Wiring Problems of Mazda CX-5

The contact owns a 2016 Mazda Cx-5. The contact stated while driving at various speeds, the seat belt warning light illuminated. The vehicle was taken to an independent mechanic where the contact was informed that there was short in the wiring harness and the module needed to be replaced. Additionally, while the mechanic was working on vehicle, the side curtain air bags inadvertently deployed. The local dealer was not contacted. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 50,000. Invalid VIN. ## #vpic# 1 - check digit (9th position) does not calculate properly; 3 - VIN corrected, error in one position (assuming check digit is correct); 14 - unable to provide information for all the characters in the VIN. #vpic#.

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Purchased brand new 2020 Mazda Cx-5 on sept 25, 2020. On sept. 29, 2020 with < 500mi: while traveling approximately 45 mph on county road, pressed brake pedal and the pedal did not move. Several malfunction lights flashed including "power steering malfunction", "Smart city brake support malfunction". Repeatedly slammed on the brake pedal and it did not move at all. Tried to swerve to avoid a vehicle but the steering was unresponsive. Impacted a vehicle at a red light. Mazda service said that there was no indication that the brake was engaged before the impact except for a "hard brake event" which based on the cdr data was probably the impact avoidance system braking the vehicle. As an engineer familiar with this type of system but not this particular system specifically, I suspected a low voltage event that knocked out the brake booster and power steering. Vehicle was returned from the repair shop today oct 28, 2020. Headlights began to flicker, again an indication of low voltage or faulty wiring. I have taken video of the flickering, I have obtained the cdr report Mazda refused to provide although I requested to see it, and the service report indicating mass airflow & vacuum codes, both caused by low voltage event.

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Started car in driveway 2/10/19, 4 pm �engine sounded like timing was obviously abnormal. Random automatic braking noted when car in motion, within one block of leaving driveway. Immediate inability to accelerate beyond 10-12 mph experienced. Error messages then observed on car dashboard warning sectors: check engine; traction control: tire pressure monitoring; Smart city brake support malfunction-forward scbs disabled. Car unsafe to drive to dealer 12 miles away. Car towed to dealer site 2/11/19 Monday am. Car has 28,330 miles per odometer; service maintenance up to date, as manufacturer recommended. Dealer assessment of cause on 2/11/19 reported as �rats nesting in engine and eating through soy insultation on wiring on engine harness. � repair costs of > $1,500 estimated. It seems that insulating engine component with nutrients attractive to nesting, ubiquitous vermin is a serious safety concern for car owners and users. Any NHTSA guidance on this critical issue?.