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Wont start! Says stay in Drive, dont turn off engine

Jesus is KING

New Member
May 11, 2025
2
0
Truck Year
2015
My boyfriend has a 2015 3.0 that he and a friend, a year ago, after some "DIY updates" like deleting emissions and who knows what(before my time), was having issues. Guess they worked on transmission, and I am under the impression, the shifter was in Drive when doing more computer stuff on ezlynk and something unknown has occurred. Won't start at all, keyfob wont turn all the way, all lights are glowing on shifter, on dash it says keep car in drive until safe, do not turn off engine, engine too hot, and I have hooked up obdii and each time new codes. Hooked up EzlynkI and also new codes. PCM error, Shifter module connection error, some fluid is low, some wiring is bad, some sensor is wonky and so on.. HELP ME PLEASE! I apologize for being so very ignorant and most likely too vague to attain a response! But need help and wanted to open up a dialog. Ask anything and I'll pretend i know the answer!

Oh yeah, we are broke, and my dad who has been a mechanic/transmission guy for 40, years passed away almost 2 years ago, and he was the only mechanic I've ever been to haha, so its all the "diy" advice I can get
 

1shadowsabre

Well-Known Member
Oct 18, 2015
889
364
Truck Year
2015
Welcome and good luck, if they deleted the truck w/o a proper tune designed for that purpose fixing it will be kinda like unscrambling an egg and getting it back in the broken shell.
I would say some reverse engineering would be in order.
 

Jesus is KING

New Member
May 11, 2025
2
0
Truck Year
2015
Welcome and good luck, if they deleted the truck w/o a proper tune designed for that purpose fixing it will be kinda like unscrambling an egg and getting it back in the broken shell.
I would say some reverse engineering would be in order.
 
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