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2006 Explorer 4.0. PCM/instrument cluster replaced/programmed but the dreaded wrench icon is lit

Discussion in 'Stock 2006 -2010 Explorers' started by se9303, March 5, 2018.

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    1. se9303

      se9303 New Member

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      Hello to all,

      My wife's 2006 Ford Explorer 4.0 ran into a no start/no crank situation 2 weeks ago and we had it taken to a mechanic shop for diagnosis/repair. They determined the instrument cluster had gone bad (CAN communication was cut off and thus no crank/start) but then when they replaced the cluster and programmed it, the truck would not start. They verified the PCM and noticed there was water residue (I had washed the engine back in November 2017 and recall spraying water all over the area where the PCM is, so this probably gradually killed it) on the PCM. They replaced the PCM and the truck started up fine as they indicated. Well, I went to pick it up today, and surely it starts properly, but the powertrain malfunction indicator was on. We told the tech that this light was not present before this and all they could say was, "oh, you need to change the oil and/or some maintenance was needed. I explained to him that an oil change has nothing to do with that and as happens with lots of these places, they do not take corrective action. We called the owner and all he said was, "Well your truck did not start and now its working. If you want leave it here and we will tell you how much it will cost to fix this issue". OMG I was so angry, but decided to stay calm and just paid them and left with the truck. Very unprofessional individual. Since living in Texas, I have always been able to take care of any of the issues that the truck has encountered but this one gave me no other alternative than to sadly have to take it to a repair shop.

      First off, I scanned the vehicle with OBD Fusion to check for any codes, but says its all clean. Wish I had a Ford IDS system to work with this vehicle . Then I removed the negative cable for a few minutes to see if a reset was the issue, but I just comes back on. When you start the truck, the icon is off but about 2 seconds later it comes back on.

      What can be going on here? Can anyone shed some light into this? Any good DIY Ford members in the Arlington, Texas area?

      Both keys start the vehicle and the remote control works fine.

      Regards,
      Mark
       
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    3. Tech By Trade

      Tech By Trade Well-Known Member

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      Get a elm327 and use forscan to find out what code it is throwing.
       
    4. se9303

      se9303 New Member

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      Hi

      Thanks for your reply. The Forscan software looks really interesting and very user friendly. I just registered and downloaded the software. I am going to pickup the Elm 327 and get everything configured to see what is going on with this vehicle.

      Thank you

      Regards,
      Mark
       
    5. Tech By Trade

      Tech By Trade Well-Known Member

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      Make sure you get one that is forscan compatible. Some ebay specials run too slow and aren't compatible with forscan.
       
    6. se9303

      se9303 New Member

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      There is one on Amazon which indicates its made to work with Forscan

      Do you think this issue might have anything to do with any possible old stored codes on the used PCM that was installed? Or possibly a step the programmer missed when programming the PCM to my truck? The wrench icon was not lit before this problem occured. Truck serms to run without any issues but i want to ensure there isn’t anything else that might cause another breakdown. Right now, i am hesitant to use the truck as that wrench icon does not inspire any confidence on my part.
       
      Last edited: March 5, 2018
    7. gdgiordano

      gdgiordano Active Member

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      When you disconnected the battery did you tie the posi and negi together for about 10 minutes? If not you should. It causes a lot of things to reprogram
       
    8. se9303

      se9303 New Member

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      No i did not but is that safe to do?

      I saw a video of someone removing the negative post and connecting a clip on wire to the positive terminal for about 10 minutes

      Sorry for sounding frantic, but are any of these 2 procedures safe to do? So you say to takeboth posts off and tie them together?
       
    9. gdgiordano

      gdgiordano Active Member

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      I can’t promise anything but I did it on my 2010 a couple weeks ago just go get the trans and fuel mixture system reprogrammed due to my vehicle spending it’s whole life till now at wet sea level and now dry high desert. Make sure you disconnect the positive first. I would just use the negative terminal because it competes the circuits in a more natural way. Obviously do at your risk but a lot of issues on the gen 4 have been fixed this way. Even my 1997 needed this for the control trac system.
       
