Anyone ever deal with this Bendix DTC SPN 639 FMI 2 . Hill Assist Start switch flashing , truck runs/shift good , when i test the HAS solenoid works like suppose to.. should I look for datalink fault or faulty switch
International LT 2019
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Aleks_Andar, Feb 8, 2022.



