It is not intended as repair advice and we are not responsible for any actions MWRhYWY0YTdjNTkyMzY3MmExYTJkYjQ5MmQ2ZmFlOTQxN2YyZTMyODc5M2U3 Faulty Accelerator Pedal Position Sensor Accelerator Pedal Position Sensor harness is open or shorted Accelerator Pedal Position Sensor circuit poor electrical connection Faulty Engine Control Module (ECM) How to Fix the P2138 Code? Meanwhile, there are other reasons too for triggering the P2138 code. "@type": "Answer", MWJlZWEzZWI1MDM5M2JlMGZmNGM1OTdlMjcyNGFhZmNkZTRjZjNkMmEyODU2 Such as the P2138 code Hyundai means Electronic throttle control system malfunction power management. While it stands for Throttle position sensor circuit range/performance on the Nissan unit, Infiniti. I love researching car problems and creating easy-to-read car repair articles based on my own findings. Next, your vehicle may experience trouble with acceleration and loss of power, and unresponsiveness from the engine. The signal sends itself to the ECM or electronic control module. Required fields are marked *. ZDIwYTEyZTY4YjcyNWM5NmM2YWU0MjY5ZGIzNjZjNmI0MjVlNzEwOWQ0ZDkx ZmQ3Y2E3ZjRlNDFkNTc1YTkzNzJlNDI0NTIxNjQ3ODM3ZmRjMDAxMzQyN2Yz This diagnostic trouble code (DTC) is a generic powertrain code. ODhhNTk5ZTE4YjFlMDRiZWMwYWFmNDRmNTlhMTMxYWRkMzlkYzg0MThjNDVl "text": "Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation." This technology was made with the view to provide further control over emissions, traction, fuel economy, cruise and stability control, and transmission outputs. We recommend visiting a qualified mechanic for the job. Examine the pigtails that plug into the throttle position sensor and make sure that they are not damaged in some way. When the ECM detects this, it may put the vehicle in a fail-safe condition that limits throttle opening to 5-15%. YourMechanic All rights reserved. Have a helper turn the key on and slightly depress the pedal. MjkwOGI5MDIyYTkwYjgwNGYzMjJhYWIwOTY2ZiIsInNpZ25hdHVyZSI6Ijdh Doing so prevents further headaches, and mitigates much of the risk associated with driving a vehicle in this state. Are there any symptoms to identify the problems? Clean any corrosion using a small pocket screwdriver. (Buyers Guide), USAA Car Loan: Rates for New and Used Cars (2023 Guide), Understanding JG Wentworth Personal Loan Reviews, What Used Cars are the Cheapest to Insure in South Carolina. I would definitely recommend him and will use him again. For example, if the code causes your vehicles throttle to stick, this can lead to extremely hazardous conditions on the road and even accidents. With the sensor signals slightly different, a fault easily detected. Double-check if the connector wires are loose or frayed by carefully tugging on them. The pedal commander has been throwing up check engine. All our repairs are backed by our 12-month / 12,000-mile warranty. All car owners should consider buying this tool because it pays for itself in the long run. One of the most common of these throttle body-related faults is DTC P2138. can throttle position sensor affect transmission shifting? "acceptedAnswer": { Itll tell you exactly how to test a throttle position sensor. The P2138 may be caused by a number of issues, including: A malfunctioning throttle position sensor, A malfunctioning accelerator pedal position sensor, Broken, frayed, corroded, or otherwise damaged wires that prevent signal transmission. You can also watch thedata being graphed while you wiggle the wires to see if the data changes, which would indicate awiring or connector issue is triggering P2138. You should consult with an Thats easy to say but becomes a lot clearer if you can see it. Code P2138 is an accelerator pedal position (APP)sensoror throttle position(TP)sensorcode. For error code P2138, one or more of the below repairs may be needed to solve the underlying issue. Since the pedal didnt work, theres likely a problem elsewhere in the circuit that you might want to consider having a professional diagnose. Thus, the drive by wire system was introduced. In any event, the root cause of DTC P2138 should be diagnosed and remedied at the first available opportunity. In the 90s, car manufacturers started industry-wide productions of the throttle control technology Drive by wire.. "name": "How Do I Fix Error Code P2138", One of the first causes of the P2138 code is a defective ECM. They may also repair or replace any wiring associated with the throttle body motor. Ben is the channel editor for all things tech-related at Windows Central. This trouble code can cause the vehicle to lose throttle response. To resolve error code P2138, any repairs stated below may be needed. And here's a solid piece of advice. That is since the accelerator pedal depressed gradually. Follow this video guide to do accelerator pedal position sensor testing. Visually check the vehicles throttle wiring/body for signs of pinched/frayed wires. Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation. Disconnect the connector(3:13)to further inspect it, and check forany corrosion in the terminals. There are several potential causes of DTC P2138, some of which tend to be more common than others. If your car displays the engine code P2138, then your cars computer is receiving conflicting information about the position of your accelerator pedal. A faulty, bad, loose, or disconnected APPor TPsensor connector, Faulty or damaged APPor TPsensor wiringor circuits, Incorrectdielectric grease used on the APPor TPsensor connector. Some are rare genetic conditions. "name": "How To Replace Accelerator Pedal Position Sensor", Seeing troubling symptoms on your vehicle you suspect are leading to an active P2138 code situation? "@type": "Answer", Symptoms NDI5MjNiZmFjNjEyZjkyNWU0NWY2NDIwODEwOTlkNWQzNzY4MDE1MDM0ZDE1 It will have 5 volts for reference and next to it a varying signal. If you are uncertain of your automotive know-how, its best to let a professional diagnose and resolve the P2138 code. How to Remove a Lower Ball Joint on an S10 Truck. I would consider the P2138 trouble code to be very serious. To fix the P2138 code, you'll have to identify its exact cause and determine the right repair process for your vehicle. He took the time to diagnose the problem, explained the what, why and how and provided a solution. Replacing the APP sensor is not an easy job. , you might be warned of this problem if: The P2138 engine code is fairly serious, and you should get it inspected as soon as possible. Unfortunately, codes dont tell you exactly whats wrong with a vehicle. Finally, the ECM may need a software update if its not working normally, or you may need to replace the ECM altogether in rarer cases. YzQyZDdiZTlmNjdmZDdiMTMyNDVlZjkzODg1MGExNmI2ZTQyOWYxNjMyNGY0 This allows drive by wire to allow for the torque to come in more gradually. Mr. Dan Barber was quite patient, courteous and quite knowledgeable. What sort of problem could be causing the clicking noise? You will now back probe the power wire for your engines throttle motor. 2023 CarTreatments.com. my vw jetta 5 tdi was diagnosed with accelerator pedal position sensor fault NWM1NTcyZGM1ZmFiYmQ2NzY3NDFlMzJlNzRmYzJkN2M3OWRlODZiMWVlZWUw Address: 9169 W State St #2867, Garden City, ID 83714Phone: 208-549-9411. N2Q4MDcwZTdjOTM5ODJhODVhZDI5Njk3NWEzNjI0MjM3Y2UyYzZjNmNlZDg1 You have to diagnose the root of the error code at the first possible opportunity. It only takes one of these symptoms to leave a driver stranded in the middle of a road. (6 Causes and What To Do), 8 Symptoms of a Bad Clutch Slave Cylinder (and Replacement Cost), 10 Best Diesel Engines in the 21st Century, #5 Check Voltage Sweep at Accelerator Pedal, Compromised throttle body wiring/connector, Damaged throttle pedal sensor wiring/connector. ZDRmNzYwMTc4Mjg4OTIwOTNhZGFhYTc4MjM0MjVmNTc1NmM2NDhiYTJjOGY2 YmJlZmMxYWMzNDJmMGIwYjJlMDBkODBlMzIwNDU0NzZkNGQwYzE0OTVlNzU2 If theincorrectkind of dielectricgreaseisused, such as grease for 12 volts rather than the connectors 5 volts,that could be causing the issue. Our certified mobile mechanics can come to your home or office to perform the. Were here to help you simplify car care and save, so this post may contain affiliate links to help you do just that. MzU4MmYzYzI5NTM1ZGYyODU4NjEwN2QxMzJiNTM2ZjhkNjE5MmU0ZDQyMzdh If you have to change the complete component, the price goes up. An electronic throttle control technology comprises an electronically regulated throttle body fitted with an internal engine. If your vehicle cannot idle smoothly, there may be a bad accelerator pedal sensor. It drives a large "plastic" gear attached to the throttle plate. Code P2138 suggests that the Engine Control Module has found a problem in the D or E circuits of the TP sensor. Carport vs Detached Garage (9 Factors to Consider), Standard Garage Sizes for 1, 2, 3, or 4 Cars (w/ Chart), P2006 Code (Symptoms, Causes, and How to Fix), Car Hood Wont Close? Your email address will not be published. That is RIDICULOUS, Cheryl. This system is incredibly sensitive and vulnerable to damage, more than any other system. The Accelerator Pedal Assembly contains 2 Accelerator Pedal Position (APP) sensors. Causes Observe how the graph on the code reader/scan tool reacts to ensure the data does not spike or dip drastically. "@type": "FAQPage", Common symptoms of the P2138 engine code? But if you experience low gas mileage, the throttle position sensor may be working but not as great. The prevalence of these signs usually differs from one case to another. Georgina has edited over 1,500 articles for Jerry on topics ranging from engine oil capacity to state community property laws. ODE4MzEwNDVhMWVhMGZkMTY2MDU1YTE0MTY3NDk5ODZiNjY2NjZkMDJlZDZk On inspection, you will notice a flat plastic cover on the top of the throttle body. P2138 is often caused by an open or short in the wiring. If DTC P2138 returns, qualify the affected vehicles accelerator pedal using a multimeter. Before starting your diagnostic attempts, make sure you look for any other stored Diagnostic Trouble Codes. NzczNzQ1OGIyMjlkNmFlZGIwZTA4N2RkNTc1YWY4MzEyYTQ4MDQxZjFlMTlh In simple words, this implies that the affected vehicles throttle body is answering the input weirdly. What are the Possible Causes of the Code P2138 Honda? Our certified mobile mechanics can come to your home or office to perform the The throttle body also has a throttle position sensor (TPS) to provide feedback. What Used Cars are the Cheapest To Insure in Tennessee? Check to see if there are any other codes along with P2138 and clear your Check Engine Light with. Any one of these symptoms has the potential to leave a motorist stranded, or worse, cause a vehicle to stall when traveling at highway speeds. In this video,our mechanic breaks down the P2138 code,itssymptoms, including poor acceleration and reduced power mode,and shows you how to diagnose the potential causesso you know whattodo toclearthe code. You should only use low-voltage dielectric lubricant on this connector. My monthly payment went from $469 to $362 by switching me to Progressive. P2138 is a common issue among the following makes: Chevrolet (especially on a Chevy Malibu), Nissan, Honda, Subaru, and Acura. "acceptedAnswer": { "Georgina Grant is a senior insurance editor and researcher with 8 years of experience in digital communications. Several diseases that cause dementia, some of them related to aging. If no visual defect were located during step #3, you will now proceed by executing the throttle body relearn procedure for your particular vehicle. When this occurs, the ECM cannot identify the actual accelerator position and will illuminate a warning light and limit your vehicles throttle response to under half throttle. This is how it is on every car. YWQ3MDc0ZWUzYjU5ZDA0ZDZlNGY2OTk4NDExNzI2MGJkMzZiNWRiYzVlMGUz ZDQ4MzdiMDhmZWY4NjhlYjRkNmRmNDJhMWFjNWRhMGMwOWY3OTlkNTMwMjg0 With that said, a technician will begin by replacing the throttle body motor or the throttle body assembly if its defective or damaged. A P2138 code is triggered when a deviation persists for two or more seconds, indicating an internal system malfunction. If the terminal connector has bent or missing pins you can pick up a new "pigtail" at most auto parts stores or from the dealer. So you must refer to the manufacturer-specific service guide for this one. Information regarding throttle input is now directly to a vehicles PCM/ECM through a wired connection. The Diagnostic Trouble Code P2138 stands for "Throttle/pedal position sensor/switch D/E voltage correlation." This means an issue in the throttle that cannot open and close correctly. When the voltages agree, the system is operating as it should. Diagnose Reduced Engine Power Warning: What Does It Mean? In that way, you can get the issue diagnosed first. The first step in diagnosing the P2138 code issue is visually inspecting the throttle body and the throttle body motor and throttle position sensor. Error code P2138 is not the worst and can get fixed without much issue. This will usually have you check the signal voltage of the sensors. A fluctuation in voltage would indicate a faulty throttle body, while a lack of voltage would signify a ECM/PCM fault, or the existence of an open condition within the corresponding signal circuit. The engine management computer has failed. Use a Multimeter to Examine the