Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
US791_13
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Tire Size Calibration
US791_2
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Open or Shorted
US791_8
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Erratic Sensor Signal
US934_3
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Left PMV HLD Solenoid Shorted to Voltage
US791_9
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Left WSS Output Low @ Drive-Off
US792_1
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Excessive Air Gap
US792_10
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Loss of Sensor Signal
US934_4
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Left PMV HLD Solenoid Shorted to Ground
US935_3
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Right PMV HLD Solenoid Shorted to Voltage
US935_4
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-DA Right PMV HLD Solenoid Shorted to Ground
US936_3
Apr 1, 2022
110000 ELECTRICAL SYSTEM
"MACK DEFENSE-AA Left PMV HLD Solenoid Shorted to Voltage"
USB15B684
Apr 1, 2022
130000 VISIBILITY
MACK DEFENSE-Heat Mirror Output Relay (Armored Only) Signal Below
US943_3
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-AA Right PMV REL Solenoid Shorted to Voltage
US792_13
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Tire Size Calibration
USB15B64A
Apr 1, 2022
130000 VISIBILITY
MACK DEFENSE-Heat Mirror Output Relay (Armored Only) Incorrect component
US792_7
Apr 1, 2022
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, DA Right WSS Wheel End