Fiat 500 throttle pedal fault. Click here for more information.


  1. Fiat 500 throttle pedal fault. This code appears when the sensor sends inadequate or erratic signals to the 500’s onboard computer, affecting its performance. Push the gas pedal to the floor andnothing. Instead, your vehicle has an accelerator pedal position sensor that sends a signal to the computer, and from that signal the computer operates the electronic throttle body. Citroen Vehicle: Fiat 500,Fiat Bravo,Fiat Croma,Fiat Grande Punto Feb 2, 2025 · P0120 code refers to a problem with the Throttle/Pedal Position Sensor/Switch A Circuit. Spontaneously a "Check Engine" sign appears and transmission stops to switch shift to Neutral mode. Oct 20, 2024 · The P0120 code is a signal that your vehicle's throttle position sensor circuit is experiencing issues. Track 1 and 2 now showed 0,75v! Pedal has been replaced but issue persists. The throttle response in Sherpa is much reduced wrt Range. Feb 19, 2023 · The electronic throttle control – Learn what this warning light looks like, its causes, and how to fix them. it has an intermittent misfire. Sep 14, 2020 · Hi, investigating a new fault on my partners 2013 Fiat 500L. I believe that there is a problem with either the throttle body or the sensor on the pedal. Also, when driving it at high speeds (70mph+), sometimes the engine management light will come on and the car starts chugging as if I'm running out of petrol. If I'm cruising at a steady speed and I step on the pedal to accelerate it wouldn't do anything until I fully release it first. Hope this helps. Jan 20, 2025 · I’ve gone back to the factory throttle body, factory thermostat sensor, the factory gas pedal and re-leaned it all to the PCM. I'm thinking the ECU is at fault and only giving ~half voltage. 84% and decreases around 10% to full throttle. Your 500’s throttle body controls the amount of air that enters the engine. 2 2014. Just driving along and all of a sudden no throttle response on my B6. You will need a wiring pin-out to test the TB effectively. There was a voltage too high in one of the cables from the pedal to the ECU which gave a TPS sensor fault. Oct 23, 2014 · Hello, I have a question, if I change the electric throttle-body of my 500 1. There was a languid reaction to a pedal of gas. If selection is OK but it keeps jumping out of gear, it's more likely to be an internal gearbox fault. It runs perfectly from cold until you stop it and try and restart it again. In this article, we’ll take a comprehensive look at the P0120 code, including its severity, common symptoms, underlying causes, and the necessary diagnostic and repair steps. Worn selector plates inside the box is another possibility. Aug 30, 2024 · Just last week, a customer brought in their Fiat 500 with complaints of poor throttle response and the engine going into limp mode. After a while it will start to Oct 7, 2014 · P2100 throttle actuator control (PWM), Overtemperature P2101 throttle, HW Malfunction P2107 throttle, Dynamic behavior P2108 throttle P2111 Actuator throttle stuck open P2112 throttle actuator stuck closedPlausibility P2135 between sensor ped. What causes OBD-II fault code P0120? The Throttle Position Sensor/Switch is located on the Throttle Body of the Intake Manifold and the Pedal Position Sensor/Switch is part of the Accelerator Pedal assembly. May 12, 2022 · Fiat 500 Accessories: Eliminates delay from the electronic gas pedal, providing faster acceleration and a more dynamic driving experience 36 Adjustable Settings: Offers four modes—Eco, City, Sport, and Sport+—with nine additional settings per mode for personalized control. Twice now, I have been driving at highway speeds (80+) and experienced a total loss of throttle response following moderate braking (e. As such, a vehicle’s PCM determines that the engine’s throttle position is not as it should be based upon user demands. It's happened several times on the freeway that suddenly the ETC warning lights go off on the dashboard and the accelerator pedal stops working. . Faulty sensors can lead to discrepancies in readings between the brake and accelerator pedal positions, causing incompatibility. Fiat "500" Stainless door sills by Mopar. These sensors tell the engine control module (PCM) how fast the driver wants to go and how quickly it needs to get up to speed. Jan 23, 2024 · Possible but unlikely. 