intertwined to the ECU. It makes what you're trying to do extremely difficult but also makes it impossible to commit odometer fraud.

You can do the keys yourself for 30 bucks if you have a laptop. Forscan software does it (free but the obd2 adapters cost 30 bucks). Just need 2 keys pre cut to your ignition. No way around the instrument cluster though... that's up to the dealer. But as I said, be warned the dealer may not want to touch it.
 
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Hovey30

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Okay, this is amazing information. I might roll the dice and get a key cut and buy the obd2 adapter and software if I can find it. Thanks very much.
 

Dirtman

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466.63 teaspoons.
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2WD
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So friggin big!
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Give me money.
Forscan.org has the software. Free to download and use, need a windows laptop, dont work with apple. Go on amazon and search for "usb elm327 adapter" I forget which exact one I got, but just look in the description and make sure it says works with forscan and the reviews are good. Also make sure it has a HS/MS can switch. And as I said you MUST have TWO pre cut chipped keys ready to go before you start.

Again THIS IS JUST FOR THE KEYS. It can flash the ecu (restore it to factory settings) which I really advice against. It will absolutely NOT help with the cluster compatibility issue. You will continue to get a no start scenario until you deal with that whole disaster.
 


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