2024 MACK MD
5 recalls, 0 complaints - 24 TSBs
25V666000 Oct 6, 2025
SEAT BELTS:FRONT:ANCHORAGE
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Feder... Read more
Consequence
An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Remedy
Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov... Read more
24V333000 May 14, 2024
EQUIPMENT:OTHER:LABELS
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 MD and Terrapro vehicles. The Gross Axle Weight Rating (GAWR) listed on the vehicle certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of 49 CFR Part 56... Read more
Consequence
An overloaded vehicle can increase the risk of a crash.
Remedy
Dealers will remove and replace the label, free of charge. Owner notification letters were mailed May 28, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0463.
24V167000 Mar 1, 2024
PARKING BRAKE:INDICATOR LIGHT
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The park brake light may indicate the incorrect brake status due to an incorrect park brake pressure switch.
Consequence
The park brake light may indicate that the park brake is applied when it is not, possibly resulting in a vehicle roll away and increasing the risk of a crash.
Remedy
Dealers will inspect and replace the brake pressure switch as necessary, free of charge. Owner notification letters were mailed March 11, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0460.
23V746000 Nov 7, 2023
STEERING:CRITICAL FASTENERS
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2024 MD trucks. The steering wheel attachment bolt may loosen and separate from the steering shaft, causing the steering wheel to detach.
Consequence
A detached steering wheel can cause a loss of steering control and increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the repair has been performed. Dealers will replace the steering wheel retention bolt, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for th... Read more
23V605000 Aug 30, 2023
STEERING
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2024 MD6 and MD7 vehicles. The steering gear fasteners may not be properly tightened.
Consequence
Loose steering gear fasteners may result in a loss of vehicle control, increasing the risk of a crash.
Remedy
Dealers will tighten the steering gear fasteners, free of charge. Owner notification letters are expected to be mailed October 23, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0449.
No complaints found for this vehicle.
Technical Service Bulletins, 2024 MACK MD
24 manufacturer communications from 15 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 100000 POWER TRAIN | 5 |
| 060000 ENGINE AND ENGINE COOLING | 5 |
| 020000 SUSPENSION | 3 |
| 110000 ELECTRICAL SYSTEM | 3 |
| 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL | 2 |
| 200000 WHEELS | 1 |
| 010000 STEERING | 1 |
| 082300 FUEL SYSTEM, DIESEL:DELIVERY:PRESSURE SENSOR | 1 |
CBR-1008 202404
Apr 22, 2024
100000 POWER TRAIN
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
CBR-2013 202404
Apr 2, 2024
060000 ENGINE AND ENGINE COOLING
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
S3878 202402
Feb 12, 2024
050000 PARKING BRAKE
Service Campaign - MMD Brake Pressure Switch
S3878 202402
Feb 12, 2024
030000 BRAKES (PWS)
Service Campaign - MMD Brake Pressure Switch
CBR-2342 202401
Jan 29, 2024
020000 SUSPENSION
CBR: Mack Medium Duty (MMD) Rear Suspension Bump Stop Bending
CBR-2333 202401
Jan 18, 2024
110000 ELECTRICAL SYSTEM
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2016 202401
Jan 17, 2024
160000 STRUCTURE
CBR: Frame Or Cab Lean
CBR-2016 202401
Jan 17, 2024
020000 SUSPENSION
CBR: Frame Or Cab Lean
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
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.
M-258-012 202309
Sep 5, 2023
082300 FUEL SYSTEM, DIESEL:DELIVERY:PRESSURE SENSOR
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-014 202309
Sep 5, 2023
060000 ENGINE AND ENGINE COOLING
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-014 202309
Sep 5, 2023
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-012 202309
Sep 5, 2023
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-012 202309
Sep 5, 2023
060000 ENGINE AND ENGINE COOLING
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
S3513 202308
Aug 18, 2023
010000 STEERING
Service Campaign: MMD Steering Column Pivot Nut Torque
CBR-2112 202307
Jul 24, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2112 202307
Jul 24, 2023
110000 ELECTRICAL SYSTEM
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2112 202307
Jul 24, 2023
100000 POWER TRAIN
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-474-Ver5
May 2, 2023
100000 POWER TRAIN
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2273-Rev6
May 2, 2023
200000 WHEELS
CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
KC-2273-Rev6
May 2, 2023
100000 POWER TRAIN
CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
KC-2273-Rev6
May 2, 2023
020000 SUSPENSION
CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
M0230
Apr 24, 2023
060000 ENGINE AND ENGINE COOLING
EC: Mack Vehicle Emission Label
MACK MD - All Years Overview
Complete safety history for the MACK MD across all model years (2020, 2026).
17
Total Recalls
5
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths