The 2019 Mazda Cx-9 has 2 NHTSA recall campaigns affecting an estimated 121,184 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 70 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.
Consequence
Fuel pump failure may cause an engine stall, increasing the risk of a crash.
Remedy
Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.
TIRES19V7700002019-10-28146 affected
Defect
Mazda North American Operations (Mazda) is recalling certain 2019 CX-9 vehicles equipped with Sumitomo Falken ZIEX CT50 A/S tires, size P255/50R20 104V, having date code 1619. An incorrect rubber compound may have been used in the tire's manufacturing, allowing the tread to separate and detach.
Consequence
A detached tire tread can decrease vehicle stability and increase the risk of a crash.
Remedy
Mazda will notify owners, and dealers will inspect all four tire serial numbers, replacing the tires as necessary, free of charge. The recall began December 4, 2019. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4019J.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“My 2019 mazda cx-9 (vin [xxx]) suffered catastrophic cylinder head failure on the skyactiv-g 2.5t engine at approximately 124,000 miles. The failure is consistent with mazda tsb 01-013/21 (and successors 01-007/22, 01-010/24), in which mazda acknowledged that cylinder heads on this engine can…”
“- coolant leak at cylinder head and turbo at only 63,000 miles. - safety issue because no warning lamps or messages appeared and potential for car to overheat without coolant circulating in the system. Car could breakdown at worst time and location. Leaking coolant onto exhaust created potential…”
“Mazda has a current service alert ("sa", sa-001/23) for issues with their gen 6 infotainment center display, which covers issues (e.g. Ghost touch, surface peeling, spider cracks, and white dots) and defects the occur on the primary display of the car. This display provides the driver with…”
“1. What component or system failed or malfunctioned, and is it available for inspection upon request? Answer: engine failure due to overheating. 2. Safety & indicators: answer: during evening rush hour traffic on a 3 lane highway my car went into a form of engine power saving mode while I had…”
“The contact owns a 2019 mazda cx-9. The contact stated that a state inspection was performed on the windshield for cracks. The contact stated that while driving in the rain, the front windshield wipers turned on independently with the switch in the off position. The contact was unable to turn off…”
“The contact owns a 2019 mazda cx-9. The contact stated that a state inspection was performed on the windshield for cracks. The contact stated that while driving in the rain, the front windshield wipers turned on independently with the switch in the off position. The contact was unable to turn off…”
“Vehicle jumps while driving. And sometimes stalls.”
“Failed water pump, blown head gasket, major coolant leak, and warped head causing the vehicle to overheat and die when coming to a stop. Vehicle died when stopped in construction on a highway and we were nearly rear-ended. Vehicle never showed check engine light and temperature gauge never showed…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2019 Mazda Cx-9 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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