2013 Fiat 500 Sport AT, Xpel Ultimate Clear Bra, 3M Crystalline Window Tint, Black top stripes, Black "500" (wide) side stripes. We would like to show you a description here but the site won’t allow us. You control the throttle body position with the gas pedal. Learn the symptoms of a bad throttle position sensor and how to replace it. FIAT 500 GOPedal by MADNESS will significantly improve throttle response or your money back! Throttle response controller for your vehicle!, A036. uk Jul 22, 2014 · I wasn't there at the time, but the code returned was "P1220 - throttle sensor malfunction". 863 Dec 18, 2024 · I think the Range Throttle Response 'Reduced until floored' is a bit pessimistic. I have a basic code reader which has brought back the following 3 error codes P0221 - Throttle Nov 12, 2019 · If your Fiat 500 has a faulty throttle body, it can cause it to run terribly. Get the best Fiat 500 upgrade today! May 6, 2015 · Anyway back to the 500, I have scanned the fiat which brought up the fault code P1220, Accelerator Potentiometer fault. 906 There are countless upgrades available for your FIAT 500 ABARTH, why not start with something you can feel! Throttle response controller for your vehicle!, A108. As the throttle is opened, the reading (measured in volts) goes up. Luckily I'm in the far right lane and coast to the side. Which would suggest that the pedal sensors are working OK so more likely to be the throttle body TPS at fault. Again no problems since the other day. When the PCM detects a problem with this sensor or the Nov 12, 2019 · If your Fiat Punto has a faulty throttle body, it can cause it to run terribly. Your Punto’s throttle body controls the amount of air that enters the engine. Description OBD-II Trouble Code Description for P0121 Fiat Throttle/Pedal Position Sensor/Switch “A” Circuit Range/Performance What does this mean? OBD2 Code P0121 Fiat definition: The Throttle position sensor is a potentiometer that measures the amount of throttle opening. 2 69bhp 63 plate 500S. Jun 19, 2015 · The car will run for about 1 - 3 minutes and then it triggers a check engine light and displays a message that the ESC & Hill Assist are unavailable, the engine starts to make a chugging sound and holds the revs around 1700RPM, throttle pedal is dead during this. Using my scan tool I have read the Absolute pedal position sensors D and E and they seem fine. g. The engine was bouncing around a between a low idle (rough sounding) and as high as 2k RPM with no peddle input. Hi I have taken my Fiat 500 into a garage today as the engine light and ECU warning light have been showing the past week but the car has been driving fine. In this video, I Jan 6, 2024 · I hesitate to jinx it, but I will add that I put a decent OBD reader on this, I could see the two throttle position sensors giving different values, I replaced accelerator pedal with a used ebay part, OBD reader showed throttle positions to be not quite the same on the new pedal, but very very close, a small point of a percent, and the problem Apr 23, 2019 · The throttle peddle was completely dead- no tach response at all. There are countless upgrades available for your FIAT 500 ABARTH, why not start with something you can feel! Throttle response controller for your vehicle!, A108. NOTE: The PCM knows that any large change in throttle position means a cooresponding change in manifold pressure (MAP). Sprayed pedal plug. Learn what steps will fix this potentially serious code. In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the Description OBD-II Trouble Code Description for P0123 Fiat Throttle/Pedal Position Sensor/Switch “A” Circuit High What does this mean? OBD2 Code P0123 Fiat definition: A P0123 Fiat code means that the the car’s computer has detected that the TPS (throttle position sensor) is reporting too high a voltage. 863 Feb 17, 2020 · Posting this story as it might benefit others with the same issue. 906. Mar 31, 2025 · Like mentioned above I have cleaned the throttle body. I'll try to make a long story short. Jun 4, 2017 · Can I please get some advice on what could be wrong with my daughters 2014 1. Cable problems usually result in having difficulty selecting gears. I have to put the key in MAR and press the throttle a couple time and then restart the car for it to go away. When facing a P0638 Throttle Actuator Control fault code, it’s important to thoroughly investigate these components. 