2024 Mazda CX-90 Service and Repair Manual

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Covers all 2024 CX-90 trims — GT Sport Utility 4-Door, GS-L Sport Utility 4-Door, PHEV GT Sport Utility 4-Door +7 more ·
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2024 Mazda CX-90 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • GT Sport Utility 4-Door
  • GS-L Sport Utility 4-Door
  • PHEV GT Sport Utility 4-Door
  • PHEV Sport Utility 4-Door
  • GT-P Sport Utility 4-Door
  • PHEV GS Sport Utility 4-Door
  • PHEV GS-L Sport Utility 4-Door
  • GS Sport Utility 4-Door
  • Turbo Sport Utility 4-Door
  • Turbo S Sport Utility 4-Door
  • Signature Sport Utility 4-Door

Engines covered

  • 3.3L 3283CC l6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged
  • 2.5L 2488CC 152Cu. In. l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #24V02200018/01/2024Component: STEERING

Mazda North America Operations (Mazda) is recalling certain 2024 CX-90 vehicles. An assembly issue with the worm gear in the steering system may result in a sudden loss of power steering assist.

Consequence

Loss of power steering assist while driving increases the risk of a crash.

Remedy

Dealers will replace the spring engaging the worm gear and reapply grease to the gear teeth, free of

NHTSA #23V42900015/06/2023Component: STEERING:CRITICAL FASTENERS

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. Some steering and suspension bolts may be missing or improperly tightened, which can cause the steering intermediate

Consequence

A loss of vehicle control increases the risk of a crash.

Remedy

Dealers will inspect and tighten or replace the steering and suspension bolts, as necessary, free of

NHTSA #23V55300004/08/2023Component: FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT

Mazda North American Operations (Mazda) is recalling certain 2024 CX-90 vehicles. Software in the Approaching Vehicle Audible System (AVAS) Information Sound Box (ISB) amplifier may be missing, which

Consequence

Inaccurate external warning sounds may confuse pedestrians about the direction of an approaching veh

Remedy

Dealers will update the AVAS ISB amplifier software, free of charge. Owner notification letters wer

TSB #11033592

CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles ar

TSB #11033591

CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles ar

TSB #11033590

CSP14 CSP15 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain vehicles ar

TSB #11033589

CSP14 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain v

TSB #11033588

CSP14 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain v

TSB #11033587

CSP14 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain v

TSB #11033586

CSP14 2024-2026 CX-90 Subject: Mazda Rear Brake Pad Customer Service Program Limited Warranty Extension (CSP14 CX-90 models) - Phase 1 Mailing May 2026 In late April we announced two Customer Service Programs (CSP14 & CSP15) where certain v

TSB #11033447

This service alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-047/25 10/07/25 DESCRIPTION When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to

Showing the 8 most recent of 474 technical service bulletins on file with NHTSA.

20260418Component: AIR BAGSCrash reported2 injured

Was involved in an auto accident where the person t-boned my car on the passenger side. Airbags on the left side of the car including driver and steering wheel airbags did not deploy on impact.

20240709Component: FORWARD COLLISION AVOIDANCECrash reported2 injured

The contact owned a 2024 Mazda CX-90. The contact stated that while driving at various speeds, a clunking noise would emit from underneath the engine compartment. The vehicle was taken to a dealer whe

20240709Component: SERVICE BRAKESCrash reported2 injured

The contact owned a 2024 Mazda CX-90. The contact stated that while driving at various speeds, a clunking noise would emit from underneath the engine compartment. The vehicle was taken to a dealer whe

20260506Component: STEERINGCrash reported1 injured

On April 29, 2026, my 2024 Mazda CX-90 Turbo S Premium Plus experienced a steering malfunction while I was entering a right turn. The vehicle had Mazda steering recall 6524A / NHTSA Campaign 24V-022 m

20250213Component: STEERINGCrash reported1 injured

The contact leased a 2024 Mazda CX-90. The contact stated while driving 70 MPH in the far left lane, the vehicle jerked and the steering wheel seized, causing the contact to lose control of the vehic

Showing the 5 most serious of 392 complaints filed with NHTSA.

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