code error anti-theft please reset system?

2014 RAM 1500
95,000 MILES • 3.6L • V6 • 4WD • AUTOMATIC
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JASWANJA
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bought a used engine and transmission with 67,000 miles. same year, 2014. My truck is a Ram 1500 Tradesmen, the donner truck is a Ram 1500 Longhorn. When i tried to start it for the first time i received the reset system error code and also the Anti-theft alert. I have read several different ways. How do i reset the system? My trucks
Vin- 1C6RR7FG4ES401600.
Feb 18, 2023 at 9:40 PM
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STRAILER
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I would first check the fuse # 12 and #22 under the hood and if they are okay you can try a hard reboot which is done by removing the negative side of the battery, with the cable loose from the negative side of the battery, hold it to the positive terminal for 1 minute this will discharge the memory capacitors in the BCM and PCM allowing the system to reboot. This should reset the system and allow it to relearn. Please let me know how it goes.
Feb 19, 2023 at 10:48 AM
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JASWANJA
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It had no effect. Same issue persists Anti theft error code please reset system.
Feb 20, 2023 at 11:27 PM
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JASWANJA
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Could the problem be because i installed a used engine out of a 2014 ram longhorn 1500? Might the PCM need to be reprogramed?
Feb 20, 2023 at 11:43 PM
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STRAILER
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That should not be a problem, lets connect a code reader to see what comes up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please go over this guide and report back.
Feb 21, 2023 at 8:42 AM