906 Feb 21, 2023 · Newer cars use an electronic accelerator pedal. Nov 15, 2023 · The P2135: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation code indicates a problem with the correlation of voltage signals from the throttle position sensor and the pedal position sensor. Jul 23, 2014 · Hi, Page 3 of what? To further confirm the fault is the pedal sensor use MES with engine stopped and on the parameters tab tick the boxes for Throttle position %, Throttle position track 1, and Throttle position track 2. There's a similar thread What does this mean? OBD2 Code P0124 Fiat definition: The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. I have changed a throttle body with Self-adaptation FIAT 500 SYMPTOMS OF BAD THROTTLE BODY, FIAT 500 ABARTH THROTTLE BODYIf you have Fiat 500 or Fiat 500 Abarth and you want to know the symptoms of bad throttl Throttle/Pedal Position Sensor/Switch “B” Circuit What does this mean? OBD2 Code P0220 Fiat definition: Electric Throttle Control Actuator consists of throttle control motor, throttle position (TP)sensor, etc. Specifically, it points to an issue with the correlation of voltage between sensors D and E. Feb 8, 2008 · 2019 Fiat 500 1. The throttle position sensor has the two sensors. 863 FIAT 500 GOPedal by MADNESS will significantly improve throttle response or your money back! Throttle response controller for your vehicle!, A036. The throttle position sensor responds to the throttle valve movement. I changed the throttle pedal, then the throttle body but still the fault kept coming back. This isn’t an issue on older models because the throttle body was connected directly to the accelerator with the help of a cable and a mechanical link. 2 Electrical Wiring Fault P2146 Injector Group 1 Electrical Wiring Fault Jul 23, 2014 · Unlike when I had to change my throttle body, pedal and then ECU because the code couldn't be specific. When the PCM sees a voltage that is outside of normal operating range, P0120 Fiat will set. I consider that the throttle response in Range has to be less sensitive over the first 25-50% of the pedal travel so that 1-pedal driving is smooth. 863 The P0121 code indicates a problem with your throttle position sensor. 863 FIAT 500e MADNESS GOPedal Throttle response controller for your vehicle!, A036. Quote Reply Like Sort by Oldest first Slow_Lane FIAT 500L MADNESS GOPedal - Designed to fit all 500L Models Throttle response controller for your vehicle!, A036. Aug 16, 2023 · The P0120 code indicates an issue with the Throttle/Pedal Position Sensor “A” Circuit in your Fiat 500. Jan 3, 2016 · Hi guys! At my wits end with my 1. acc. Mar 29, 2025 · Get a grip on your car's P0121 code with our guide! Dive into the causes, symptoms, fixes, and preventive tips for a smooth drive ahead. Find out the most popular Fiat fault codes along with what they mean. What does that mean? Some newer vehicles are equipped with drive by wire systems - where the throttle body is Jan 21, 2025 · I turned car off/on (ACC). This code is triggered when the engine control module (ECM) detects an abnormal voltage signal from the throttle position (TP) sensor and/or accelerator pedal position (APP) sensor that doesn't match the expected Feb 22, 2024 · Preventative Measures and Maintenance Tips To prevent throttle pedal position sensor issues and avoid the P0120 code, there are a few maintenance tips and preventative measures you can take. Im assuming this is a fault with the accelerator pedal as it's all built into one box. If you can find separate throttle body readings on the live data, they would help confirm it. Also includes links to relevant forum topics on the code. May 16, 2016 · Has anyone else experienced this who has a go pedal? Are there any known issues with the stock fly by wire throttle input on this vehicle? Apr 12, 2018 · Is this a fault with the throttle body? Would replacing the throttle body fix the problem? Any advise would be appreciated Aug 7, 2014 · FIAT 500 - Fiat 500 - Throttle Problems. 2 Euro5, will it be re-adapted after automatically? Or this there a special procedure necessary for re-adaptation? Or can it be done only by the dealer with a special test-tool?? Thanks. This issue can significantly affect the vehicle’s performance, potentially causing erratic throttle responses, stalling, or even preventing the vehicle from driving properly. Jan 7, 2023 · The P2135 code indicates that the voltage reading between the accelerator pedal position sensor and the throttle body position sensor doesn’t match. This means there’s no throttle cable between the accelerator pedal and the throttle body. Sep 2, 2023 · It looks like both pedal sensor voltages are the same each time. I have a basic code reader which has brought back the following 3 error codes P0221 - Throttle position Apr 16, 2022 · Trouble. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit Detailed information on troubleshooting and repairing a p0120 vehicle trouble code which refers to a malfunction in the throttle position sensor/switch TPS A circuit. According to the shop I took it to, the throttle body needs to be… May 7, 2025 · DTC P2135 indicates that the voltage present at a vehicle’s APP (accelerator pedal sensor), and that found at the TPS (throttle position sensor), are not in agreement. 