{"id":512924,"date":"2021-08-16T16:01:49","date_gmt":"2021-08-16T20:01:49","guid":{"rendered":"https:\/\/www.fs1inc.com\/blog\/2004-hummer-h2-problems-reliability\/"},"modified":"2026-08-24T23:00:00","modified_gmt":"2026-08-25T03:00:00","slug":"2004-hummer-h2-problems-reliability","status":"publish","type":"post","link":"https:\/\/www.fs1inc.com\/blog\/2004-hummer-h2-problems-reliability\/","title":{"rendered":"2004 Hummer H2 Problems &#038; Reliability"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[258,1022],"tags":[50,1023,69],"class_list":["post-512924","post","type-post","status-publish","format-standard","hentry","category-car","category-hummer","tag-50","tag-h2","tag-hummer"],"acf":{"sku":"","year":"","make":"","model":"","post_title":"","featured_image":null,"introduction":"","what_is_pcm_programming":"","signs_your_year_make_model_needs_pcm_programming":"","product_title":"","product_view_link":"","how_pcm_programming_works_for_year_make_model":"","engine_size":"","engine_size_1_url":"","engine_size_2":"","engine_size_2_url":"","description":"When the Hummer H2 first hit the roads in 2002, it quickly became a symbol of rugged luxury and off-road prowess. By 2004, this behemoth of a vehicle had solidified its place in the hearts of those who craved adventure and a commanding presence on the road. However, like any vehicle, the <a href=\"https:\/\/www.fs1inc.com\/blog\/2004-hummer-h2-pcm-replacement-guide\/\">2004 Hummer H2<\/a> was not without its share of problems and reliability concerns. As a 30-year-old navigating the world of car ownership, understanding these issues can be crucial, whether you're considering purchasing a used H2 or simply curious about its legacy.\n\nIn this blog post, we'll delve into the common problems that owners of the 2004 Hummer H2 have encountered, from mechanical hiccups to electrical gremlins. We'll also explore the vehicle's overall reliability, drawing on owner experiences and expert reviews to paint a comprehensive picture. Whether you're a car enthusiast, a potential buyer, or just someone interested in automotive history, this exploration of the 2004 Hummer H2 will provide valuable insights into what made this vehicle both a beloved icon and a source of frustration for some.","body_reported_problems":"<p>N\/A<\/p>","body_analysis":"<p>No major Body Components problems have been reported for the 2004 Hummer H2.<\/p>","brake_system_reported_problems":"<p>N\/A<\/p>","brake_system_analysis":"<p>No major Brake System problems have been reported for the 2004 Hummer H2.<\/p>","heating_&_cooling_reported_problems":"<p>N\/A<\/p>","heating_&_cooling_analysis":"<p>No major Heating & Cooling problems have been reported for the 2004 Hummer H2.<\/p>","drivetrain_reported_problems":"<ul><li>Steering Wheel Position Sensor May Fail<\/li><\/ul>","drivetrain_reported_analysis":"<p>The 2004 Hummer H2 has a known issue with the steering wheel position sensor, which can fail over time. This problem can lead to inaccurate readings and affect the vehicle's handling, potentially causing inconvenience for drivers. While it's a notable issue, addressing it promptly can help maintain the overall reliability of the vehicle.<\/p>","interior_electronics_reported_problems":"<p>N\/A<\/p>","interior_electronics_analysis":"<p>No major Interior Electronics problems have been reported for the 2004 Hummer H2.<\/p>","cooling_system_reported_problems":"<p>N\/A<\/p>","cooling_system_analysis":"<p>No major Cooling System problems have been reported for the 2004 Hummer H2.<\/p>","ignition_&_wiring_reported_problems":"<p>N\/A<\/p>","ignition_&_wiring_analysis":"<p>No major Ignition & Wiring problems have been reported for the 2004 Hummer H2.<\/p>","engine_repairs_reported_problems":"<p>N\/A<\/p>","engine_repairs_analysis":"<p>No major Engine Repairs problems have been reported for the 2004 Hummer H2.<\/p>","exhaust_system_reported_problems":"<p>N\/A<\/p>","exhaust_system_analysis":"<p>No major Exhaust System problems have been reported for the 2004 Hummer H2.<\/p>","fuel_&_emissions_reported_problems":"<p>N\/A<\/p>","fuel_&_emissions_analysis":"<p>No major Fuel & Emissions problems have been reported for the 2004 Hummer H2.<\/p>","onboard_electronics_reported_problems":"<p>N\/A<\/p>","onboard_electronics_analysis":"<p>No major Onboard & Powertrain Control Electronics problems have been reported for the 2004 Hummer H2.<\/p>","strange_sounds_&_leaks_reported_problems":"<p>N\/A<\/p>","strange_sounds_&_leaks_analysis":"<p>No major Strange Sounds & Leaks problems have been reported for the 2004 Hummer H2.<\/p>","exterior_finish_reported_problems":"<p>N\/A<\/p>","exterior_finish_analysis":"<p>No major Exterior Finish problems have been reported for the 2004 Hummer H2.<\/p>","suspension_&_steering_reported_problems":"<p>N\/A<\/p>","suspension_&_steering_analysis":"<p>No major Suspension & Steering problems have been reported for the 2004 Hummer H2.<\/p>","transmission_repairs_reported_problems":"<p>N\/A<\/p>","transmission_repairs_analysis":"<p>No major Transmission Repairs problems have been reported for the 2004 Hummer H2.<\/p>","conclusion":"","image":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2004 Hummer H2 Problems &amp; 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