- The problem
- Vehicle description: class 8 trucks equipped with felsted electronic accelerator pedals. The return springs can break on the accelerator pedals that are equipped with stainless steel or electroplated wire return springs.
- The risk
- This condition could cause the pedal to go to full throttle if both return springs break, increasing the risk of a crash.
- The fix
- Replacement accelerator pedals equipped with return springs manufactured of music wire with one additional coil on each spring and with an organic coating, eliminating electroplating will be installed.
Vehicle safety record
1999 Mack DM Problems, complaints & recalls
No owner complaints about the 1999 Mack DM have been filed with NHTSA. It is covered by 2 recalls, the latest in October 2000 for the accelerator pedal.
NHTSA data checked
CAbout as many problems as a typical DM year, for its age
- Complaints
- 0
- Recalls
- 2
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
1999 Mack DM recalls 2
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
- The problem
- Vehicle description: heavy duty trucks built with bendix air abs with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted abs activation at low speeds caused by 1) chafed abs wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
- The risk
- This condition could cause the abs ecu to exhaust the air at the air brake modulators for one or more of the wheels. This could result in extended braking distances and a possible crash.
- The fix
- DEALERS WILL REPLACE THE ABS ECU.
What owners say
Be the first DM owner to share.
Problems or none - your experience is exactly what the next buyer is looking for. Write it now
No complaints about the 1999 Mack DM yet
No owner has filed a complaint about this vehicle with NHTSA. If yours has a problem, share it here and report it to NHTSA.
Mack DM: every year compared
All DM years1999 Mack DM vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 1999 Mack DM | 0 | 2 | C | |
| 1999 Mack Mack | 2 | 0 | A | Compare |
| 1999 Mack MR | 1 | 5 | F | Compare |
| 1999 Mack CL | 1 | 6 | F | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 1999 Mack DM
Does the 1999 Mack DM have any recalls?
Yes - NHTSA lists 2 recalls for the 1999 Mack DM: accelerator pedal (October 2000); antilock (September 2000). Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
How many complaints has the 1999 Mack DM had?
None have been filed with NHTSA so far.
Is the 1999 Mack DM a reliable vehicle?
Its Safety Index is 50 out of 100 (grade C: about as many problems as a typical Mack DM year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
What should I do if my 1999 Mack DM has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data