NHTSA Complaint #11366933 — 2020 MAZDA CX-5

SERVICE BRAKES issue reported to NHTSA

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Crash

Complaint Details

ODI Number 11366933
Vehicle 2020 MAZDA CX-5
Component SERVICE BRAKES
Date of Incident
Date Filed
Mileage 412 miles
Crash Yes
Fire No
Injuries 0
Deaths 0
Vehicle Towed No
State OH

Consumer Description

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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