2 Manual First time driving my other half's new car and noticed the throttle pedal resistance isn't constant across full pedal travel. The automotive trouble code P2135 throttle/pedal position sensor/switch A/B voltage correlation refers to a problem related to the throttle's ability to open and close properly. If its low I sometimes get power steering faults too when starting the car, must be the current surge from turning the engine over. We ended up changing the map sensor and throttle pedal as well as throttle body but it was still doing it, in the end I refitted the clutch switch which I had removed to stop the annoying auto rev when the clutch is raised and the problem went and has never returned. Apr 24, 2024 · When dealing with the Brake Pedal Position/Accelerator pedal position fault code, it’s vital to address sensor issues promptly. 2 500 which has done 47k. Aug 21, 2024 · Learn about the P0120 - Throttle Position Sensor Circuit Malfunction, its impact on your vehicle, symptoms, and troubleshooting tips. I Jul 27, 2006 · Only time I have ever had a hill holder fault on my 1. This code refers to the “Throttle/Pedal Position Sensor/Switch “A” Circuit” issue, which can cause several serious issues if not addressed. Throttle Actuator Control Range/Performance (Bank 1) This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. Other than changing ECU, how could I fix FIAT 500e MADNESS GOPedal Throttle response controller for your vehicle!, A036. This sensor controls engine operation such as fuel cut. The throttle body system helps your engine accelerate smoothly. I've jiggled all cables at pedal and ecu. Firstly, make sure to regularly inspect the throttle pedal position sensor and its wiring for any signs of damage or wear. 863 Jun 9, 2010 · The car at regular intervals became in emergency operation. Learn the symptoms of a bad accelerator pedal position sensor and how much it cost to replace it. Sometimes the gas pedal would stop working. Twice now I've barely avoided seriously Jan 27, 2019 · P2299 code, the Powertrain Control Module (PCM) detects a brake application with the APP sensor showing a fixed pedal opening, temporary or permanent. Jun 14, 2018 · Hi there! I just recently picked up a manual 2012 Fiat 500 Sport and have an issue where the car goes into a sort of limp mode every other day, where I cannot rev past 4k rpms. P2122 quick overview Sep 15, 2020 · Hi, investigating a new fault on my partners 2013 Fiat 500L. Lift my right foot off the pedal, do a 1-Mississippi count, put my foot back down on the pedal, and the What does this mean? OBD2 Code P0221 Fiat definition: Electric Throttle Control Actuator consists of throttle control motor, throttle position (TP)sensor, etc. Default action the ETC ligh illuminate. Touch wood, the issue with my wife's car is just a simple glitch related to that code. Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. 863 There are countless upgrades available for your FIAT 500 ABARTH, why not start with something you can feel! Throttle response controller for your vehicle!, A108. However, to fully understand the gravity of this situation, one must first grasp the concept of Oct 2, 2019 · I've been away from the forums for a while, enjoying my issue free car. Customize the throttle feel precisely to your needs with 4 modes and 36 settings. 4 Sport was when the battery was low. Apart from the ponderous standing start that every Euro 6 car I've driven has, the engine response is normal so it seems to be the drive by wire pedal. The 500 gearbox is prone to bearing wear, and if this becomes excessive, can cause the car to jump out of gear. Dec 20, 2021 · Fiat 500 – (GabrielPreda6 / Shutterstock) The most common causes for slow acceleration in Fiat 500 are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs and clogged catalytic converter. Jan 2, 2020 · Your vehicle has a drive-by-wire throttle system. When the I feel a "disconnect" from the throttle to engine, and it starts to lose power; and the gas pedal is unresponsive. Boost up your Fiat 500 with Pedal Commander! Get rid of the throttle delay and instantly start enjoying better acceleration. Restarting it seems to solve it (but limp mode persists until I clear DTC). There are two wires that are 5v feeds from the ECU to the throttle pedal. