I'm not sure if Allison is a common subject, but I have a tour bus in the shop with a 500R Allison transmission. It has a fault code for P2793 - Gear Shift Direction Circuit and I was wondering if anyone can post or link me to troubleshooting this specific fault code? Thanks a lot!
Allison fault code P2793 Gear shift direction circuit
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 4vmach1, Jul 11, 2017.
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