Mack DMM recalls
Every NHTSA recall campaign filed since 2000 that names the Mack DMM, newest first. Last verified Jul 30, 2026.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →All campaigns
- Jul 17, 2003Safety2003 Mack CH, 2003 Mack CL, 2003 Mack CV and 7 other models — Service Brakes, Air
CERTAIN HEAVY DUTY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." IMPROPER SEATING OF THE CHECK VALVE RETAINER IN THE BRASS FITTING HOUSING HAS OCCURRED. IT IS POSSIBLE FOR THE AIR BRAKE SYSTEM PRESSURE TO PUSH THE CHECK VALVE INTERNAL PARTS INTO THE PRIMARY SYSTEM RESERVOIR AND A VEHICLE OPERATOR WOULD NOT KNOW THAT THIS HAS HAPPENED.
03V253000 · 1K units · MACK TRUCKS, INCORPORATED
- Dec 21, 2001Safety2001 Mack CH, 2001 Mack CL, 2001 Mack CV and 4 other models — Steering
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH E-TECH ENGINES. A CONDITION EXISTS ON THE AUXILIARY DRIVE SHAFT OF THE E-TECH ENGINE THAT CAUSES THE LOSS OF POWER STEERING ON VEHICLES WHERE THE POWER STEERING PUMP IS MOUNTED OFF THE FRONT OF THE ENGINE.
01V389000 · 8K units · MACK TRUCKS, INCORPORATED
- Aug 1, 2001Crash risk2000–2001 Mack CH, 2000–2001 Mack CL, 2000–2001 Mack CV and 6 other models — Service Brakes, Air
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.
01V189004 · 8K units · MACK TRUCKS, INCORPORATED