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM). There was such mistake on scanner: P1220 (SERIES THROTTLE CONTROL MALFUNCTION). Internally the PCM will reduce throttle opening below driver demand. At constant throttle it sometimes struggle to stay at the same percentage. Jul 23, 2014 · Penultimate update on this, the Garage has found the fault. Everything goes away but code P2127. It then struggles to idle, won’t rev and pressing the throttle pedal does very little. P2135 quick overview Sep 10, 2024 · Understanding the P2138 Throttle Position Sensor Code The P2138 is a generic OBD-II trouble code that indicates a problem with the throttle/accelerator pedal position sensor circuit. This fault is most likely caused by an issue with the sensor itself, its wiring, or the Powertrain Control Module (PCM) interpreting its signal. One of these is bang on 5v the other is fluctuating to 6v. Yeah your prob was slightly different wasn't it. I got a “Service Electronic Trottle Controller” message on my 2016 Fiat 500x. Click here for more information. P0120 error (Throttle/Pedal position sensor/Switch A Circuit) | FIAT 500 (2007+) Dear coclubbers! I have a disappearing bug in my 2009, Fiat 500, AT, 1,4. Jul 25, 2016 · Yes. Dec 9, 2024 · The P2138 code indicates a problem with the throttle or pedal position sensor. Properly to go in such mode it is impossible. I have a TPS (Throttle Position Sensor) error and 3 lights up on the dashboard of my 2012 Fiat 500. Jan 17, 2017 · Another fault that occurs usually near or at the time of a engine cut out is no throttle response even though the engine is still running and stuck at high revs and all the warning lights light up. The garage disconnected the one that is too high and temporarily wired it to the one that is correct and the car is behaving properly. See full list on actronics. If your Fiat 500 has problems with the accelerator pedal being unresponsive, this may be the consequence of pedal failure, throttle unit problem, ECU issues, or wiring problems. co. Oct 19, 2017 · But it went into Fiat anyway as under warranty still and they couldn't find the fault on their diagnostics but changed the throttle pedal based on that code I gave them - will report back if it comes back. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. Feb 29, 2024 · I have a 2019 Fiat 500X and I'm having a recurring problem that several trips to the dealership can't solve. As you press the pedal slowly they should move together (the tracks may be different values but should change together). I've just cracked 70k miles and this weird issue started occuring. smoothly feeding in brakes on a freeway offramp). Upon scanning the vehicle, we discovered the P1220 code, indicating a problem with the throttle control system. 1 and sensor ped. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control. Browse through 9 models of Fiat available on site now. The throttle position sensor starts at 87. Apr 19, 2024 · Diagnosing Throttle Actuator Control Range Issues Diagnose throttle actuator control range issues by checking the throttle body, sensor wiring, and actuator motor for faults. This Sep 9, 2024 · What is Code P2135? P2135 is a generic powertrain diagnostic trouble code that stands for "Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation". This sensor plays a vital role in monitoring the position of the throttle plate and relaying that information to the engine control unit (ECU). This sensor plays a crucial role in measuring how far you press down on the accelerator pedal. This means the engine control module (ECM) has detected that the voltage signals from the throttle position (TP) sensor and/or accelerator pedal position (APP) sensor do not correlate with each other as expected. Sep 9, 2023 · Changed the following: Throttle pedal Throttle body maf sensor Took the car for a 20 mile drive and it drives perfect as long as i keep the revs above 1500 as soon as the revs drop below this car goe back into limp mode and management light on ? Any help gladly accepted. They have done a diagnostic check and found codes P1220 and C1221 which relate to the 'throttle position sensor' and 'intermittant throttle issue'. This makes it one of the must-have Fiat 500 accessories Eco Mode: The Pedal Commander throttle response controller Dec 24, 2023 · The code P2122: Throttle/Pedal Position Sensor/Switch “D” Circuit Low Input points out a fault in the circuit connected to the Accelerator Pedal Position Sensor, indicating that the input signal received is lower than expected. Mar 23, 2018 · Hi Just read your post re the P0101 code, had this same fault with our panda which is also 1. It ended up being the ECU. Apparently the AA chap then cleaned it out a bit, popped it back in, reset the codes and the car was able to be driven back home. FIAT 500 Power Pedal by MADNESS Throttle response controller for your vehicle!, A036. au9i tz t3qn4na ac7a8 y9wtqhw9 z7t ieng3b 8m8pggw 4osp vjpc