Service bulletin SA308

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10186264
Published by NHTSA	2021-02-01
Manufacturer's number	SA308
Manufacturer's date	2017-01-05
NHTSA component	ENGINE AND ENGINE COOLING

NHTSA's summary

Maintenance Monitor engine oil data reset - Engine oiol change reset procedure has changed for the 2016 CX-9. It is important to use this new procedure at every oil change to avoid a unnecessary customer return.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MAZDA CX-9	2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SA-041-26	2026-07-03. Service bulletin. This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION 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. Examples: 1. Devices connected to the DLC-2 (battery discharge/DTC stored) 2. Devices plugged into the 12V outlet 3. GPS tracking device (engine no start/battery discharge) 4. Dash cam (DTC stored) 5. Non-certified USB cable (Apple Carplay™/ Android Auto™ will not connect) 6. Over-sized wheels/tires (incorrect GPS location) 7. DTC C0023:14 8. Decorative trim and/or cover on the START/STOP ENGINE button Example 1: Some electrical devices connected to the DLC-2 connector by insurance or mobile phone companies may cause: Battery discharge. The device may disrupt the CAN system battery saver mode. • IDS/MMDS will not communicate with the vehicle due to poor DLC-2 connection. The aftermarket device may cause DLC-2 female terminals to spread open.
SA-029-26	2026-05-05. Service bulletin. 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 major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers. SCHEDULED MAINTENANCE Refer to the applicable Workshop Manual or Owner's Manual for vehicle -specific manufacturer scheduled maintenance. Workshop Manual - Refer to section 00-00 SCHEDULED MAINTENANCE. Owner's Manual - Refer to section 8 Maintenance and Care. b. Note: Please refer to the information below outlining the services not included in Mazda's Factory Scheduled Maintenance: IMPORTANT: Recommending fluid flushes when not necessary can lead to customer confusion and dissatisfaction. Fluid flushing for preventive maintenance purposes is strongly discouraged, unless otherwise specified in a published procedure (Owner’s Manual, Workshop Manual, Technical Service Bulletin, etc.).
SA-026-26	2026-05-05. Service bulletin. 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, clean the intake manifold internally before installing a replacement engine assembly. If the intake manifold is not cleaned properly, the replacement engine may fail prematurely. Metallic debris from the old engine (with catastrophic internal mechanical failure) may rest inside the intake manifold. When the new engine assembly is installed, debris in the intake manifold will be ingested into the new engine and cause internal damage. Clean the intake manifold internally to remove any debris from old engine before installing the new replacement engine assembly. If the intake manifold cannot be properly cleaned internally, replace it.
SA-052-25	2025-12-05. Service bulletin. 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. Examples of residue or seepage that may not be considered a leak and that may not require repair based on splash shield inspection.
CSP11a Warranty	2025-07-02. Warranty extension. Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first, for necessary repairs if the covered vehicle has coolant leaks at the cylinder head, around the exhaust manifold. A dealer must inspect and confirm the covered vehicle is exhibiting coolant leaks at the cylinder head around the exhaust manifold matching Technical Service Bulletin 01-002/23 (Feb. 10, 2023) for the repair to be covered.
CSP11 Owner Letter	2025-01-04. Warranty extension. Dear Mazda Owner: You are receiving this notice because Mazda’s records indicate that your 2019-2020 CX-5, 2016-2020 CX-9, or 2018-2020 Mazda6 vehicle was equipped with a SKYACTIV-G 2.5T (Turbocharged) engine (“Covered Vehicle”). Mazda Motor Corporation has decided to conduct a Customer Service Program CSP (11) to inform you that Mazda is extending the limited powertrain warranty to provide necessary repairs free of charge if your Covered Vehicle has coolant leaks at the cylinder head around the exhaust manifold and to inform you that you may be eligible to receive reimbursement for past out-of-pocket expenses you previously incurred for such repairs on the terms and conditions as described below. Powertrain Warranty Extension: Mazda is extending the limited powertrain warranty to 10 years or 120,000-miles, whichever occurs first, to provide necessary repairs at no cost to you if your Covered Vehicle has coolant leaks at the cylinder head around the exhaust manifold. A dealer must inspect and confirm your Covered Vehicle is exhibiting coolant leaks at the cylinder head around the exhaust manifold matching Technical Service Bulletin 01-002/23 (Feb. 10, 2023) for you to receive the repairs at no cost to you.
CSP11 Parts Warr	2024-12-04. Warranty extension. CSP11 - COOLANT LEAKS AT CYLINDER HEAD WARRANTY EXTENSION For certain 2019-2020MY CX-5, 2016-2020MY CX-9, 2018-2020MY Mazda6 that are equipped with SKYACTIV-G 2.5T engine, the warranty coverage for specific repair of the coolant leak at cylinder head is extended to: 10 years (120 months) or 120,000 miles (192,000 km) whichever comes first, from the original warranty start date CONDITION OF CONCERN On certain subject vehicles, the coolant may leak at the cylinder head around the exhaust manifold.
01-010-24	2024-12-04. Service bulletin. Some vehicles may have coolant leaks at the cylinder head around the exhaust manifold (as shown below). There may be cracks at the stud bolt hole (1) or at the outside of the exhaust manifold flange (2) on the cylinder head.
CSP11	2024-11-04. Warranty extension. Please review the entire Dealer Email below announced on October 17, 2024 for full details regarding this campaign. Warranty Information is at the bottom of the TSB Parts and Warranty information and Repair Procedures will be available by October 25, 2024. Until that time if a vehicle is presented to your dealer with a complaint and CSP11 is visible in eMDCS, please click here and follow instructions in TSB 01-002/23 COOLANT LEAKS AT CYLINDER HEAD and hold claims until the Parts and Warranty Information is available in eMDCS and MGSS.
CSP11 Repair	2024-11-04. Warranty extension. Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first, for necessary repairs if the covered vehicle has coolant leaks at the cylinder head, around the exhaust manifold. A dealer must inspect and confirm the covered vehicle is exhibiting coolant leaks at the cylinder head around the exhaust manifold matching Technical Service Bulletin 01-002/23 (Feb. 10, 2023) for the repair to be covered.