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Total NHTSA Complaints
19
Owner filings recorded
#1 Reported Problem
Electrical System
4 reports (21.1%)
Crash Incident Reports
1
Filings citing a crash
Fire & Injury Reports
1
0 fire • 1 injury filings
Defect Investigation Analysis

Executive Problem Findings

AutoUtility currently tracks 19 official NHTSA owner defect complaints for the 2020 Mazda CX-9. Electrical System issues are the most frequently reported category, appearing in 4 complaints (21.1% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more injuries.

Methodology Notice: Consumer complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Filings are not normalized for sales volume or vehicle mileage and do not constitute an audited component failure rate.
Incident & Severity Profile
  • • Total Owner Reports: 19 complaints submitted under federal penalty.
  • • Primary Subsystem: Electrical System accounts for 21.1% of submissions (4 reports).
  • • Secondary Systems: Engine & Cooling (4), Fuel & Propulsion System (3).
  • • Crash Incidents: 1 filings cite an impact or collision.
  • • Thermal Incidents: 0 filings cite smoke or fire.
  • • Reported Casualties: 1 injury filings • 0 fatality filings.
Category Distribution

Reported Defect Categories for 2020 Mazda CX-9

Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records

Electrical System
4
21.1%
Engine & Cooling
4
21.1%
Fuel & Propulsion System
3
15.8%
Driver Assistance & Safety Tech
3
15.8%
Brakes & Traction Control
2
10.5%
#1 21.1% SHARE

Electrical System

4 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
#2 21.1% SHARE

Engine & Cooling

4 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
#3 15.8% SHARE

Fuel & Propulsion System

3 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
#4 15.8% SHARE

Driver Assistance & Safety Tech

3 owner complaints submitted to NHTSA ODI for this subsystem.

✓ 0 Incidents
Deterministic Text Analysis

Recurring Symptoms Identified in Owner Reports

Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis

Engine & Cooling 15.8%

Engine Coolant Intrusion / Oil Leak

3 complaint narratives describe this symptom.

NHTSA Narrative Match
Consumer Filings

Recent NHTSA Owner Reports for 2020 Mazda CX-9

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Air Bags & Restraints ODI #11747446
Filed: 06/30/2026
⚠️ Crash Cited 🩹 1 Injury

"The contact owned a 2020 Mazda CX-9. The contact stated that while driving approximately 60 MPH, a second vehicle crashed head-on into the front of the vehicle. During the head-on crash, no air bags inside the vehicle deployed. The contact sustained a concussion and right eye injury and later..."

Fuel & Propulsion System ODI #11745213
Filed: 06/19/2026
Defect Report

"The mazda Cx-9 is having the same fuel pump issues that was recalled up until 2018 models. The issue with the lean codes and faulty fuel pump continues"

Fuel & Propulsion System ODI #11741400
Filed: 06/01/2026
Defect Report

"Prior to [XXX] The vehicle ran rough and sputter excessively. I took car to local repair shop. Diagnostic equipment determined the fuel injector needed to be replaced. Vehicle ran better but continued to sputter and ride rough on occasion. Prior to [XXX], the vehicle stopped operating properly. The..."

Driver Assistance & Safety Tech ODI #11724926
Filed: 03/17/2026
Defect Report

"Warning signal front camera sensor system malfunction Forward Smart City Brake Support malfunction When this initial happen the steering wheel becomes hard to maneuver than releases The front and back cameras are clear from any debris or obstructions What should I do next?"

Wheels & Tires ODI #11721291
Filed: 03/01/2026
Defect Report

"All 4 of my BH255/50R20 XL 109v NOKIAN WR G4 vehicle tires are exhibiting abnormal tread degradation and excessive sidewall cracking. The tire defect includes a circumferential crack along the top of all 4 tires, where the top of the tire's sidewall and tread base meet. Upon tire inspection, the..."

Multi-Year Trend

Complaint History for Mazda CX-9

Reported defect complaint volume across sibling model years (2015–2026)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2015 Mazda CX-9 35 1 2 View 2015 Problems →
2016 Mazda CX-9 99 3 0 View 2016 Problems →
2017 Mazda CX-9 61 0 0 View 2017 Problems →
2018 Mazda CX-9 126 4 2 View 2018 Problems →
2019 Mazda CX-9 53 1 2 View 2019 Problems →
2020 Mazda CX-9 Current Page 19 1 1 Current
2021 Mazda CX-9 37 7 1 View 2021 Problems →
2022 Mazda CX-9 9 1 0 View 2022 Problems →
2023 Mazda CX-9 12 3 0 View 2023 Problems →
2024 Mazda CX-9 0 0 0 View 2024 Problems →
2025 Mazda CX-9 0 0 0 View 2025 Problems →
2026 Mazda CX-9 0 0 0 View 2026 Problems →
Exhaustive System Audit

Detailed NHTSA Component Breakdown for 2020 Mazda CX-9

Complete distribution of consumer defect reports across all 15 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Injury Entries Fatality Entries
Engine NHTSA category: ENGINE 3 0 0 0 0
ELECTRICAL SYSTEM,UNKNOWN OR OTHER 2 0 0 0 0
Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM 2 0 0 0 0
Air Bags NHTSA category: AIR BAGS 1 1 0 1 0
Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION 1 0 0 0 0
Electrical System NHTSA category: ELECTRICAL SYSTEM 1 0 0 0 0
ELECTRICAL SYSTEM,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE 1 0 0 0 0
Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE 1 0 0 0 0
Powertrain NHTSA category: POWER TRAIN 1 0 0 0 0
POWER TRAIN,ENGINE 1 0 0 0 0
Service Brakes NHTSA category: SERVICE BRAKES 1 0 0 0 0
Structure & Body NHTSA category: STRUCTURE 1 0 0 0 0
Tires NHTSA category: TIRES 1 0 0 0 0
UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM 1 0 0 0 0
Visibility & Wipers NHTSA category: VISIBILITY/WIPER 1 0 0 0 0
Search Intelligence

Quick Answers: Common Problems & Reliability Questions for the 2020 Mazda CX-9

Direct, deterministic answers synthesized from verified United States government databases for the 2020 Mazda CX-9

What are the most common reported problems with the 2020 Mazda CX-9?

In official NHTSA consumer records, the most frequently cited issue area for the 2020 Mazda CX-9 is Electrical System, appearing in 4 records (21.1% of submitted filings).

Secondary reported categories include Engine & Cooling (4) and Fuel & Propulsion System (3).

Source: NHTSA Office of Defects Investigation (ODI)

Is the 2020 Mazda CX-9 a reliable vehicle?

AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 19 consumer defect complaints and 1 safety recall campaign for the 2020 Mazda CX-9.

Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.

Source: NHTSA ODI & Safety Recalls Databases

Are there crash, fire, or injury reports associated with the 2020 Mazda CX-9?

Among consumer complaint records on file with NHTSA for the 2020 Mazda CX-9, 1 filing cites a crash, 0 cite smoke or fire, and 1 report one or more injuries.

Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.

Source: NHTSA Office of Defects Investigation Consumer Logs
Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.