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  1. ITGuy2020

    New 2022 RAM 1500 Laramie 4x2

    Well, I just turned in my 2019 RAM 1500 BigHorn 4x2 under the FCA “Buy Back Program” under California Lemon Law. You might ask, why another RAM truck? All car/truck manufacturers have their share of issues, but FCA was easy to work with. I have a friend that has a Chevy 1500 and is fighting in...
  2. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, I moved on. I turn my 2019 RAM 1500 Big Horn in next Thursday (Buy Back Program). Took my chances and bought a 2022 RAM 1500 Laramie 5.7L Hemi with eTorque. Talking with @Buckeye Nation a bit on this matter, we both concur that it has to be a computer programming issue. He also mention...
  3. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Sorry for the late response. I haven’t been on the forum for a while. On mine, they just couldn’t reproduce the issue. I spoke with the Director of Service (Ken) and he assisted me with the "Buy Back Process". They just completed the process earlier this month and I surrender my vehicle next...
  4. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    I really do want to buy “American” (No Toyota for me), but then again, who owns Dodge these days [emoji6] (Stellantis is in the Netherlands). I have a good friend who’s gone through 3 Ram 1500’s and never had any issues. He’s put over 250K mileage on the 1st one, the 2nd one was totaled due to...
  5. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, I’d finally had enough too. Took my truck back from the dealer today after a week and they couldn’t produce the problem. I did speak in person with the director of service at the dealer who has worked for Chrysler since 1984. He’s pushing the "Buy Back" as well. They basically have a...
  6. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, it’s happened 3x (3/6, 3/10 and 3/12), all slowing down, but not necessarily turning, since I got it back from the dealer. I had my BlueDriver OBD sensor on for two of these episodes and Control Module Voltage never fell under 14.5V as TX1500 reported. This thread was first started in...
  7. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    My issue started happening about a year and a half ago, and come to think of it, it has happened more during the summer than anything else. Yeah, I’ve been trying to initiate it too, but to no avail. Really hard to pin this thing down. Even in the summer months I’ve had it happen once a day or...
  8. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, I’ve had the truck back for a week and can’t get the problem to repeat. Every time I go on a drive, I hookup the BlueDriver OBD2 sensor in hopes to have it happen again. I’ve attached in my case what the dealer removed and what they saw pulling a current draw. I’ve put ~300 miles on it so...
  9. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    So day 1 since I got my truck back. Hooked up the BlueDriver sensor this morning and took my truck in for an oil change (unsure why the dealer didn’t notice the "Change Oil Soon" light and ask me if I wanted an oil change while I had it in for service already). Performed the live monitoring for...
  10. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    @Buckeye Nation , per our conversation yesterday, I don't blame you one bit. I picked up my truck yesterday after they removed the 3rd party GPS device and I know that doesn't apply to you, so I'm not confident this fixed my issue. I'm going to hook up my BlueDriver this morning and do a...
  11. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, here is an interesting one. The service advisor called me this morning and said they found a 3rd party GPS device on my truck that is causing intermittent voltage drops. I told him that truck is 100% stock and I hadn’t installed anything "3rd Party". He said most dealers (including theirs)...
  12. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Latest news…service advisor from OCCDJR called and left me a message that they spoke with a Stellantis engineer and they got authorization to replace the ignition button (why the ignition button, I have no clue) and look for any TCM updates (via Technical Bulletins) as well. They haven’t been...
  13. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Well, I just got off the phone with the service advisor. They are going to drive it again, but if they can't reproduce the issue, then I'll just pick-up my truck and deal with it. They are saying since I replaced the battery, that is what may have fixed the issue. I don't agree considering...
  14. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    All dealers are independently owned and operated and having a common database with issue doesn't exist IMHO. I'm using Stellantis (FCA) to help facilitate a dialog between LA and OC dealerships. Otherwise I'm SOL. @Buckeye Nation , do you know if the "engineers" who put a "flight recorder"...
  15. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    So I contacted my dealership and told them about your truck and issue and what they've done so far. They asked if I had a VIN #. I said "No", but they can contact Greg H. at the dealership. The service advisor called me this morning and said that the mechanic hasn't been able to reproduce the...
  16. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Let us know what happens after the ESM replacement. My truck is being serviced at OCCDJR and the Service Manager told me he has his best guy on it (18 years with the dealership). The Service Advisor mentioned that they are also conferring with a regional mechanic (possibly FCA corporate?), which...
  17. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Thanks for the link. Looks like the TSB 21-002-19 has to do with a flash update for the TCM. The TSB date was March 12, 2021, which I know hasn’t been performed on my truck. All what you state makes total sense. Also, with the ECM and voltage being below 14V when this issue triggers if it...
  18. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Yes, my truck is 100% stock. No upgrades whatsoever. Sent from my iPad using Tapatalk
  19. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    Which module are you monitoring voltage on? ESM or TCM? Seems like the issue starts when the voltage to the control module drops below 14V. Would the increase in engine load cause the drop in voltage? If so, why?
  20. ITGuy2020

    Transmission falling out of Drive on downshift, blinking, displaying "shift to P" and back

    How do you like your BlueDriver ODB2 sensor? Seems like you get a lot of detailed information. I really don’t like my FIXD and it requires a subscription as well, where BlueDriver doesn’t. I think you might be on to something with the voltage drop. The issue is why? I always experienced the...
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