2017 INFINITI QX80 Electrical System Problems

Made a right hand turn and vehicle shut off in traffic barley got into turn lane and vehicle died in the middle of the road, just got lucky a state trooper was behind us to hold traffic off.. would not restart no power, dead battery, put a jumper on the vehicle and it started enough to get out of immediate danger. After replacing a burned up alternator and battery twice it was found the battery current sensor was bad.

I am writing to report serious safety concerns regarding my 2017 Infiniti QX80. The vehicle has exhibited two primary issues: 1. Unintended Braking: The vehicle has a tendency to suddenly and unexpectedly brake, particularly when driving over specific road surfaces, such as brick-paved intersections. This behavior is extremely dangerous as it can lead to accidents, especially in high-traffic areas. Such abrupt braking can cause the vehicle to lurch forward, potentially leading to rear-end collisions. 2. Frequent Battery Drain and Failure: The vehicle's battery drains rapidly, requiring frequent replacement. Despite multiple visits to the dealership and attempts at repair, the issue persists. This problem significantly compromises the vehicle's reliability and can leave the driver stranded, particularly in emergency situations. I have taken the vehicle to an authorized Infiniti dealership multiple times to address these issues. While the dealership has attempted repairs, the problems have persisted. The frequency and severity of these...

The contact owns a 2017 Infiniti QX80. The contact stated while driving approximately 10-50 MPH in stop-and-go traffic, the vehicle loss motive power and stalled with the check engine warning light illuminated. The vehicle was towed to several unknown dealers to be diagnosed. The contact was informed that the TCU (Telematics Communication Unit) and ECM were faulty. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The approximate failure mileage was 90,000.