{"id":12538,"date":"2021-06-30T03:25:00","date_gmt":"2021-06-30T10:25:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=12538"},"modified":"2026-02-09T19:51:44","modified_gmt":"2026-02-10T03:51:44","slug":"p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\/","title":{"rendered":"P2135 Code: Throttle\/Pedal Position Sensor\/Switch A\/B Voltage Correlation"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column12538_a55296-98 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column12538_a55296-98 > .kt-inside-inner-col,.kadence-column12538_a55296-98 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column12538_a55296-98 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column12538_a55296-98 > .kt-inside-inner-col{flex-direction:column;}.kadence-column12538_a55296-98 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column12538_a55296-98 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column12538_a55296-98{position:relative;}@media all and (max-width: 1024px){.kadence-column12538_a55296-98 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column12538_a55296-98 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column12538_a55296-98 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-4159c6  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-b4def3\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6, .wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6[data-kb-block=\"kb-adv-heading12538_ef79a7-e6\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6[data-kb-block=\"kb-adv-heading12538_ef79a7-e6\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading12538_ef79a7-e6[data-kb-block=\"kb-adv-heading12538_ef79a7-e6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading12538_ef79a7-e6 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading12538_ef79a7-e6\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DTC P2135 stands for &ldquo;Throttle\/Pedal Position Sensor\/ Switch A\/B Voltage Correlation.&rdquo;<\/li>\n\n\n\n<li>This code triggers when the PCM detects a problem with your vehicle&rsquo;s throttle or pedal position sensors\/switches.<\/li>\n\n\n\n<li>Common symptoms include your vehicle entering Reduced Power Mode, decreased engine performance, and a lit check engine light.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>You&rsquo;re stopped at a stoplight, waiting for the light to turn green. Once the light changes, you suddenly notice that no matter how hard you step on the gas, engine power is significantly reduced.&nbsp;<\/p>\n\n\n\n<p>After you limp the vehicle home, you plug in your diagnostic tool and it reads P2135. What does this code mean and why are you experiencing these problems?&nbsp;<\/p>\n\n\n\n<p>Read on to find out.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor-1024x623.jpg\" alt=\"replacement throttle position sensor\" class=\"wp-image-41896\" style=\"width:1024px;height:623px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor-1024x623.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor-300x182.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor-768x467.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor-150x91.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/replacement-throttle-position-sensor.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The throttle position sensor is located on the throttle body and once it fails, code P2135 may get triggered.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2135 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P2135 stands for &ldquo;Throttle\/Pedal Position Sensor\/ Switch A\/B Voltage Correlation.&rdquo; This code appears when your car&rsquo;s primary computer, which is often referred to as the powertrain control module (PCM), detects a problem with one of throttle and\/or the pedal position sensors\/switches.&nbsp;In most cases, the ECM will also force the vehicle into <a href=\"https:\/\/www.carparts.com\/blog\/what-triggers-reduced-engine-power\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Reduced Power Mode\">Reduced Power Mode<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Code P2135 is Set<\/h3>\n\n\n\n<p>On an <strong>Electronic Throttle Control (ETC)<\/strong> system, the PCM keeps track of throttle plate position and uses input from two or in rare cases, three throttle position (TP) sensors mounted on the <a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle body\">throttle body<\/a> and a pair of <a href=\"https:\/\/www.carparts.com\/accelerator-pedal-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"accelerator pedal position (APP) sensors\">accelerator pedal position (APP) sensors<\/a> connected to the accelerator pedal.<\/p>\n\n\n\n<p>Think of this as &ldquo;throttle by wire,&rdquo; because there&rsquo;s always an electronic module receiving input from the APP sensors, driving the motor that opens the throttle plate, and reading throttle plate position from the throttle position sensors.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<p>Redundant sensors are used on the accelerator pedal AND the throttle body as a solidly dependable way of detecting faults by comparing the sensor inputs to each other in real time.<\/p>\n\n\n\n<p>And remember, unlike the redundant circuits and hydraulics in military aircraft, these sensors don&rsquo;t come in pairs, so <strong>one sensor will still work if the other one fails<\/strong>. If one sensor fails the algorithms in the PCM or module are written to prevent accidents due to uncontrolled throttle events.