What are the most common Mazda CX-50 problems?
According to Au7o's analysis of 4,500+ owner reports, the 2025 Mazda CX-50 has 9 documented issues. The most frequently reported are: Cylinder Deactivation Solenoid Failure with Metal Shavings in Oil (Naturally-Aspirated 2.5L), Accessory Trailer Hitch Bolts Under-Torqued / Hitch Can Detach — Recall 7225C (25V-167), Hybrid System Failure Warning / No-Start — Powertrain Gateway Unit Logic (TSB 30-001/25). Of these, 3 are rated critical and should be addressed promptly.
Is the Mazda CX-50 reliable?
The 2025 Mazda CX-50 has 9 known issues documented across 4,500+ owner reports. 3 issues are rated critical: Cylinder Deactivation Solenoid Failure with Metal Shavings in Oil (Naturally-Aspirated 2.5L) and Accessory Trailer Hitch Bolts Under-Torqued / Hitch Can Detach — Recall 7225C (25V-167) and Hybrid System Failure Warning / No-Start — Powertrain Gateway Unit Logic (TSB 30-001/25). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mazda CX-50 problems?
Repair costs for known Mazda CX-50 issues range from $0 to $1,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2023-2025 Mazda CX-50 Cylinder Deactivation Solenoid Failure with Metal Shavings in Oil (Naturally-Aspirated 2.5L)?
On the non-turbo 2.5L Skyactiv-G engine, the cylinder deactivation solenoid can fail at very low mileage, throwing a P3400 check engine light. In a documented 2025 CX-50 case the dealer found metal shavings in the oil filter and oil control valves and, after the code recurred, Ma… Severity: high.
What is the 2024-2025 Mazda CX-50 Accessory Trailer Hitch Bolts Under-Torqued / Hitch Can Detach — Recall 7225C (25V-167)?
2024-2025 CX-50 vehicles fitted with the Mazda Genuine Accessory trailer hitch may have mounting bolts that were not sufficiently tightened during installation. The bolts can loosen and the hitch assembly can separate from the body during towing or normal driving, creating a road… Severity: high.
What is the 2025 Mazda CX-50 Hybrid System Failure Warning / No-Start — Powertrain Gateway Unit Logic (TSB 30-001/25)?
2025 CX-50 Hybrid models can display a 'Hybrid System Failure' message on the instrument meter with the engine failing to start. Mazda traced this to improper logic in the Powertrain Gateway Unit (PT-GWU). The TSB applies to 2025 CX-50 Hybrids built before April 22, 2025 (VIN bel… Severity: high.
What is the 2023-2025 Mazda CX-50 Windshield Cracking Radiating from Driver-Side A-Pillar with Little/No Impact?
CX-50 owners report windshields that crack with little or no impact, with cracks often originating at the driver-side A-pillar or progressing rapidly from a minor pebble star into a full-length crack — a pattern attributed to stress fracturing rather than impact damage. Warranty… Severity: medium.
What is the 2025 Mazda CX-50 Forward Sensing Camera Mode-Setting Error / i-Activsense Malfunction — Recall 6824H (24V-649)?
Certain 2025 CX-50 vehicles (along with 2024 Mazda3/CX-30) left the factory with the Forward Sensing Camera in an incorrect mode setting, which can prevent automatic emergency braking and lane-keep assist from functioning and stop automatic high/low-beam switching. Mazda issued r… Severity: medium.
What is the 2023-2025 Mazda CX-50 Excessive Wind Noise from Roof Rails?
The factory roof rails on the CX-50 generate excessive wind noise at highway speeds (60+ mph). The fixed rail design creates turbulence that produces a prominent whistling or howling noise. Noise is speed-dependent and more noticeable without radio playing. Multiple NHTSA complai… Repairs typically run $0-$200. Severity: low.
What is the 2023-2025 Mazda CX-50 Transmission Hesitation on Acceleration?
The 6-speed automatic transmission in the CX-50 exhibits hesitation and delayed shifts when accelerating from a stop or during passing maneuvers. The torque converter lockup strategy and shift programming prioritize fuel economy over responsiveness, causing a noticeable lag. Some… Repairs typically run $0-$300. Severity: low.
What is the 2023-2025 Mazda CX-50 Infotainment System Lag and Slow Response?
The Mazda Connect infotainment system in the CX-50 suffers from slow response to commander control inputs, delayed map rendering, and laggy menu transitions. The system processor struggles with modern navigation demands and simultaneous Bluetooth/CarPlay tasks. Firmware updates h… Repairs typically run $0-$800. Severity: low.
What is the 2023-2025 Mazda CX-50 Turbo Wastegate Rattle on Cold Start?
The turbocharger wastegate actuator rattles audibly on cold start and during warm-up on the 2.5T engine. The wastegate flapper has slight play in its pivot, causing a metallic rattle until exhaust gas pressure and temperature stabilize. Mazda has acknowledged this as a characteri… Repairs typically run $0-$1,500. Severity: low.
