Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
CBR-2342 202401
Jan 29, 2024
020000 SUSPENSION
CBR: Mack Medium Duty (MMD) Rear Suspension Bump Stop Bending
CBR-2341 202401
Jan 23, 2024
110000 ELECTRICAL SYSTEM
CBR: Battery Electric Vehicle (BEV) 3-WayValve Calibration Failure
CBR-2333 202401
Jan 18, 2024
110000 ELECTRICAL SYSTEM
CBR: TGW Will Not Connect After SIM Card Replacement
S3815 202401
Jan 11, 2024
010000 STEERING
Service Campaign: LR Power Steering Assist Cylinder Castle Nut Torque
CBR-2286 202401
Jan 1, 2024
060000 ENGINE AND ENGINE COOLING
CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
M-834-001 202401
Jan 1, 2024
110000 ELECTRICAL SYSTEM
TSB: Some Mack MMD trucks could experience an issue with the ignition lock cylinder sticking. Trucks that experience a sticking lock cylinder could have a lock cylinder that becomes tight or sticks in the start position. If the above condi
S3766 202312
Dec 21, 2023
110000 ELECTRICAL SYSTEM
Service Campaign: Mack trucks has determined that the CCCM (Combined Charging system Control Module) on certain LRBe model trucks could experience water intrusion causing damage to the CCCM.
S2964 202312
Dec 18, 2023
060000 ENGINE AND ENGINE COOLING
Service Campaign: Mack trucks has determined that certain AN model trucks built with an MP8 Turbo Compound engine that have had a reman TC unit installed could experience a failure with the reman TC unit.
S3837 202312
Dec 18, 2023
040000 SERVICE BRAKES, AIR
Fleet Campaign: For certain MDI Mack Trucks an updated adaptive cruise software has been developed.
S7644 202312
Dec 13, 2023
060000 ENGINE AND ENGINE COOLING
Service Campaign: Mack trucks has determined the certain AN, GR, PI and TE model trucks with a MP-8 could have a defective oil pick-up strainer.
S3608 202312
Dec 12, 2023
110000 ELECTRICAL SYSTEM
Service Campaign: Mack trucks has determined that certain LRBe model trucks may have been manufactured with a possible under torque condition on the traction voltage chassis ground bus bars.
CBR-2320 202312
Dec 1, 2023
060000 ENGINE AND ENGINE COOLING
CBR: 11L Engine - Air Conditioner (A/C) Line Damaged At Bracket - Model Year 2007 to Present.
CBR-2326 202312
Dec 1, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Engine Control Module (EMS) Software (MSW) Information October 2023 Improvement List (Change Log) - US20-OBD23 Emissions.
EC0028M 202312
Dec 1, 2023
060000 ENGINE AND ENGINE COOLING
Emissions Campaign: Mack Trucks has determined that certain 2014 - 2018 commercial model year CXU, GU, LEU, LR, MRU Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software.
S3036 202311
Nov 17, 2023
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Service Campaign: Mack Trucks has determined that certain LRBe trucks could exhibited insufficient cab heat. To improve cab heat a retro fit of trucks coolant circuit is needed. Please follow the instructions below to complete the needed re
S3750 202311
Nov 17, 2023
100000 POWER TRAIN
Service Campaign: Certain Mack GR and PI model trucks built with a D3 Dual PTO, have the incorrect length PTO mounting studs installed. With the incorrect studs installed there is a possibly of the retaining nuts coming loose and in certain
S3752 202311
Nov 17, 2023
100000 POWER TRAIN
Service Campaign: Certain Mack AN, GR and PI model trucks built with a D4 Dual PTO, have the incorrect length PTO mounting studs installed. With the incorrect studs installed there is a possibly of the retaining nuts coming loose and in cer
CBR-2323 202311
Nov 16, 2023
110000 ELECTRICAL SYSTEM
CBR: Active DTC P0A6649, P08F049, OR P0A5D49 fault code with ambient temperature slower than 20??A?C / 68??A?F
PSM23m2na71
Nov 10, 2023
100000 POWER TRAIN
Parts Sales and Marketing Bulletin: Mack Trucks is excited to announce an additional year warranty program on REMACK AMT mDRIVE Complete Transmissions. This extended warranty of 3 years or 350,000 miles on the transmission will be applicab
M-465-001 202311
Nov 7, 2023
100000 POWER TRAIN
TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.
CBR-995 202310
Oct 19, 2023
110000 ELECTRICAL SYSTEM
CBR: Telematics Gateway ( TGW, MID 142 ) Losing Communication With The Instrument Cluster ( IC ) - Counts Of Fault Code (FC) MID 140 PSID 239 FMI 12 Data Link, MID 142 Faulty Device or Component Logging, Possibly Following Engine Start.
CBR-399 202310
Oct 19, 2023
110000 ELECTRICAL SYSTEM
CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
CBR-206 202310
Oct 12, 2023
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CBR: Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common
CBR-2315 202309
Sep 29, 2023
350000 EQUIPMENT
CBR: Mack Chassis - Medium Duty - Front Bumper License Plate Mounting Holes