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  1. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Now this is just getting weird. Today I climbed in the truck and, as usual, it started right up. But this time there were NO warning lights - no CEL, no lightning bolt - and it ran completely normally ALL DAY. I had not cleared the DTC codes and I had only driven about 8 miles since this...
  2. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    I don't know if it applies either but I already did it anyway and the problem happened again since.
  3. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Will take a look. Thank you.
  4. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Thank you for the info. My next question was going to be if anyone knew where I could find the wiring diagram! Thank you. Actually, in reading back through my own posts as well as the recent one above, this all started happening after the battery was replaced. The battery was replaced...
  5. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Good question - NO, this did not happen before the new battery. Before the new battery was installed the truck was jump-started. After the new battery was installed there was a CEL and a bunch of stored DTCs. I asked the dealership about it and they said that DTCs after a jump start and...
  6. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Thank you for that input. It very well could be a bad wire or connector somewhere but the dealership supposed checked and couldn't find anything wrong. It has run fine for 3 months (~1000 miles) since the last time it happened so trying to find the issue test driving is gonna be tough. Every...
  7. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Thank you for the info but I have a somewhat "less severe" problem. The truck always starts and runs fine but then for no apparent reason all of a sudden goes into limp mode while driving with "lightning bolt", CEL and a P2122 DTC code stored. If I shut the truck off and re-start it it runs...
  8. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    It is now March 9 and the truck has been running fine since my last post to this thread (3 months). But on my way home today, while waiting for a left turn, the "lightning bolt" came on and the truck once again went into limp mode. I checked the DTCs and, sure enough, it showed the same code...
  9. Jebb

    The future looks pretty sad.

    #1) Stop watching Fox news #2) Did you forget about the Ford Pinto, the Volkswagen Beetle and the Karmann Ghia? ALL of these gasoline-powered vehicles were notorious for catching on fire. And what about the "double bottom" gasoline tankers that were outlawed in several states (like Michigan)...
  10. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Cause was never determined. I don't know if it applies to gas or just diesels but I did the PPS recalibration procedure on the new PPS and, so far, the DTC hasn't returned. I believe the dealership may have flashed the PCM as well because it feels a bit different then it did before (shift...
  11. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Thank you for the input. All good suggestions. The dealer just called and conceded that they cannot find the problem. He said the next step in their procedure is to start replacing parts, beginning with the pigtail connector to the APPS - for $700. He said that it MIGHT be the cause but...
  12. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    OK folks - really hoping for some advice here. The dealer has had the truck for 10 days now and still can't find the problem. I don't know if they are actively working on it or not at this point. I need my transportation back! What do you guys advise? I replaced the Accelerator Pedal...
  13. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    2017
  14. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Well - it seems it is NOT fixed. Truck went into limp mode again last week with chime and CEL immediately on start up. I shut it off then re-started and it ran fine. I got to where I was going with no issues but then on my return trip it went into limp mode again less than 1/4 mile down the...
  15. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    May I point out that the OE part failed - and at only 18,000 miles. I could buy another one of those from the dealer for $250 and hope it lasts or I could buy this Hella replacement part for $60 and hope it lasts. The decision was easy.
  16. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    A follow up for anyone interested/having a similar problem: I purchased a new Hella brand accelerator pedal and sensor assembly for $60 (including shipping) from Rock Auto. Looks identical to the factory part in every way. After installing the new part I started the truck and the check engine...
  17. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    I'm sure there is but I don't want to shop-hop until I find one. Meanwhile I do know plenty of bad ones nearby who could actually make the problem worse... My experience with local mechanics is that they typically have broad/generic knowledge and generic tools. They're good at basic repairs...
  18. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    I ordered a new Accel pedal/sensor assembly for less than what the dealer charges just to bring it in the door. Will give that a try first. But yes, I will stop at that first attempt. If it turns out to be a computer/wiring/other problem I will have to go to the stealership and face the music.
  19. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    It's been over 500 miles since the issue I posted here and all was well. The stored DTCs (P2122 and U1428) cleared by themselves after 50 miles - so I thought it was just a fluke - but it happened again today. I pulled up to a traffic light and a second later got a chime, check engine light...
  20. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Just got back from doing exactly that! Ran fine. No fault lights came on but the stored DTCs (P2122 and U1428) are still there and still show "Permanent". Don't know if they'll clear by themselves after 50 miles or not. We'll see. But in the meantime I'm a little hesitant to take this thing...
  21. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Yeah - that's an easy thing to try. Will do.
  22. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    I understand why it was asked but no, I don't have a pedal commander. I put the scanner on it again today to do a battery check (which read "Good" BTW) but I discovered there is a second DTC that I didn't see yesterday - U1428 "Engine Torque Request Signal Stuck". I don't have any idea what...
  23. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Now that you mention it, I vacuumed the carpet in the truck the day before. What "pedal is plugged in" do you mean? Is there a connector at the gas pedal that could have been bumped loose? Will look.
  24. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Yes, I will check - thank you for those suggestions. It's a brand new battery (~3 months old). The truck started easy/normally and was running for about 20 minutes before this happened. My scanner has a battery load test function - will give that a try. Will also check batt terminals and TPS...
  25. Jebb

    Truck went into limp mode with "ETC" warning light - stored P2122

    Today while driving I went to accelerate from a light and got a chime and a big red "ETC" warning on the instrument panel. A little red ETC warning light at the bottom of the panel also came on. The truck went into limp mode. It seemed like it was locked in second gear as it took more throttle...

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