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Discussion Starter · #1 ·
Working on our 2012 420 Rancher (TRX420FPA) and need some help/info. It threw a shift code 15, Shift Solenoid DTC and will no longer shift at all. I followed the service manual trouble shooting and everything has checked out which points at the PCM being bad. I cleared the codes and it just keeps coming back. I also replaced the shift motor and shift angle sensor because my dad had already bought them.

Has anyone replaced a PCM in one of these ranchers before? I planned to order a new pcm through Ronayers.com and install it. I just wanted to make sure I didnt need some honda dealership tool or programming to make it work in my atv? Also is there any reset or intiation procedure for a new ecm? I havent found anything in the service manual yet.

Thanks,
 
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