Service bulletins for the 2024 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.
552 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 09-002-24a | 2024-06-04. Service bulletin. SEAT BELTS. Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud. Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern. |
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| 07-003-24a | 2024-06-04. Service bulletin. UNKNOWN OR OTHER. Some customers may complain that the ambient temperature on the instrument cluster is displayed more than 50 °F (10 °C) lower than the actual temperature, resulting in insufficient performance of the air conditioning. This is caused by inappropriate soldering in the ambient temperature sensor. To eliminate this concern, the soldering process has been enhanced at the supplier. |
| SA-034-24 | 2024-06-03. Other. STRUCTURE:BODY; UNKNOWN OR OTHER. This Service Alert provides additional guidance about operation and procedure of the Driver Personalization System from the start of driver recognition to the end of the driving position restoration. |
| SA-030-24 | 2024-06-03. Other. VISIBILITY/WIPER; EXTERIOR LIGHTING. Some vehicles may experience a warning light ON, warning messages, or a headlamp concern. After checking the vehicle, DTC B10A3:86 may be stored with or without other DTCs. Follow the repair procedure below for B10A3:86. Customers having this concern should have their vehicle repaired using the following repair procedure. |
| 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-24-08 | 2024-06-03. Other. STRUCTURE:BODY. Accessories has recently completed revising the CX-90 full display mirror instructions to include the CX-70 and revised the part number from KMV6V7210 to KMV6V7210A for the dealer kits to include the new instructions. Kit contents are the same. |
| PF-24-06 | 2024-06-03. Other. POWER TRAIN. When replacing the valve body for the CX-70 or CX-90 Inline 6, please note that the pipes are not included in the valve body assembly. They are only provided with the transmission assembly. |
| 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. |
| 09-028-24 | 2024-06-03. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Some customers may experience a warning message for the approaching vehicle audible system (AVAS) right after the ignition is turned on (POWER ON) while a loud noise, such as a horn, occurs close to the vehicle. Upon inspection, DTC B1A03:2B [ISB_AMP] (AVAS device circuit malfunction) is stored in memory. (AVAS Malfunction, Pedestrians May Not Hear This Vehicle Approach, Drive Safely, Have the Vehicle Inspected) This may be caused by an internal initial diagnosis in the notification and warning amplifier detecting a false malfunction under this particular situation. To eliminate this concern, the control software of the notification and warning amplifier has been modified. |
| 05-003-24 | 2024-06-03. Service bulletin. POWER TRAIN. Some customers may feel a slight surge when driving at around 60 mph (100 km/h) in EV mode and decelerating with the accelerator pedal not fully released. If the accelerator pedal is fully released, the concern does not occur. This may be caused by improper torque control occurring for some shift down occasions. To eliminate this concern, the control software of the TCM has been modified. |
| 05-001-24a | 2024-06-03. Service bulletin. POWER TRAIN. Some customers may complain about the following symptoms: A bark, hoot, crunch, chirp, honk noise and/or vibration during 1-2 shift while accelerating from a complete stop at operating temperature. • A vibration when engine restarting by i-stop function. • NOTE: See attached video file "Sample Noise" at end of document. This shift noise and/or vibration may be caused by improper hydraulic pressure control of the automatic transmission. To eliminate these concerns, the control software of the TCM has been modified. |
| 01-004-24 | 2024-06-03. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM. Some customers may complain about a noise from the engine compartment at idle. This may be caused by the fuel injection learning cycle at idle from the high pressure fuel pump. To eliminate this concern, the control software of the PCM has been modified. |
| 05-002-24 | 2024-05-24. Service bulletin. POWER TRAIN. Some technicians may notice an oil seepage from the A/T at the thermo valve when the vehicle under covers are removed. This is caused by insufficient tightening torque of the thermo valve. To eliminate this concern, the tightening torque of the thermo valve has been modified from 52-59 ft-lbs (70-80 N·m) to 63-71 ft-lbs (86-96 N·m). Technicians seeing this concern should repair the vehicle using the following repair procedure. |
| 05-001-24 | 2024-05-24. Service bulletin. POWER TRAIN. Some customers may complain about a bark, hoot, crunch, chirp, honk noise during 1-2 shift while accelerating from a complete stop. This shift noise may be caused by improper hydraulic pressure control of the automatic transmission. To eliminate this concern, the control software of the TCM has been modified. |
| SA-022-24 | 2024-05-04. Service bulletin. WHEELS. Some automotive cleaning products contain strong acid or alkali. When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains or discoloration. |
| SA-017-24a | 2024-05-04. Service bulletin. EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; LATCHES/LOCKS/LINKAGES. Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control |
| 09-001-24c | 2024-05-04. Service bulletin. UNKNOWN OR OTHER. Some customers may experience a “Telematics Malfunction” message in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified. |
| SA-007-24a | 2024-05-04. Service bulletin. SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE; EQUIPMENT ADAPTIVE/MOBILITY. This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking. By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle. |
| 09-024-24 | 2024-05-04. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. Some customers may experience that the liftgate or the trunk lid will not unlock even when the vehicle is parked and the ignition is off. If the engine is running (POWER ON) or the ignition is turned to on (READY ON), it will unlock. To eliminate this concern, the control software of the DSC HU/CM (or the electronically controlled brake unit) has been modified. |
| SA-025-24 | 2024-05-03. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. On some vehicles, an engine oil leak from the rear of the engine at the turbocharger drain back tube could be be confused as an oil leak from behind the bell housing. The bolt holes for the drain back tube to the block are drilled through to the inside of the engine and thread sealer was not properly applied to the bolts threads, causing oil to leak past the threads. NOTE: The WSM was updated to show these bolts are a to be replaced if removed. New bolts will have thread sealer already applied. |
| SA-020-24a | 2024-05-03. Service bulletin. FORWARD COLLISION AVOIDANCE; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; LANE DEPARTURE; ELECTRICAL SYSTEM. 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-019-24a | 2024-05-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. 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. |
| 09-025-24 | 2024-05-03. Service bulletin. ELECTRICAL SYSTEM. Some customers may experience a "BATTERY SAVING MODE. DRIVE VEHICLE TO CHARGE BATTERY" message (for 12V battery) that frequently appears in the instrument cluster with a warning sound. This concern may also occur after charging the 12V battery using a battery charger without disconnecting the negative terminal. |
| 09-021-24 | 2024-05-03. Service bulletin. INTERIOR LIGHTING. Some customers may complain about a rattle or vibration noise coming from front map light surroundings when driving on a rough road. This may be caused by the bracket for the map light. Due to heat or vibrations, the fastener fixing the front map light to the bracket may deform, making the joint loose. In such case, when the vehicle bounces, the bracket may oscillate and produce a rattling noise. To eliminate that concern, non-woven fabric will be attached to the headliner.1. Front map light 2. Bracket 3. Connectors |
| 03-001-24a | 2024-05-03. Service bulletin. POWER TRAIN. Some vehicles may experience differential oil leaking from the oil seal (RH side) at the front differential. This is caused by an inappropriate assembly process of the front differential to the oil pan (vehicle side). To eliminate this concern the front differential assembly process has been changed. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.