{"id":10699,"date":"2025-09-16T15:45:41","date_gmt":"2025-09-16T19:45:41","guid":{"rendered":"https:\/\/www.calemonlaw.com\/blog\/?p=10699"},"modified":"2025-09-16T15:46:00","modified_gmt":"2025-09-16T19:46:00","slug":"2025-acura-rdx-recall-power-steering-software-issue-may-cause-loss-of-assist","status":"publish","type":"post","link":"https:\/\/www.calemonlaw.com\/blog\/?p=10699","title":{"rendered":"2025 Acura RDX Power Steering Software Issue May Cause Loss of Assist"},"content":{"rendered":"\n<p><strong>Certain 2025 Acura RDX vehicles may have a problem with the electric power steering (EPS) system software.<\/strong> The software may not be properly calibrated, which can cause the EPS system to enter fail-safe mode and result in a sudden loss of power steering assist.<\/p>\n\n\n\n<p>This issue can make steering more difficult, especially at lower speeds, increasing the risk of a crash.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes the Power Steering Problem<\/h2>\n\n\n\n<p>During the development of the <strong>2025 Acura RDX EPS software<\/strong> to meet California Idle Stop OBD requirements, Honda\u2019s Tier 2 supplier mistakenly set the EPS target returnability Integrated Dynamics System (IDS) gain to an incorrect value.<\/p>\n\n\n\n<p>This mis-calibration can trigger the problem under specific conditions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When the driver makes a <strong>sharp steering input during a turn<\/strong><\/li>\n\n\n\n<li>When <strong>IDS is in Comfort mode<\/strong><\/li>\n\n\n\n<li>When the <strong>Lane Keeping Assist System (LKAS)<\/strong> is active<\/li>\n<\/ul>\n\n\n\n<p>In these scenarios, the EPS target returnability output may exceed the system\u2019s safety threshold, causing the system to falsely detect a fault and enter fail-safe mode\u2014cutting off power steering assist.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Timeline of Discovery<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>October 2024:<\/strong> Honda received the first complaint and began investigating.<\/li>\n\n\n\n<li><strong>March 2025:<\/strong> Investigation efforts continued with further analysis.<\/li>\n\n\n\n<li><strong>May 29, 2025:<\/strong> A dealership review revealed that the customer\u2019s driving mode could be a factor.<\/li>\n\n\n\n<li><strong>July 2025:<\/strong> Honda and its supplier continued in-depth testing and analysis.<\/li>\n\n\n\n<li><strong>August 19, 2025:<\/strong> Honda determined the issue could present a safety risk.<\/li>\n\n\n\n<li><strong>August 28, 2025:<\/strong> Honda confirmed a safety defect and announced a recall.<\/li>\n<\/ul>\n\n\n\n<p>Between August 2024 and August 2025, Honda received <strong>84 warranty claims<\/strong> related to the issue but reported <strong>no injuries or deaths<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Fix<\/h2>\n\n\n\n<p>Honda dealers will <strong>reprogram the EPS software<\/strong> on affected Acura RDX vehicles.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Owner notification letters<\/strong> will be mailed starting <strong>October 20, 2025<\/strong>.<\/li>\n\n\n\n<li><strong>Honda Recall Number:<\/strong> GMS<\/li>\n\n\n\n<li><strong>NHTSA Campaign Number:<\/strong> 25V-582<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Certain 2025 Acura RDX vehicles may have a problem with the electric power steering (EPS) system software. The software may not be properly calibrated, which can cause the EPS system to enter fail-safe mode and result in a sudden loss of power steering assist. This issue can make steering more difficult, especially at lower speeds,&hellip; <a href=\"https:\/\/www.calemonlaw.com\/blog\/?p=10699\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[837,59,1317],"tags":[1479,1432,1399,868],"class_list":["post-10699","post","type-post","status-publish","format-standard","hentry","category-acura-recalls","category-honda","category-lemon-alert","tag-safety-defect","tag-software-update","tag-steering-assist-loss","tag-steering-problems"],"_links":{"self":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10699"}],"version-history":[{"count":2,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10699\/revisions"}],"predecessor-version":[{"id":10701,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10699\/revisions\/10701"}],"wp:attachment":[{"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.calemonlaw.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}