<\/p>\n\n\n\n<p>If one sensor doesn&rsquo;t work or doesn&rsquo;t agree with the other sensor as it should, <strong>fail-safe mode<\/strong> kicks in, reducing or eliminating throttle response for safety purposes. In some cases, the vehicle will only idle or it might only provide half-throttle, and it will usually turn on a warning light. Fords use a light shaped like a wrench, but other vehicles may use an ETC warning light shaped like inverted parentheses with a lightning bolt between them.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>If one (redundant) sensor doesn&rsquo;t work or doesn&rsquo;t agree with the other (redundant) sensor as it should, fail-safe mode kicks in, reducing or eliminating throttle response for safety purposes.<\/p>\n<cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Possible Causes of the P2135 Code?<\/h2>\n\n\n\n<p>Error code P2135&nbsp; can have a lot of potential causes. Below are just some of the possible issues that may have resulted in the P2135 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Accelerator pedal position assembly failure<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-throttle-position-sensor-symptoms-what-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"TPS failure\">TPS failure<\/a><\/li>\n\n\n\n<li>PCM issues (e.g., software is outdated)<\/li>\n\n\n\n<li>Circuit problems (e.g., damaged wires and poor connections)&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2135 Code?<\/h2>\n\n\n\n<p>You may notice one or more of the following symptoms when error code P2135 is set:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Decreased engine performance<\/li>\n\n\n\n<li>Engine going into &ldquo;limp home&rdquo; (Reduced Power) mode<\/li>\n\n\n\n<li>Frequent stalling or sudden stopping<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check engine light\">Check engine light<\/a> is on<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"659\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway-1024x659.jpg\" alt=\"driving on highway\" class=\"wp-image-41898\" style=\"width:1024px;height:659px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway-1024x659.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway-300x193.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway-768x494.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway-150x97.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/driving-on-highway.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A decrease in your car&rsquo;s engine performance can be a sign of a logged P2135 code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2135 Code<\/h2>\n\n\n\n<p>Some very crucial reminders below if you plan to diagnose the code yourself:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Don&rsquo;t ever open the throttle body with your fingers, even with the engine switched off or with the throttle body removed<\/strong>. On some vehicles, this can ruin the throttle body mechanism so that it has to be replaced. Always have an assistant hold the throttle pedal down to open the throttle plate.<\/li>\n\n\n\n<li><strong>NEVER clean the throttle body with your fingers or put your fingers into the throttle body for ANY REASON<\/strong>. Always use a brush, because if the throttle body plate is driven closed (like if the assistant releases the pedal) the throttle body will seriously injure your fingers. <strong>Keep your fingers out of the throttle body at all times<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p>Because many issues can trigger the P2135 code, you may have a hard time pinpointing its exact cause. Use these detailed video references as a guide to help you diagnose the code properly:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Chevy \/ GMC Code P2135 TPS Problems\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/D5JFju6Y694?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Ford Electronic Throttle Body Failures P2106 P2107 P2110 P2135: What to Check First!\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/8P3hOxDfCRo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2135 Code<\/h2>\n\n\n\n<p>If you are not confident with your automotive know-how and DIY skills, let your mechanic take care of the issue. Otherwise, you may address the P2135 code yourself.&nbsp;<\/p>\n\n\n\n<p>Identify what triggered the code, then figure out how to resolve it by doing your research on confirmed fixes that apply to your specific vehicle. You can also use these <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"online auto repair resources and guides\">online auto repair resources and guides<\/a> or get an ALLDATA subscription (for comprehensive factory repair information) in order to get more guidance.<\/p>\n\n\n\n<p>Be sure to <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"consult your owner&rsquo;s manual\">consult your owner&rsquo;s manual<\/a> before starting the repair process. What works for one vehicle might not work for another because different makes and models typically have their specific repair instructions. You don&rsquo;t want to accidentally make the problem worse with an inappropriate fix.&nbsp;<\/p>\n\n\n\n<p>When in doubt, contact your mechanic.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Other Notes About Code P2135<\/h2>\n\n\n\n<p>Other vehicle manufacturers will label this code differently, such as: &ldquo;throttle position sensor circuit range\/performance&rdquo; on a Nissan Infiniti or &ldquo;electronic throttle control system malfunction power management&rdquo; on a Hyundai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where To Get Parts To Resolve the P2135 Code<\/h2>\n\n\n\n<p>DTC P2135 can be caused by a number of faulty parts, including the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM\">PCM<\/a> and the throttle position sensor. If the P2135 code remains unresolved, you might continue to experience decreased engine performance and frequent stalling or sudden stopping. That&rsquo;s why it&rsquo;s important to address whatever&rsquo;s causing the P2135 code as soon as possible. Fortunately, you can easily get the parts you need at CarParts.com.