Engine control module (ecu/ecm): software
Risk. An unexpected engine shutdown can delay emergency responders and increase the risk of injury.
NHTSA has logged 1 owner complaint about the 2017 Freightliner Business Class M2, most often about the service brakes. It is covered by 15 safety recalls, and for recall 24V-924 the manufacturer reports only 27% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 11, 2024. Updated daily.
1 complaint grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Service brakes | 1 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. An unexpected engine shutdown can delay emergency responders and increase the risk of injury.
Risk. The improper lighting may confuse other drivers on the road, increasing the risk of a crash.
Risk. If a rapid loss of transmission fluid occurs while driving, it could result in a road hazard for other motorists, increasing the risk of a crash.
Risk. A engine stall may increase the risk of a crash.
Risk. The vehicle's rearward visibility may be reduced, increasing the risk of a crash.
Risk. Loose tie rod arm bolts may lead to separation of the tie rod arm, resulting in a loss of vehicle control, increasing the risk of a crash.
Risk. If the brake caliper mounting bolts loosen, braking performance may be reduced, increasing the risk of a crash.
Risk. Reduced braking effectiveness can increase the risk of a crash.
Risk. A rapid loss of air pressure in the secondary system could cause a similar rapid loss of pressure in the primary system, which may lead to a sudden application…
Risk. Unresponsive instrument clusters and/or turn signals can increase the risk of a crash.
Risk. Partial tread separation can increase the risk of a crash.
Risk. If "PARK" illuminates instead of the word "BRAKE," the driver will be unaware of a braking issue or malfunction, increasing the risk of a crash.
Risk. If the brake caliper mounting bolts loosen or detach, braking ability may be reduced, increasing the risk of a crash.
Risk. If a wheel separates from the axle, there would be an increased risk of a crash.
Risk. Caliper contact with the spring suspension may reduce the braking effectiveness, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Freightliner.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Business Class M2 median. How we score
Recent service brakes complaints filed with NHTSA, shortened. Personal details are removed.
VEHICLE WAS STATIONARY AND PARKED IN A RESIDENTIAL DRIVEWAY. THE TRUCK ROLLED FORWARD AND TRAPPED DRIVER UNDER REAR TIRE SET. DEFECTIVE PARKING BRAKE SYSTEM. DEFECTIVE PARKING BRAKE SPRINGS.
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.