Mack CHU613 ABS/ATC

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by steve092, Apr 16, 2023.

  1. steve092

    steve092 Light Load Member

    298
    79
    Dec 7, 2015
    0
    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
     
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