Problems owners report
Complaints filed with NHTSA about the 2004 Subaru WRX, by the system named in each complaint. One complaint can name several.
- Fuel system, gasoline27
- Fuel/propulsion system8
- Air bags3
- Suspension2
- Engine2
- Engine and engine cooling2
- Power train1
- Service brakes, hydraulic1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 1 deaths reported
Compared with other years
NHTSA ODI complaints by model year
In New Zealand
3 2004 cars are on the New Zealand register; 100% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
Subaru of America, Inc. (Subaru) is recalling certain 2004-2005 Impreza and WRX vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement air bag inflators may have been installed incorrectly.
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Subaru told its dealers about the 2004 Subaru WRX: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11010925 | This annocement is to inform dealers to the Gen 3.1 Head Unit OTA will be available via Wi-Fi. The update will take place in multiple batches with the first beginneing November 15th and the last being Decemeber 3rd. This update is for approximatelt 714,000 VINs. |
| 11009701 | This bulletin details an important regulation issued by the National Highway Traffic Safety Administration (NHTSA) which impacts the way some vehicles with accessories are sold. This regulation applies to any automobile retailer installing accessories on a vehicle prior to its first sale. |
| 11009685 | This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 11008283 | This Service Information Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINK Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer. |
| 11008282 | This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 11008281 | This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines. |
| 11008280 | This Service Information bulletin is being released as guidance for proper testing and charging of vehicle batteries. |
| 11008279 | This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. |
| 11008276 | The CP1.5 RCs OTA is available for all mid and high grade CP1.5 head units. |
| 11008267 | This bulletin announces availability of the NEW genuine Subaru engine oil filter. |
| 11008259 | This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to reduce unnecessary bushing replacement. |
| 11006935 | This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure for 2025MY vehicles. |
| 11006934 | The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. |
| 11006932 | This Service Information Bulletin announces important diagnostic information to utilize when the Data Communication Module (DCM) is being tested as a dark current/standby current source. |
| 11006931 | This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 11005624 | This annoucement provides parts personnel information about remanufactured transmissions that will no longer be available. |
| 11005615 | This announcement provides information for retailers to install the latest infotainment system software for Denso CP 1.5. |
| 11005614 | This bulletin announces important diagnostic information to utilize when testing the Data Communication Module (DCM) as a dark current/standby current source. All models equipped with Telematics except Solterra. |
| 11005609 | This announcement provides information on Takata Recall Escalated Towing Program. |
| 11005608 | This thermo control valve video contains information on the replacement of thermo control valve. |
| 11005599 | This Bulletin provides SOA paint codes to help eliminate possible confusion for 2025 MY vehicles. |
| 11005595 | This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 11005593 | This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut. |
| 11002730 | This information announces reprograming file availability for Gen 4.5 Denso CP1.5 Audio and Navigation systems. Inprovement for CarPlay concerns with hands-free calls when the receiving party is not able to hear the caller. |
| 11002725 | This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
FUEL LINE LEAK
NHTSA Office of Defects Investigation