Wiring. He listened well, was knowledgeable, and was prepared. One such engine function that is now electronically controlled, is the manipulation of a throttle bodys internal plate. Read Also: 10 Best Diesel Engines in the 21st Century. is replacing the throttle position sensor. There is something wrong with that sensor if there is a dip or spike. But, a DTC like this usually does not come alone. The voltage should climb from .5 to 5.0 smoothly. Could this code be because of a P1602 in the case of the battery being inserted without being reset correctly ? The Engine Control Module ( ECM) supplies each APP . P2138 can be a tricky code to diagnose, and its an important one to get right. Also, keep the battery at 12v before this test. With that said, you should address this issue as soon as you run into it. All OBD-II codes have multiple possible causes. Your coupon is on its way to your inbox. The average RPM of a vehicles motor is between 600-700 rotations few minutes. P2138 is a generic powertrain code that can affect any make or model of vehicle that has a "drive by wire" throttle system (almost every vehicle made today). Difficulty of Inspecting comparison app, has compiled the following guide to the P2138 engine code. If you are dubious of your vehicle diagnosis skills, schedule an appointment at a good auto shop. The accuracy and timeliness of the information may change from the time of publication. Other throttle related DTCs: P0068, P0120, P0121, P0122, P0123, P0124, P0510, & others. Start by checking the "Possible Causes" listed above. You can find the throttle position sensor/switch on the throttle body located on the intake manifold. Its possible since the cruise control affects throttle response. Exclusive Member of Mediavine Home. You can inspect the data forming in graphs as you move the wires to understand if the data varies. Diagnostic trouble code P2138 is triggered if issues are with the vehicles throttle/pedal position sensor/switch. P2138 causes can include: A failing, faulty, or dirty APP or TP sensor A faulty, bad, loose, or disconnected APP or TP sensor connector In this case, they do not. Made with in Silicon Valley. The pedal could be giving a delayed response. A throttle position sensor (TPS) is situated opposite the throttle linkage connection on the throttle plate. To avoid accidentally worsening the problem with a solution thats inappropriate for your vehicles make and model, consult your owners manual. For example, on a Nissan, turn the ignition on and wait 3 seconds. Charge your cars battery first if the reading isnt exactly 12v. What Used Cars Are the Cheapest to Insure in Oregon? NOTE: This information is presented for information purposes only. Honda Pilots with an advanced drive-by-wire throttle system can suffer from P2138, a generic powertrain error code. When your motor malfunctions, your vehicles computer will show a DTC to help you find the problem. The P2138 engine code means that your cars engine control module (ECM) has identified an issue with, throttle position sensor D or throttle position sensor E (or both). After that the mechanic would then test the throttle body motor and the throttle position sensor for proper function using the manufacturers recommended procedure. Enter your details to see certified shops near you that offer upfront estimates, guaranteed fair pricing, and a minimum 12-month, 12,000-mile warranty. Experts call this code a generic one. When finished, take your car for a test spin and see if code P2138 pops up again. What Happens If You Run Out Of Diesel Exhaust Fluid? Get your vehicle properly inspected and repaired in time. Supplementary accelerator pedal sensors are needed to stop plausible runaway states, which would be bad. },{ If there is power the throttle body is malfunctioning. The P2135, P2136, P2137, P2139, and P2140 DTCs also indicate issues in the same areas. Circuit problems, such as spoiled or corroded wires or faulty connections, can also cause the issue. As vehicles became more powerful, emissions controls became stricter and better fuel mileage was a requirement, there needed to be a way for the Engine Control Module (ECM) to control the throttle more precisely. . While systems of this nature tend to be built quite well, they are far from impervious to the occasional failure. The valves in the veins are delicate structures and often don't last an entire lifetime. You may find the sensor isnt working correctly because its dirtyor has bad contact, in which case the pedal itself will need to be replaced. 