Does the 2003 Mack DMM have any recalls?

1 recall found in NHTSA data as of September 22, 2026, covering: service brakes, air. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2003 Mack DMM recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2003 Mack DMM?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2003 Mack DMM recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

1 recall found in NHTSA data as of September 22, 2026

For the 2003 Mack DMM. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.

2003 Mack DMM recalls, newest first

July 17, 2003NHTSA 03V2530001,232 vehicles potentially affected

Service brakes, air › Supply › Check valve

Summary: 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.
Consequence: In this condition, the vehicle would not meet the emergency requirements of the standard.
Remedy: Dealers will replace the check valve. Owner notification began November 26, 2003. Owners should contact mack at 1-610-709-3337.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2003 Mack DMM were found in NHTSA’s complaint data.

Other 2003 Mack models

Most recalled 2003 vehicles

2003 Honda Accord (24 recalls)
2003 Honda Civic (24 recalls)
2003 Honda Odyssey (15 recalls)
2003 Subaru Outback (15 recalls)
2003 Subaru Legacy (15 recalls)

All of 2003’s most recalled vehicles

Questions

Does the 2003 Mack DMM have any recalls?: 1 recall found in NHTSA data as of September 22, 2026, covering: service brakes, air. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2003 Mack DMM recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2003 Mack DMM?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.