Table 1 shows one common steering related problems of the 2020 Buick Enclave.
| Problem Category | Number of Problems |
|---|---|
| Steering problems |
Vehicle suffered a catastrophic, uncommanded electronic and mechanical system failure within 30 days of purchase, resulting in a severe crash. Prior to the incident, the vehicle exhibited a violent, unexpected jerking motion while accelerating up a highway on-ramp, though control was briefly regained. A few days later at the end of may, while driving in the rain, the electronic systems completely failed with zero dashboard warning lights or error messages appearing. The vehicle completely overrode driver input, veering uncontrollably from lane to lane on its own. Simultaneously, a total loss of braking power occurred; pressing the brake pedal had no effect on reducing the vehicle's speed. To stop the runaway vehicle and prevent hitting other drivers, I was forced to intentionally steer the SUV into a physical wall. The impact deployed components, caused orange engine coolant to leak, and forced the electronic precision shifter into neutral on its own before the vehicle lost all electrical power. The steering wheel airbag deployed during this initial impact. Approximately 5 minutes later, while the vehicle was disabled on the road and after I had safely exited, a secondary vehicle struck my stationary car, which caused the majority of the remaining airbags to deploy. Detroit police responded to the scene and filed an official crash report noting that I 'lost control' and struck the wall, but the responding officer failed to document the mechanical/electronic brake and steering failure reported at the scene. This simultaneous loss of eboost braking control and electronic steering assist strongly aligns with the current federal safety investigation into gm vehicles (NHTSA case pe24011). The vehicle is currently parked and being preserved exactly as-is at my residence to serve as evidence, as the module memory holds the event data recorder (edr) data proving full brake application during the failure. I am requesting an immediate investigation into this VIN.
See attached document for complaint.
Steering wheel repeatedly locks while turning followed by loss of power steering. Also accompanied by warning messages such as "service esc", "park assist off", "steering assist is reduced drive with care", as well as the stability control and stability control off lights. Began in October 2023. Brought in to dealership 4 times in 5 months (waiting on loaner availability to bring in for a 5th time) and still not repaired. Dealership unable to replicate problem but finds error codes when diagnosing. Below is a summary of each visit to "fix" the problem: visit 1 (October 17, 2023): problem due to software out of date, reprogrammed the brake control module visit 2 (October 30, 2023): problem due to battery low voltage, replaced battery visit 3 (January 12, 2024): problem due to software out of date, reprogrammed power steering control module visit 4 (February 19, 2024): problem due to short in steering rack, replaced steering rack there is no pattern to when the power steering goes out or when the wheel locks. Must constantly drive on guard to be prepared. We live in a city and drive in a lot of traffic. It is dangerous to have the wheel lock while turning, causing the car to potentially head into traffic, pedestrians, curbs, etc.