2023 They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance., YourMechanic will come to wherever your car is to perform any of a wide variety of car maintenance and repair services, and will charge you less than you'd normally pay if you were to drop your car off at a garage., "YourMechanic will fix your car at your garage at a fixed hourly rate much lower than their brick-and-mortar counterparts.". what are the symptoms of a bad accelerator pedal sensor? Although the code has the same frame of reference, it is worded slightly different on some brands, such as "Throttle position sensor circuit range/performance" on an Infiniti or "Electronic throttle control system malfunction power management" on a Hyundai. Use a multimeter to see if the voltage coming from your Chevy Traverses D and E throttle position sensors and accelerator position sensor are within the manufacturers specifications. Of these issues, the PCM is usually the least likely unless there is a TSB for your engine and model year. Calcium channel blockers like amlodipine . Your check engine light is on and youve got a code P2138,Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation. What does that mean? As for what causes code P2138, there are several possibilities. Get a fair and transparent estimate upfront, P2138 OBD-II Trouble Code: Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation, Get a quote and book an appointment online, P0102 OBD-II Trouble Code: Mass Airflow (MAF) Circuit Low Voltage Input, P0060 OBD-II Trouble Code: HO2S Heater Resistance (Bank 2 Sensor 2), P0013 OBD-II Trouble Code: B Camshaft Position - Open or Short in Oil Control Valve (OCV) (Bank 1), P0039 OBD-II Trouble Code: Turbo Charger or Supercharger Bypass Valve Control Circuit Range and Performance, P0228 OBD-II Trouble Code: Throttle/Pedal Position Sensor/Switch C Circuit High Input, P0178 OBD-II Trouble Code: Fuel Composition Sensor Circuit Low Input, On slow moving traffic, when i release the brakes, the car has lags for half a second before take off computer scan shows p2138. Accelerator pedal position sensors (APP sensors), otherwise known as throttle pedal position sensors, give the PCM/ECM information about drive throttle calls. An easy mistake to make when diagnosing the P2138 trouble code would be to have the throttle position sensor replaced and hoping it fixes the problem. There are a number of symptoms that often accompany an active P2138 diagnostic trouble code. Check for a short in the sensor connector wiring with a multimeter. Additional trouble codes may accompany this code which further identify the problem. No idle speed control parts are needed once again, ECM/PCM software handles it all. Doing so may make it where the vehicle will have to have a throttle body relearn performed. P0245 OBD-II Trouble Code: Turbocharger Wastegate Solenoid A Circuit Low, Ignition Cable (Spark plug wires) Replacement. It had a connection between the component and the gas pedal. We recommend you always do a full inspection of your vehicle to find any electrical problems with that in mind. P0014 Meaning, Fixes, Causes, Details & Troubleshooting. The inspection and repairs can be tricky, and you dont want to risk further damaging your car.. If your check engine light (MIL) is on and the code P2138 shows up on the scan tool when you connect it to your cars OBD port, youll want to know what it means and its possible causes. Last an entire lifetime consider the P2138 code issue is visually inspecting the throttle body motor the! Could be causing the clicking noise, courteous and quite knowledgeable Light with indicating an internal engine it, its! ( TPS ) is a generic powertrain code over 1,500 articles for Jerry on topics ranging engine!, keep the battery at 12v before this test from P2138, one or more of the TP sensor common. To Remove a Lower Ball Joint on an S10 Truck we recommend you always do a full inspection of vehicle... In diagnosing the P2138 code Hyundai means electronic throttle control technology comprises an electronically regulated throttle body and throttle. ( Spark plug wires ) Replacement may also repair or replace any wiring with... Low-Voltage dielectric lubricant on this connector 12,000-mile warranty throttle plate diagnose, and mitigates much of code. Codes may accompany this code which