Service bulletins for the 2025 Subaru Ascent
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.
120 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 10-105-25R | 2025-07-01. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak. |
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| 15-251-19R | 2025-07-01. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 09-136-25R | 2025-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This logic was developed to address the following Diagnostic Trouble Code (DTC): P062F - Internal Control Module EEPROM Error. If DTC P062F is detected by the ECM, perform the reprogramming procedure outlined in this bulletin. |
| 06-95-25 | 2025-06-03. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This bulletin announces the availability of new reprogramming files developed to address cases of DTC C1C40 being detected by the Electronic Brake Booster (EBB) in addition to Failure Detail Code 30A2 stored within the Freeze Frame Data (FFD). |
| 01-168-09R | 2025-06-03. Service bulletin. UNKNOWN OR OTHER. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. |
| 10-105-25R | 2025-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak. To improve Fixed Right First-Time (FRFT) and customer satisfaction, SOA is introducing a new procedure and fail code for first-time suspected A/C refrigerant leaks for cases when a Technician is unable to find the source of the leak or believes there was a potential factory under charge of the A/C system refrigerant. |
| 15-251-19R | 2025-05-02. Service bulletin. ELECTRICAL SYSTEM. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 12-267-25 | 2025-05-01. Service bulletin. STRUCTURE:BODY. This bulletin announces a design change to the hood lock switch portion of the hood lock assembly. |
| 02-192-24R | 2025-05-01. Service bulletin. ENGINE. This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines. |
| 14-31-25 | 2025-04-01. Service bulletin. UNKNOWN OR OTHER. This Bulletin announces availability of a User Guide and an informative video to supplement the recent releases to retailers of the SOA321152 and SOA321153 Terminal Test Kits. |
| 15-305-22R | 2025-04-01. Service bulletin. ELECTRICAL SYSTEM. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units utilized in the models listed. |
| 09-51-08R | 2025-04-01. Service bulletin. ENGINE. The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure. |
| 15-324-25 | 2025-04-01. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin details a new procedure for conducting a CommCheck on vehicles equipped with a GEN 3/GEN 3+ DCM. |
| 15-304-22R | 2025-04-01. Service bulletin. ELECTRICAL SYSTEM. This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. |
| 01-167-08R | 2025-04-01. Service bulletin. UNKNOWN OR OTHER. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 12-262-25 | 2025-04-01. Service bulletin. STRUCTURE:BODY. This Bulletin announces diagnostic procedures to be followed when working with a Power Rear Gate (PRG). |
| 15-219-18R | 2025-04-01. Service bulletin. ELECTRICAL SYSTEM. When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully. |
| 15-251-19R | 2025-03-04. Service bulletin. ELECTRICAL SYSTEM. "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16." |
| Subarunet Announcement | 2025-02-04. Other. UNKNOWN OR OTHER. This announcement is in regard to special service tool shipment will be shipped directly to the Subar retailers during February. |
| RC5 Head Unit OTA | 2025-02-04. Other. ELECTRICAL SYSTEM. A head unit OTA will be available via cellular network for Mid and High Grade CP1.5 head units. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.