2023 Mazda CX-30 Service and Repair Manual
This factory service and repair manual for the 2023 Mazda CX-30 is built around the exact year, engine and trim combination of your crossover, covering the naturally aspirated 2.5L L4 (VIN L and VIN M) and the turbocharged 2.5L L4 (VIN Y) with the torque values and procedures Mazda published for each, not a generalized CX-30 writeup.
Engines covered
- 2.5L inline-four (152 cu in) — DOHC, turbocharged, gasoline
- 2.5L inline-four (152 cu in) — DOHC, naturally aspirated, gasoline
- 2.0L inline-four (122 cu in) — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sport utility
Trims covered
- 2.5 S
- 2.5 S Carbon Edition
- 2.5 Turbo
- GS
- GT
- GX
- i Grand Touring
- I Sport
- Signature
Known issues on the 2023 CX-30. No recalls are on federal record for the 2023 CX-30, and no complaints are logged for the year either. That clean record makes the factory procedures in this manual the baseline reference for routine service, diagnostics, and any work across the VIN L, VIN M, and VIN Y engine variants.
Whether you are servicing the naturally aspirated 2.5L or working on the turbocharged variant's specific cooling and boost components, it keeps you on the OEM procedure and the correct specification for your specific 2023 CX-30.
Mazda North American Operations (Mazda) is recalling certain 2022-2023 CX-30 and 2023 CX-50 vehicles. The anti-lock brake system (ABS) Hydraulic Control Unit (HCU) may be damaged, which can result in
Reduced braking ability can increase the distance required to stop the vehicle, increasing the risk
Dealers will inspect and replace the ABS HCU, as necessary, free of charge. Owner notification lett
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
This SA supersedes the previously issued SA(s) listed below. The changes are noted below in Red. SA-029/25 10/16/25 and 06/02/25 DESCRIPTION This service information provides testing and charging procedures in order to promote proper batter
This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-011/25 10/16/25 and 02/27/25 DESCRIPTION Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) wa
DESCRIPTION Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs B1030:1
DESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle certification label. To obtain a replacement VIN plate (bulkhead-mounted and visible through the lower-left area of the windshield), contact DAG (Dealer
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance services that support all ma
This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8
This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, cl
Showing the 8 most recent of 300 technical service bulletins on file with NHTSA.
While driving down the road a vehicle in front of me braked to stop for a bus loading kids, as I stepped on the brakes nothing happened and the vehicle surged forward. After the accident I viewed the
While driving down the road a vehicle in front of me braked to stop for a bus loading kids, as I stepped on the brakes nothing happened and the vehicle surged forward. After the accident I viewed the
While driving down the road a vehicle in front of me braked to stop for a bus loading kids, as I stepped on the brakes nothing happened and the vehicle surged forward. After the accident I viewed the
While attempting a left-hand turn, the steering wheel suddenly became stiff and unresponsive, as if the mechanical gear had bound. This sudden resistance made it impossible to complete the turn, causi
While attempting a left-hand turn, the steering wheel suddenly became stiff and unresponsive, as if the mechanical gear had bound. This sudden resistance made it impossible to complete the turn, causi
Showing the 5 most serious of 39 complaints filed with NHTSA.
