2020 MAZDA CX-30 — Problems, Recalls & Safety Data
5/5
Safety Rating
47
Owner Complaints
3
Recalls
199
Service Bulletins
0
Investigations
Overview of the 2020 MAZDA CX-30
The 2020 MAZDA CX-30 has received a total of 47 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). It earned an overall safety rating of 5 out of 5 stars in NHTSA's New Car Assessment Program crash tests. There have been 3 recall campaigns affecting this vehicle, covering issues with STRUCTURE:BODY:HATCHBACK/LIFTGATE, FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS, SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. 199 technical service bulletins have been issued by Mazda Motor Corp. for this model year. The most commonly reported problems involve the Unknown Or Other (9 complaints), Service Brakes (7 complaints), and Engine (5 complaints).
Recalls for the 2020 MAZDA CX-30
NHTSA has recorded 3 recalls for the 2020 MAZDA CX-30, potentially affecting up to 49,991 vehicles.
Recall 21V086000 — STRUCTURE:BODY:HATCHBACK/LIFTGATE
| 13,857 vehicles affected
Defect: Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is parked facing uphill on a slope.
Consequence: If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury.
Remedy: Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge. The recall began April 8, 2021. Owners may...
View full details →Recall 20V347000 — FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
| 12,097 vehicles affected
Defect: Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank may be disconnected, possibly allowing fuel to leak from the charcoal canister vent at the rear of the vehicle.
Consequence: A fuel leak in the presence of an ignition source may increase the risk of a fire. Additionally, the engine may stall while driving, increasing the risk of a crash.
Remedy: Mazda will notify owners, and dealers will inspect the evaporative vent hose in the fuel tank. If the hose is disconnected, it will be reconnected and the charcoal canister with some related parts will be replaced. Repairs will be performed...
View full details →Recall 20V346000 — SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
| 24,037 vehicles affected
Defect: Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
Consequence: Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Remedy: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24,...
View full details →Owner Complaints for the 2020 MAZDA CX-30
47 complaints have been filed with NHTSA for the 2020 MAZDA CX-30. Below is a breakdown by vehicle component.
| Component | Complaints | Crashes | Fires | Injuries | Deaths |
|---|---|---|---|---|---|
| Unknown Or Other | 9 | 0 | 0 | 0 | 0 |
| Service Brakes | 7 | 1 | 0 | 0 | 0 |
| Engine | 5 | 0 | 0 | 0 | 0 |
| Fuelpropulsion System | 5 | 1 | 0 | 0 | 0 |
| Electrical System | 4 | 0 | 0 | 0 | 0 |
| Power Train | 3 | 0 | 0 | 0 | 0 |
| Structurebody | 3 | 0 | 0 | 0 | 0 |
| Forward Collision Avoidance Automatic Emergency Braking | 2 | 0 | 0 | 0 | 0 |
| Seat Belts | 2 | 0 | 0 | 0 | 0 |
| Suspension | 2 | 0 | 0 | 0 | 0 |
| Electrical Systeminstrument Panelspeedometerodometer | 1 | 0 | 0 | 0 | 0 |
| Exterior Lighting | 1 | 1 | 0 | 0 | 0 |
| Steering | 1 | 0 | 0 | 0 | 0 |
| Visibilitywiper | 1 | 0 | 0 | 0 | 0 |
| Wheels | 1 | 0 | 0 | 0 | 0 |
Most Recent Complaints
My 2020 Mazda CX-30 has an intermittent no-start condition caused by a complete electrical failure. This occurs randomly, often overnight and after long or short trips. When it happens: The car does not respond to the key fob or ignition Dashboard warning lights are off Vehicle cannot be started, creating a safety risk if it occurs during travel or in an emergency The defect began during car's full warranty period and has persisted despite multiple service visits and battery replacement. The dealer has been unable to diagnose or correct the issue, and Mazda Corporate is aware of the defect under case Case Number 00398310. After about two years of these intermittement failures, and parasitic draws ruled out, I paid to have the Battery replaced, independently of Mazda and the battery failed yet again. Routine diagnostics have not resolved the defect Issue is intermittent and unpredictable This is a Safety Risk as the Car has failed to start when needed on numerous occasions, and has left me stranded. ALL of these Failures have occured without warning Mazda Corporate is aware and has requested dealership diagnostics. Dealership has not reproduced the problem. Issue remains unresolved as of 1/10/2026 Video documentation exists showing dealer inspection and inability to find failure source. I am submitting this complaint to NHTSA because the defect: Impairs the vehicle’s safe operation Has not been reliably repaired Represents a potential safety risk to the driver and public I request that this complaint be recorded for investigation and included in any potential recall or safety evaluation. Service records available on request Emails with Mazda Corporate als available Video of dealer inspection showing intermittent failure avaialble
The front camera didn't operate properly The brakes have an elongated stopping distance
The front camera didn't operate properly The brakes have an elongated stopping distance
The front camera didn't operate properly The brakes have an elongated stopping distance
There is a module that should connect to the hatch door to open. That module in no longer available. Without the hatch door opening, in case of side impact and being pushed into something else, there is no way to get out of the car. This poses a serious safety hazard. I have contacted the Mazda dealership and I am told that the part is "retired" and there is no replacement part at this time.
