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Service bulletins for the 2019 Subaru WRX

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.

395 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
15-247-192019-10-31. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin announces availability of a map update which includes new software to address a route searching error. A “Route Calculation Unsuccessful” message may be displayed when the selected route crosses state borders (e.g. Route 53 which crosses between Alabama and Tennessee).
15-234-18R2019-09-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. The exchange program policy can also be found in Sections 8.4.9 and 11.2.10 of your Claims Policies and Procedures Manual found in Subarunet.
15-236-18R2019-08-30. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit installation.
11-191-19R2019-08-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces availability of a new Engine Control Module (ECM) for the models listed above designed to address DTC P2610: “ECM/PCM ENGINE OFF TIMER PERFORMANCE”. Under certain RARE conditions, an electrostatic surge may influence the ECM’s internal timer used after the engine is turned off and store a DTC P2610 in memory. Hardware in the ECM has been changed to eliminate any impact from electrostatic surges.
11-191-192019-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. This bulletin announces availability of a new Engine Control Module (ECM) for the models listed above designed to address DTC P2610: “ECM/PCM ENGINE OFF TIMER PERFORMANCE”. Under certain RARE conditions, an electrostatic surge may influence the ECM’s internal timer used after the engine is turned off and store a DTC P2610 in memory. Hardware in the ECM has been changed to eliminate any impact from electrostatic surges.
07-152-19R2019-08-06. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM; VISIBILITY. "This bulletin announces availability of new power window switch assemblies developed to address the following customer concerns: • Power windows inoperative from the driver’s door master and / or passenger front door switch • Unable to remotely operate other door windows from the driver’s door master switch • One-Touch Auto Up / Down features inoperative from either / both front door switches"
GEN 3-12019-05-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Immediately discontinue the use of latest 2019 MY Gen 3.1 Harman Software update.
15-236-18R2019-05-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit installation. It is VERY IMPORTANT to read and understand this information completely to understand all changes from prior releases before proceeding.
15-229-18R2019-05-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin provides troubleshooting steps to follow when diagnosing clock-related customer concerns. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting.
02-170-17R2019-05-20. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; ENGINE. This bulletin announces part information for new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal. The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time, the Check Engine lamp may illuminate and set various AVCS-related DTCs.
07-146-192019-03-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. This bulletin announces a design change made to the engine wiring harness to improve resistance to moisture. A detailed illustration describing the change is supplied below.
15-236-18R2019-03-11. Service bulletin. ELECTRICAL SYSTEM. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head unit installation.
15-235-182019-02-19. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob Symptom 3: A buzzing, screeching or crackling-type sound is heard coming through the speakers.
15-219-18R2018-12-10. 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. These codes both relate to the multi-stage CommCheck process which introduces the Data Communications Module (DCM) to the AT&T cellular network the Telematics system operates on. The Telematics Service Provider (TSP) cannot communicate with the vehicle (DCM) until the CommCheck completes successfully.
15-219-18R2018-12-10. 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. These codes both relate to the multi-stage CommCheck process which introduces the Data Communications Module (DCM) to the AT&T cellular network the Telematics system operates on. The Telematics Service Provider (TSP) cannot communicate with the vehicle (DCM) until the CommCheck completes successfully.
15-220-18R2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and/or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.
15-220-18R2018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and / or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.
15-226-18R2018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT. This bulletin provides troubleshooting steps to follow when diagnosing customer concerns regarding USB functionality. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. If the concern you have is not listed, check the Service Manual ?Infotainment (Diagnostics) - Diagnostics with Phenomena? section as a starting point.
15-229-182018-10-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. This bulletin provides troubleshooting steps to follow when diagnosing clock-related customer concerns. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern.
15-228-182018-10-01. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides troubleshooting steps to follow when diagnosing a customer concern of the display screen being either frozen (unresponsive) or black (blank). Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern.
15-226-182018-10-01. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. This bulletin provides troubleshooting steps to follow when diagnosing customer concerns regarding USB functionality. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.