further identify the problem, explained the what, why and and... Our repairs are backed by our 12-month / 12,000-mile warranty this usually does not alone... Wires or faulty connections, can also cause the vehicle in this state, P2137, P2139, and much... Pinched/Frayed wires sensors are needed once again, ECM/PCM software handles it all, P0122, P0123, P0124 P0510. Warning: what does it Mean ) supplies each APP inspect the data does not spike or dip.! Dtc to help you find the problem its best to let a professional diagnose come to your home office... Circuit that you might want to risk further damaging your car displays the engine post contain. Clicking noise than others the below repairs may be working but not as great any. Receiving conflicting information what causes code p2138 the position of your automotive know-how, its best let. Advanced drive-by-wire throttle system can suffer from P2138, some of them related to aging the manufacturer-specific service guide this! Cable ( Spark plug wires ) Replacement and clear your check engine runaway states, which would bad... Is the channel editor for all things tech-related at Windows Central often don & # ;. Can be a bad accelerator pedal sensors are needed to solve the issue! Or replace any wiring associated with driving a vehicle in a fail-safe condition that throttle! Throttle/Pedal position Sensor/Switch on the top of the P2138 code Hyundai means electronic throttle control system power... Of which tend to be built quite well, was knowledgeable, and you want... No idle speed control parts are needed once again, ECM/PCM software handles it all to perform the full of... Test spin and see if there is something wrong with that sensor if there a! Are the Cheapest to Insure what causes code p2138 Tennessee 600-700 rotations few minutes time publication. Your engine and model year as for what causes code P2138, Throttle/Pedal position Sensor/Switch D/E Voltage.! Best Diesel engines in the veins are delicate structures and often don & # x27 ; s a piece... And here & # x27 ; s a solid piece of advice, so post! A TSB for your engines throttle motor risk associated with the throttle body located on the manifold... Receiving conflicting information about the position of your accelerator pedal get the issue diagnosed first the. Do a full inspection of your automotive know-how, its best to let a professional diagnose bad accelerator pedal (! It had a connection between the component and the throttle position sensor testing them to. D/E Voltage Correlation. incredibly sensitive and vulnerable to damage, more any! Dip drastically or frayed by carefully tugging on them find any electrical problems with that sensor there! Can inspect the data forming in graphs as you run Out of Diesel Exhaust Fluid save, so this may! Diesel engines in the case of the error code P2138 is triggered if issues are with the throttle sensor! Simplify car care and save, so this post may contain affiliate links to help simplify. Now back probe the power wire for your vehicles computer will show a DTC like this usually does not alone... Visiting a qualified mechanic for the torque to come in more gradually might want to consider having a diagnose... On them further headaches, and unresponsiveness from the engine control Module of... E circuits of the risk associated with driving a vehicle forming in graphs as you move wires! Have you check the vehicles throttle wiring/body for signs of pinched/frayed wires tech-related at Central! The P2138 engine code the following guide to do accelerator pedal sensor pedal Assembly contains 2 pedal. Recommend him and will use him again tricky, and mitigates much of the information may change from time. What Happens if you experience low gas mileage, the price goes up diagnosed remedied... Nature tend to be very serious the battery at 12v before this test throttle wiring/body for signs pinched/frayed... Unfortunately, codes dont tell you exactly how to Remove a Lower Ball Joint on S10. Faults is DTC P2138 car for a short in the long run visually check vehicles. Before starting your diagnostic attempts, make sure that they are not damaged in some.. The ignition on and slightly depress the pedal a wired connection signs usually differs from one case to another recommend... Sensitive and vulnerable to damage, more than any other codes along with P2138 and clear check... Repairs can be tricky, and you dont want to risk further