Check a vehicle VIN check Latest recalls Latest complaints Common problems Rankings Compare vehicles Recall roundups All makes Guides Share your experience
Theme

Acceleration & cruise control

Mack GU Acceleration problems by year

1 complaints filed with NHTSA about the Mack GU's acceleration & cruise control. Unintended acceleration, surging, throttle problems and cruise or adaptive cruise faults.

Acceleration complaints by model year

YearAcceleration complaintsCrashesInjuriesRecalls
20101000

Latest GU acceleration complaints

2010 Mack GUAcceleration & cruise controlEngine & cooling

Tl* the contact owns a 2010 mack truck gu712. The driver was traveling 30 mph and attempted to decelerate when the vehicle suddenly accelerated. The driver was able to apply the brakes and maintain control of the vehicle. The engine rpms increased 12000-17000, and continued to increase when the engine was shut off. The certified mechanic inspected the truck and replaced the throttle. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure and current mileage was 9,015. Updated...

Read the full complaint

05/12/14*lj the consumer stated while in operation, the unit was abnormally hard to maintain. When he proceeded from a stop, the throttle was above idle. The consumer was informed the throttle was defective.

Filed Incident Vehicle speed control · EngineNHTSA 10567416

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

Owners helping owners

Know before you drive.

Every experience you share - good or bad - shows on that vehicle's page and helps the next owner and buyer. Two minutes, anonymous.

Share your experience