<\/p>\n\n\n\n<p>If you&rsquo;re looking to buy replacement parts without leaving the comforts of home, trust <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>. Our easy-to-navigate website lets you choose from our wide variety of quality aftermarket parts. Our vehicle selector allows you to easily find parts that will surely fit your vehicle&rsquo;s year, make, and model.<\/p>\n\n\n\n<p>Place your order for a new <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position sensor\">throttle position sensor<\/a> and other parts at CarParts.com today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<br><\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" aria-label=\"throttle position sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repb314201_1\">\n<strong>Throttle Position Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/accelerator-pedal-position-sensor\" target=\"_blank\" aria-label=\"accelerator pedal position sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/ri32160001_1\">\n<strong>Accelerator Pedal Position Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/throttle-body\" target=\"_blank\" aria-label=\"throttle body\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/rb31500001_1\">\n<strong>Throttle Body<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/throttle-position-sensor\/replacement\/repb314209\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb314209_1\" alt=\"Replacement &ndash; Throttle Position Sensor\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb314209_1\" alt=\"Replacement &ndash; Throttle Position Sensor\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/throttle-position-sensor\/replacement\/repb314209\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Throttle Position Sensor\">Replacement &ndash; Throttle Position Sensor<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$17.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/throttle-position-sensor\/replacement\/repb314209\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/accelerator-pedal-position-sensor\/replacement\/repf321602\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/images\/repf321602_2\" alt=\"Replacement &ndash; Accelerator Pedal Position Sensor &ndash; Direct Fit, Sold individually\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/images\/repf321602_2\" alt=\"Replacement &ndash; Accelerator Pedal Position Sensor &ndash; Direct Fit, Sold individually\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/accelerator-pedal-position-sensor\/replacement\/repf321602\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Accelerator Pedal Position Sensor &ndash; Direct Fit, Sold individually\">Replacement &ndash; Accelerator Pedal Position Sensor &ndash; Direct Fit, Sold individually<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$59.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/accelerator-pedal-position-sensor\/replacement\/repf321602\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/throttle-body\/replacement\/repj315001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repj315001_1\" alt=\"Replacement &ndash; Throttle Body, 1.8L\/2.0L\/2.4L Engines, 4 Cyl\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repj315001_1\" alt=\"Replacement &ndash; Throttle Body, 1.8L\/2.0L\/2.4L Engines, 4 Cyl\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/throttle-body\/replacement\/repj315001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; Throttle Body, 1.8L\/2.0L\/2.4L Engines, 4 Cyl\">Replacement &ndash; Throttle Body, 1.8L\/2.0L\/2.4L Engines, 4 Cyl<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$75.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/throttle-body\/replacement\/repj315001\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>You&rsquo;re stopped at a stoplight, waiting for the light to turn green. Once the light changes, you suddenly notice that&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":12541,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[1680,1679],"ppma_author":[2607,2985],"class_list":{"0":"post-12538","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-accelerator-pedal-position-sensor","9":"tag-throttle-position-sensor","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2135 Code: Throttle\/Pedal Position Sensor\/Switch A\/B Voltage Correlation - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn more about the P2135 code, its triggers, as well as the common symptoms of this engine trouble code in this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2135 Code: Throttle\/Pedal Position Sensor\/Switch A\/B Voltage Correlation - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Learn more about the P2135 code, its triggers, as well as the common symptoms of this engine trouble code in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-30T10:25:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-10T03:51:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/07\/closeup-of-throttle-position-sensor.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1530\" \/>\n\t<meta property=\"og:image:height\" content=\"1020\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p2135-code-throttle-pedal-position-sensor-switch-a-b-voltage-correlation\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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