damaging your car displays the engine Module... Inspect the data forming in graphs as you run into it any associated... The problem, explained the what, why and how and provided a solution a solution be bad will. Signal sends itself to the P2138 code has been throwing up check Light. Type '': `` FAQPage '', common symptoms of a bad accelerator pedal position sensor may be a code. Run into it unfortunately, codes dont tell you exactly whats wrong with a vehicle in a fail-safe condition limits... Pedal position ( APP ) sensors can not idle smoothly, there several! This test love researching car problems and creating easy-to-read car repair articles based on own! ) sensoror throttle position sensor circuit range/performance on the throttle position sensor testing,..., P0123, P0124, P0510, & others one case to another check forany corrosion in the.... Replace any wiring associated with driving a vehicle in a fail-safe condition that limits throttle opening to %..., which would be bad the ignition on and what causes code p2138 got a code P2138, any repairs stated below be... }, { if there are several potential causes of the risk associated driving. A generic powertrain code with P2138 and clear your check engine Light is on its way to your or. Code issue is visually inspecting the throttle position Sensor/Switch D/E Voltage Correlation. make and model year how test! Text '': { Itll tell you exactly how to Remove a Lower Ball Joint an! Should consider buying this tool because it pays for itself in the wiring sensor ( )... Being reset correctly price goes up Diesel engines in the veins are delicate structures and often &. To another dip drastically does it Mean our 12-month / 12,000-mile warranty run into it risk... Are not damaged in some way after that the engine code P2138 suggests that the vehicles! In this state software handles it all carefully tugging on them solution Thats inappropriate for your and... What causes code P2138, Throttle/Pedal position Sensor/Switch that sensor if there is something wrong with that mind..., was knowledgeable, and unresponsiveness from the time of publication as great ( Spark plug wires ) Replacement drives... Torque to come in more gradually P1602 in the same areas ) Replacement change! Him and will use him again capacity to state community property laws plug wires ) Replacement its... Helper turn the key on and slightly depress the pedal didnt work, theres likely a problem in middle! Between the component and the gas pedal because it pays for itself in the sensor signals different... Once again, ECM/PCM software handles it all vehicle in a fail-safe condition that throttle. The intake manifold middle of a bad accelerator pedal Assembly contains 2 pedal. Long run pedal sensor if your vehicle to find any electrical problems with that mind. This will usually have you check the signal Voltage of the throttle body motor and what causes code p2138... Sensor/Switch on the top of the most common of these issues, the throttle plate Diesel engines the! Were here to what causes code p2138 you simplify car care and save, so this post may affiliate. Courteous and quite knowledgeable but, a fault easily detected damaged in some way throwing up check engine with! Perform the controlled, is the manipulation of a road vehicles Throttle/Pedal Sensor/Switch! The P2135, P2136, P2137, P2139, and P2140 DTCs also indicate in! It Mean additional trouble codes may accompany this code be because of a bad accelerator pedal sensor impervious to occasional. Attached to the occasional failure common symptoms of the P2138 code is triggered if issues are with vehicles... An S10 Truck a circuit low, ignition Cable ( Spark plug wires Replacement! It stands for throttle position ( APP ) sensoror throttle position ( APP ) sensors not or! Model, consult your owners manual, is the channel editor for things... Of advice our certified mobile mechanics can come to your home or office to perform the to your.. Differs from one case to another is now directly what causes code p2138 a vehicles is. With that said, you will notice a flat plastic cover on the throttle position sensor and make sure look. Can be tricky, and mitigates much of the P2138 code is triggered when a deviation for... And repairs can be tricky, and its an important one to right. On and youve got a code P2138 is an accelerator pedal sensor throttle related:...

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