Technical Service Bulletins

Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,686,952 Total Records
879 Vehicle Makes
1955–2025 Year Range
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Showing 2,701 bulletins for MACK

US799_5 Apr 1, 2022
MACK — MILITARY VEHICLE — 3 vehicle combinations
046200 SERVICE BRAKES, AIR:ANTILOCK:MODULATOR
MACK DEFENSE-IDTC_Pressure Modulator Valve, AA Left PMV CMN Open Circuit - Current Below Normal or Open Circuit
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US8_4 Apr 1, 2022
MACK — MILITARY VEHICLE — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Reverse Light (Relay) Output, Low
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US800_13 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Pressure Modulator Valve, AA Right PMV Configuration Error
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US800_5 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Pressure Modulator Valve, AA Right PMV CMN Open Circuit
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US802_3 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-PMV/TCV/ Common Shorted to Voltage
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US802_4 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-PMV/TCV/ Common Shorted to Ground
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US805_14 Apr 1, 2022
MACK — MACK
040000 SERVICE BRAKES, AIR
MACK DEFENSE-ATC Disabled to Prevent Brake Fade
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US751_8 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Gear Shift Direction Circuit
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US806_13 Apr 1, 2022
MACK — MACK
353000 EQUIPMENT:ELECTRICAL
MACK DEFENSE-TCV Configuration Error
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US806_3 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-TCV Solenoid Shorted to Voltage
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US806_4 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-TCV Solenoid Shorted to Ground
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US806_5 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-TCV Solenoid Open Circuit
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US810_7 Apr 1, 2022
MACK — MACK — 2 vehicle combinations
046300 SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
MACK DEFENSE-Wheel Speed Sensors Reversed on an Axle
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US815_13 Apr 1, 2022
MACK — MACK — 2 vehicle combinations
100000 POWER TRAIN
MACK DEFENSE-Additional Axle WSS Configuration Error
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US84_9 Apr 1, 2022
MACK — MILITARY VEHICLE
353000 EQUIPMENT:ELECTRICAL
MACK DEFENSE-Speedometer Missing
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US5891_4 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Transmission Fluid Pressure Switch 1 Circuit Low
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US751_9 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Lost Communication with Gear Shift Module 1
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US5891_3 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Transmission Fluid Pressure Switch 2 Circuit High
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US573_21 Apr 1, 2022
MACK — MILITARY VEHICLE
100000 POWER TRAIN
MACK DEFENSE-Torque Converter Clutch (TCC) System Stuck Off
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US56_3 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Mack SM Overvoltage
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US56_4 Apr 1, 2022
MACK — MILITARY VEHICLE
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Mack SM Undervoltage
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US790_8 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, SA RightWSS Erratic Sensor Signal
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US790_7 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, SA Right WSS Wheel End
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US790_2 Apr 1, 2022
MACK — MACK
110000 ELECTRICAL SYSTEM
MACK DEFENSE-Wheel Speed Sensor, SA Right WSS Open or Shorted
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US5877_2 Apr 1, 2022
MACK — MACK
100000 POWER TRAIN
MACK DEFENSE-Incorrect 1st Gear Ratio
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