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P2442 code

Discussion in '2nd Gen Tundras (2007-2013)' started by jrl, Jun 21, 2016.

  1. Jun 21, 2016 at 9:23 AM
    #1
    jrl

    jrl [OP] New Member

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    Was getting P2442 code I found using an OBD11 wifi module (20.00 on Amazon) with "torque" app on my android tablet. Symptom before finding the code was check engine light lit and flashing 4LO light, truck would got into "Limp mode" Very scary when this first happened, first couple of times this happened was able to reset computer by removing battery ground cable which cleared the problem. After using the OBD11 module the next time it happened was able to clear the code with the torque app, this happened a couple of times. was able to save the error P2442 code on the tablet. Took the tundra to Toyota as there is an extended warranty to fix this problem. While at the dealer they told me there was some kind of software upgrade recall to fix some other problem (can't recall what they said it was for) They would not fix the problem causing the P2442 code as they said they would have to see it on their own diagnostic machine but were not able to reproduce it. They suggested that the next time it happened I just leave it as is and have the truck towed to their service department. I live about 100 miles from the dealer. Any way, the problem has not reoccurred since then and its' been more that 2 weeks since then. I'm wondering if the software upgrade had something to do with this or if the problem is still going to reoccur. Anybody have any thoughts.
     
  2. Jun 21, 2016 at 9:27 AM
    #2
    Nor7

    Nor7 Chilton Manual Guy

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    Oh boy, you've got some reading to do. Good news is, Toyota will pay for it all since you fit in the recall window assuming you have less than 150,000 miles. Read the attached.

    You need to call Toyota HQ (not your local dealer) immediately and inform them.
     

    Attached Files:

  3. Jun 21, 2016 at 9:29 AM
    #3
    Nor7

    Nor7 Chilton Manual Guy

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    Oh, and the 'software upgrade' changed the valve timing of the AIP system to prevent backflow into the AIP pumps but it won't stop the issue from ingressing water from the inlet side. Rest assured the issue will come back. You're probably only having intermittent issues right now but it will fail again.
     
  4. Jun 21, 2016 at 10:08 AM
    #4
    jrl

    jrl [OP] New Member

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    Great, thanks for your reply, just got off the phone with Toyota customer service, (1-800-331-4331), talked to them for quite awhile but they still insisted that the dealer would have to verify the code themselves. They would not authorize the repairs under the extended warranty otherwise. This is a dangerous situation if the problem were to occur while on a busy interstate and the truck would go into limp mode. They did say that they would pay for the tow to the dealer if it could be proven that the problem was related to the P2442 code. I wish they would just do the repair with out having to go through the hassle of waiting for a reoccurence and towing the truck all that way, but they won't budge. Anyway thanks very much for you help, really appreciate it.
     
  5. Jun 21, 2016 at 10:18 AM
    #5
    Nor7

    Nor7 Chilton Manual Guy

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    Where do you live? If you live near me you can borrow my code scanner. The trouble code has to repeat itself several times before it throws a check engine light and initiates limp mode. Chances are you may have the code back already but without becoming permanent and throwing a check engine light yet. O'Reilys or Autozone will scan you for free.
     
  6. Jun 21, 2016 at 10:20 AM
    #6
    Nor7

    Nor7 Chilton Manual Guy

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    Also, regarding the limp mode, it's scary (happened to me when I was dealing with this) but not too dangerous unless you're towing uphill. Towing is a good idea especially if they pay for it but if you're close to the dealership you can 'limp' there without issues.
     
  7. Jun 21, 2016 at 10:29 AM
    #7
    jrl

    jrl [OP] New Member

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    I live in Socorro NM, probably not close, but I just checked with my scanner and it does not show an error code at this time. Thanks for the offer, appreciate it..
     
  8. Jun 21, 2016 at 11:29 AM
    #8
    bobeast

    bobeast really old member

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    - Bull Bar, - HID Bunny Burners - AMP retractable running boards, - Headlight leveling retrofit - P1 Brake Controller - 60% rear seat delete - relocation of Sub to rear wall. - 3/1 leveling kit - Firestone Air bags - on-board compressor with auto-leveling, - Dual Undercover Swing Boxes. - P285/65/R20 (34.6") BFG TA KO2's - TRD Front skid plate - Pop & Lock Tailgate lock (soon) - Remote Tailgate mod (soon) - LED Headlights (soon) - Nav Bypass - iPhone integration - Serius/XM retrofit
    Wow. That seems overly bureaucratic. Even though you have cleared the code, it should still show up in the history.
     
  9. Jun 21, 2016 at 12:12 PM
    #9
    Wynnded

    Wynnded Wait, what?

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    It's likely in the history but his particular code reader may not be able to access it (history).
     
  10. Jun 21, 2016 at 12:55 PM
    #10
    jrl

    jrl [OP] New Member

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    Thanks for all your replies, When this happens again soon, I will probably have it towed to the dealer at their expense and let them worry about the cost of the tow since I am about 100 miles away I could not "limp" into the dealership on the Interstate too dangerous..
    Have had this truck for almost nine years now, only 60,000 miles, never a problem, always loved this truck but this one and only problem gives me second thoughts about every buying another one. Just don't get why they won't go ahead and fix it while its' driveable to the dealership. Thanks again everyone.
     
  11. Jun 21, 2016 at 1:09 PM
    #11
    Wynnded

    Wynnded Wait, what?

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    Corporate probably dictates what they'll reimburse the dealers for and what they won't. In this case the code may need to be "active", meaning that the CEL must be illuminated. Just speculation though.
     
  12. Jun 27, 2016 at 10:15 AM
    #12
    jrl

    jrl [OP] New Member

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    I had posted earlier that the P2442 code had not come back yet since I was at the dealer and they refused to do the AIP upgrade unless they could see the code. While there they performed this "Elsbos ecm software update" So far the P2442 code has not returned and have no problems, I did a little research on this software change and here is a little of what I found:

    Description
    In certain 2012 - 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve. If this occurs, the Malfunction Indicator (Check Engine) Light could illuminate and the vehicle could enter a “Fail-Safe” Mode (also known as “Limp-Home” Mode). If this occurs the vehicle’s power and speed will be reduced, which could inconvenience you and require immediate repair. Toyota has developed new Engine Control software logic to help prevent this condition from occurring.


    Remedy
    Authorized Toyota dealerships are requested to perform a software update at NO CHARGE to the vehicle’s owner. This LSC will be available until February 28, 2016, and will only be available at an authorized Toyota Dealer.


    Although mine is a 2008 it seems they did it anyway, I guess I don't really care how they fixed the problem as long as it doesn't reoccur. Seems like an attempt to save a few dollars over having to replace the whole AIP system. Thats' fine I suppose as long as it stays fixed..
     
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