Safety Rating for the 2020 MAZDA CX-30
The 2020 MAZDA CX-30 received an overall safety rating of 5 out of 5 stars from NHTSA's New Car Assessment Program (NCAP).
| Test Category | Rating |
|---|---|
| Overall Rating | ★★★★★ (5/5) |
| Frontal Crash | ★★★★★ (5/5) |
| Side Crash | ★★★★★ (5/5) |
| Rollover | ★★★★☆ (4/5) |
Safety ratings are based on controlled crash tests conducted by NHTSA. A 5-star rating indicates the highest level of occupant protection.
Technical Service Bulletins for the 2020 MAZDA CX-30
Mazda Motor Corp. has issued 199 technical service bulletins (TSBs) for the 2020 MAZDA CX-30. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
09-002-26 — STRUCTURE:BODY
On some vehicles, the front door glass run channel may interfere with the rear door garnish. Since the front door glass run channel is not fixed strongly enough to the door, repetition of door operation may result in interference and damage to the rear door rubber seal. 1. When the...
SA-017-25c — UNKNOWN OR OTHER
Mazda Connected Services - Frequently Asked Questions
09-007-25 — STRUCTURE:BODY
Some vehicles may exhibit a deformed fuel-filler lid panel (1) attached to the fuel-filler lid box, resulting in a poor appearance. This concern is caused by the lid box not having enough water drainage capability which leads to the accumulation of water inside it. The water then freezes in cold...
SA-004-25 — ENGINE
Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery power consumption is restricted, thereby extending the transmitter battery life. NOTE: Some customers may complain about an engine no start. This may be caused by the customer inadvertently putting the key transmitter in...
09-051-24 — STRUCTURE:BODY
On some vehicles, the front door glass run channel may interfere with the rear door garnish. Since the front door glass run channel is not fixed strongly enough to the door, repetition of door operation may result in interference and damage to the rear door rubber seal.
CSP12 FAQs — FUEL/PROPULSION SYSTEM
CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign. Repairs are not to be made unless there is a confirmed low-pressure fuel pump failure within the coverage period. As of November...
SA-073-24a — ENGINE
A new cylinder head assembly for service parts has been newly established for SKYACTIV-G 2.5 with cylinder deactivation when replacement is needed. Valves, valve springs, valve spring seats, and cotters (IN/EX) are included in the new assembly. Hotline and MASH authorization is not required to order parts for performing this...
SA-009-24d — ELECTRICAL SYSTEM
Mazda Connect Services - Frequently Asked Questions (FAQ)
04-001-24b — SERVICE BRAKES
Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake. This is due to rust on the rear brake disc plate. The brake pad has insufficient disc-rust prevention performance, resulting in the disc plate rusting. To eliminate this concern, the pad material...
SSPC5 FCa — FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
SSPC5 - SPECIAL SERVICE PROGRAM - 2019-2021 MAZDA3 AND 2020-2021 CX-30 - CONTROL UNITS REPROGRAMMING Concern 1: Mazda3 and CX-30 – Battery concern On the subject vehicles, the CCU (climate control unit) and BCM (body control module) may not go into sleep mode even after the ignition is switched OFF...
Showing 10 of 199 technical service bulletins.
NHTSA Investigations for the 2020 MAZDA CX-30
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MAZDA CX-30
- 2020 MAZDA CX-30 (current)
- 2021 MAZDA CX-30 — 123 complaints
- 2022 MAZDA CX-30 — 41 complaints
- 2023 MAZDA CX-30 — 32 complaints
- 2024 MAZDA CX-30 — 34 complaints
- 2025 MAZDA CX-30 — 36 complaints
Other MAZDA Models
- MAZDA MAZDA3 — 3,974 total complaints
- MAZDA 626 — 3,877 total complaints
- MAZDA CX-5 — 3,005 total complaints
- MAZDA MAZDA6 — 2,906 total complaints
- MAZDA TRIBUTE — 2,830 total complaints
- MAZDA CX-9 — 1,786 total complaints
- MAZDA CX-7 — 1,539 total complaints
- MAZDA PROTEGE — 1,377 total complaints