Service bulletins for the 2025 Mazda CX-90
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
296 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Engine are shown. Show all
| SA-040-24 | 2024-10-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some customer may experience any of the following: Multiple Warning Lights On • Infotainment center display blank • Engine no start unless the key transmitter is placed near the start button • Interior lights do not illuminate • DTC P2507:00 - PCM, PCM POWER SYSTEM: (LOW INPUT) stored. • DTC U0156:00 - PCM, CAN communication system, Communication error with CMU (Connectivity Master Unit). |
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| SA-020-24b | 2024-10-04. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE: WARNING; ENGINE; LANE DEPARTURE: BLIND SPOT DETECTION; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. The CX-70 and CX-90 have new and revised features that are different from previous models and may be difficult to understand. This Service Alert provides valuable information to support potential dealer and customer concerns. |
| SA-057-24 | 2024-09-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices. |
| SA-052-24 | 2024-09-04. Service bulletin. POWER TRAIN; ENGINE. Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service. |
| SA-019-24b | 2024-08-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Some customers may experience a vehicle no start (no "Ready-ON") due to the 12V battery discharged or the High Voltage (HV) battery discharged. This may be caused by: Ignition left ON when exiting the vehicle (exiting the vehicle during "Ready-On"). Door/liftgate opened multiple times without ignition "Ready-ON" or driving vehicle. Installation of aftermarket electronic devices. To minimize the battery drain concern, ensure that the vehicle shift selector is in Park when exiting and verify the ignition is turned OFF when exiting. NOTE: If multiple door/liftgate opening without "Ready-ON', drive vehicle to charge 12V battery. |
| SA-004-24 | 2024-08-03. Service bulletin. ENGINE. Click here to view coolant bleeding procedure. |
| SA-035-24 | 2024-06-04. Other. ENGINE. There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This Service Alert is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not. |
| SA-029-24 | 2024-06-03. Other. ENGINE. The CX-90 and CX-70 PHEV are equipped with two electric water pumps that look similar but have different part numbers. CAUTION: If the wrong water pump is ordered or they are reversed, DTC U019F could be set. |
| PF-24-05 | 2024-06-03. Other. ENGINE. The CX-90 and CX-70 PHEV is equipped with two electric water pumps that look similar but have different part numbers and functionalities. CAUTION: If the wrong water pump is ordered or they are installed reversed, DTC U019F could be set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.