    10. se9303

      se9303 New Member

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      So remove positve terminal first, then the negative and tie them together with a wire?

      Sorry for asking but need to be sure how this is done
       
    11. gdgiordano

      gdgiordano Active Member

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      Don’t be sorry! I was wary too. Yea! Or if you have a bolt that’ll work you can use that too. Truth be told I just stood there a held it. Be sure to make sure they don’t touch anything else other than that other terminal wire.
       
    12. se9303

      se9303 New Member

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      Thanks for understanding. I have done coding/programming on my BMW and to tell you the truth i would prefer coding my BMW. But its a matter of learning how the Ford cars electronics work

      So i will remove both terminals from the battery and use a bolt to tie them together for about 10 minutes
       
    13. gdgiordano

      gdgiordano Active Member

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      Let me know how it goes! It should do everything on its own.
       
    14. se9303

      se9303 New Member

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      Will do. Tomorrow morning will test it

      Thank you
       
    15. gdgiordano

      gdgiordano Active Member

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      You bet! Also make sure you disconnect any programmers or scanners
       
    16. Tech By Trade

      Tech By Trade Well-Known Member

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      Its impossible to know unless you know what the code is that its throwing. Cant do that until you are able to pull it.
      As for pulling the battery cables and shorting them out. You are creating a path of less resistance for the current to discharge from all the components. It discharges any backup caps that are there to store memory for a short time if voltage is lost. Once you pull the hot side of the battery, the circuit is broken. you could pull either and touch it to the other, as there is no potential. infinite resistance with the battery out, terminals together is 0 ohms.
       
    17. se9303

      se9303 New Member

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      Thanks for your reply. So you advise that i hold off resetting the PCM until i scan and get the code or codes registered on the PCM?

      I should have the interface today to scan and find out whats going on
       
    18. Tech By Trade

      Tech By Trade Well-Known Member

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      If a reset clears it and it doesn't come back its worth it. Myself, I'm a little inquisitive, I would probably pull the code, just to see what it was. That's just me.
       
    19. gdgiordano

      gdgiordano Active Member

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      If it runs and drives fine right now I’d just wait for the interface!
       
    20. se9303

      se9303 New Member

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      Ok. Just did a scan and get the following:
      PCM P1000-FF. Says among other things “ The vehicle is new from the factory and has not yet been through a complete OBD drive cycle

      Says this will clear when all OBD monitors are ready

      IC U0159 -60 lost communication with parking assist control module A. Module: instrument cluster

      IC U1900-60 CAN communication bus fault
      Malfunction indicator light is off for this dtc

      GEM B2276-60 less than 2 transmitters programmed

      So what do you guys think?


      Needs readiness monitors to set themselves to “ready status” to get rid of the “wrench” icon on the instrument cluster?
       
    21. Tech By Trade

      Tech By Trade Well-Known Member

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      Sounds like your ecu thinks you have park assist and is looking for sensors. Do you have park assist?
       
    22. se9303

      se9303 New Member

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      No

      Could the car the donor PCM came from have this set in the PCM and thus causing this on my vehicle which does not have the park assist feature? If this was the case, how can this be disabled? Would doing the PCM reset connecting the battery terminals for 10 minutes be the next step? How should i proceed? So regarding the P1000 code and the information provided, would it be correct that once the OBD monitors get back into ready status, the wrench should go away?
       
      Last edited: March 6, 2018
    23. gdgiordano

      gdgiordano Active Member

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      Definately. I’m not sure if a ford dealer can flash a different setup into it or not.
       
    24. se9303

      se9303 New Member

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      Ok so would i be correct to say that the wrench icon lighted up on the instrument panel is due to PCM code P1000 and as stated by the information providec by ForScan that the vehicle has not gone through 1 full cycle of the OBD monitors in “ready” status?
       
    25. gdgiordano

      gdgiordano Active Member

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      I would definitely drive it for a week or so and see what happens.
       
    26. se9303

      se9303 New Member

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      Yep that is the plan of action.
       

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