have a ddec 2 that keeps throwing up code 54 and then derates power. tried changing the vss still no luck.
ddec 2 code 54 speed sensor
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by irneet, Jul 14, 2020.
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by irneet, Jul 14, 2020.