Hi everyone,
I purchased a truck that has the following issues.
Grade Gripper Malfunction (Hill Assist)
ABS
ATC
I have replaced the grade gripper solenoid and issue was still there had the vehicle scanned and came up with these 2 active codes.
"Steer Axle Right Wheel Speed Sensor Open or Shorted"
"Steer Axle TCV Solenoid open circuit"
I have repaired a shorted wire on the passenger side wheel speed sensor and that fixed my grade gripper issue. I don't know where to start to get rid of the ATC/ABS lights. Can't find the Steer Axle TCV solenoid on a 2014 Mack CHU 613
Mack CHU613 ABS/ATC
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by steve092, Apr 16, 2023.