{"id":441,"date":"2026-06-03T18:07:57","date_gmt":"2026-06-03T10:07:57","guid":{"rendered":"https:\/\/www.evrepairbase.com\/?p=441"},"modified":"2026-06-03T18:07:57","modified_gmt":"2026-06-03T10:07:57","slug":"b1108-pm2-5-sensor-short-circuit-byd","status":"publish","type":"post","link":"https:\/\/www.evrepairbase.com\/?p=441","title":{"rendered":"B1108 - PM2.5 Sensor Short Circuit - BYD"},"content":{"rendered":"<p><strong>Severity: \ud83d\udd34 Severe<\/strong> | <strong>System: Thermal Management<\/strong> | <strong>Source: A\/C System<\/strong><\/p>\n<h2>DTC Meaning<\/h2>\n<blockquote>\n<p><strong>B1108<\/strong>: PM2.5 Sensor Short Circuit<\/p>\n<\/blockquote>\n<h2>Possible Fault Areas<\/h2>\n<ul>\n<li>PM2.5 Sensor<\/li>\n<\/ul>\n<h2>What to Do When This Code Appears?<\/h2>\n<p>This is a severe fault code. It is recommended to immediately contact a BYD authorized service center for professional repair. Avoid continued driving until the fault is resolved.<\/p>\n<h2>Applicable Models<\/h2>\n<ul>\n<li>BYD Song MAX 2017<\/li>\n<li>BYD Song MAX 2018<\/li>\n<li>BYD Song MAX 2019<\/li>\n<\/ul>\n<h2>Related Warning Lights<\/h2>\n<p>The following dashboard warning lights may be related to this DTC:<\/p>\n<ul>\n<li>High Coolant Temperature Warning Light (Thermal Management)<\/li>\n<li>Motor Overheating Warning Light (Thermal Management)<\/li>\n<li>Motor Coolant Overtemperature Warning Light (Thermal Management)<\/li>\n<\/ul>\n<h2>Technical Information<\/h2>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Content<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DTC Code<\/td>\n<td>B1108<\/td>\n<\/tr>\n<tr>\n<td>Fault Description<\/td>\n<td>PM2.5 Sensor Short Circuit<\/td>\n<\/tr>\n<tr>\n<td>System<\/td>\n<td>Thermal Management System<\/td>\n<\/tr>\n<tr>\n<td>Source System<\/td>\n<td>A\/C<\/td>\n<\/tr>\n<tr>\n<td>Severity Level<\/td>\n<td>Level 3 (Severe)<\/td>\n<\/tr>\n<tr>\n<td>Applicable Models<\/td>\n<td>Song<\/td>\n<\/tr>\n<tr>\n<td>Data Source<\/td>\n<td>BYD Service Manual<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Frequently Asked Questions<\/h2>\n<h3>What does BYD fault code B1108 mean?<\/h3>\n<p>Fault code B1108 indicates: PM2.5 Sensor Short Circuit. This code originates from the BYD service manual's A\/C system fault code table.<\/p>\n<h3>Can I continue driving when BYD fault code B1108 appears?<\/h3>\n<p>Immediate repair is recommended. This is a severe fault code. Contact a BYD authorized service center immediately for professional repair and avoid driving until the issue is resolved.<\/p>\n<h3>Which models does BYD fault code B1108 apply to?<\/h3>\n<p>This fault code applies to BYD Song MAX 2017, Song MAX 2018, and Song MAX 2019. Data sourced from BYD service manual.<\/p>","protected":false},"excerpt":{"rendered":"<p>Severity: \ud83d\udd34 Severe | [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[15],"tags":[],"class_list":["post-441","post","type-post","status-publish","format-standard","hentry","category-dtc-codes"],"_links":{"self":[{"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=\/wp\/v2\/posts\/441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=441"}],"version-history":[{"count":0,"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=\/wp\/v2\/posts\/441\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.evrepairbase.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}