Ford throttle body relearn procedure How to do a Ford throttle body relearn procedure. A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. What does that mean? Additional trouble codes may accompany this code which further identify the problem. The pin that centers and supports the gear fits into the throttle body housing and the top pin fits into the "thin" plastic cover. Additionally, the check engine light will illuminate and the code will be set. It's mission is to afford greater control over the emissions, fuel economy, traction and stability control, cruise control and transmission responses. Photo of a throttle body, throttle body position (TPS) sensor is the black part to the lower right: The computer monitors the correlation of both voltages. If you’re tracking down a wiring issue, Eautorepair.net is the better choice. If not, replace the throttle body. Probe the throttle body connector for power to the throttle motor. NOTE: This information is presented for information purposes only. 2) Run a jumper wire from the positive battery cable to the now disconnected negative battery cable terminal. The TPS reports the throttle position to the engine control module, which uses the signal to adjust fuel delivery and ignition timing. He was absolutely right, the music sounds like Day of the Tentacle meets Star Wars and is well worth a listen. Pricing: ---Eautorepair.net--- 1 month subscription $19.95 per vehicle 1-year subscription $29.95 per vehicle 4-year subscription $44.95 per vehicle ---Alldatadiy.com--- 1-year $29.95 subscription: additional vehicles $19/95 each 5-year $49.95 subscription: additional vehicles $34.95 each Which one should YOU choose? When they deviate for two seconds, the code P2138 is set indicating a malfunction somewhere in the system. Other throttle related DTCs: P0068, P0120, P0121, P0122, P0123, P0124, P0510, & others. It will eventually learn it on its own, but it may take over a week of driving, during which time you will experience high and low idle speeds and possibly rough idle. A few points about the electronically controlled throttle. Place a small amount of electrical grease on the terminals and reconnect it. The battery will be used for 30 minutes without the alternator available for charging. If you need to dig into your doors, dash or console, Alldatadiy.com is the better choice because Eautorepair.net doesn’t any interior or exterior trim or body part removal. Possible bare wire on pigtail shorting to ground. Look online for wire terminal identification on the throttle body of your vehicle. NOTE. ... • Release throttle when fuel cut-off occurs or if RPM value is exceeded. 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. The automotive trouble code P2138 throttle/pedal position sensor/switch D/E voltage correlation refers to a problem related to the throttle's ability to open and close properly. Turn off all electrical accessories before proceeding. If any are present, call the dealer and ask if they sell just the top cover. It's been my experience that the wiring connector or "pig tail" on the throttle body gives problems in the form of a poor connection.The female terminals on the pigtail corrode or pull out of the connector. It drives a large "plastic" gear attached to the throttle plate. These are example steps, and not in any order. Diagnostics and Drivability. An ACDelco GM Original Equipment Throttle Position Sensor Kit comes with the needed parts to replace your Throttle Position Sensor (TPS), and is a GM-recommended replacement for your vehicle’s original component. The motor has a small metal gear protruding up through the housing under the cover. If there is power the throttle body is malfunctioning. Super Bombad Racer was a Star Wars racing game released for the PS2. 6) Drive the vehicle at various speed so the PCM learns shift points. If you don’t do a relearn procedure, the PCM will “hunt” for a new baseline idle. you take on any vehicle. your question in our FREE car repair forums. It will have 5 volts for reference and next to it a varying signal. Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. P1, P1 or P2, P1 and P2. For example, on a Nissan, turn the ignition on and wait 3 seconds. Check online or in a service manual for a possible relearn procedure to reset the computer. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. 5) Start the engine and let it idle for a full 10-mins until it reaches full operating temperature. All content © 2004-2021 OBD-Codes.com, 2006 Nissan Titan code p2138 throttle/pedal positioning sensor switch d/e voltage correlation. For example, trigger the lights when rpm exceeds 6000 rpm, or when trans temp exceeds 230 F and coolant exceeds 210 F, or when air fuel ratio is above 12.5 and throttle is above 75%. All information on this site is copyright protected. This is a generic communication system diagnostic trouble code that applies to most vehicle makes and models, including but not limited to Dodge, Ram, Chevrolet, Ford, GMC, and VW. The voltage should climb from .5 to 5.0 smoothly. 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. The new "electronic throttle control" technology consists of a accelerator pedal position sensor, an electronically controlled throttle body complete with an internal motor, two embedded throttle position sensors for correlation factors and the engine management computer. With a voltmeter, probe the accelerator pedal sensor. Launch Tech USA: Perform throttle body relearn using X-431 Throttle. Dec 9, 2020. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations. The engine will die a couple of times as the idle is being relearned by the ECU. Apart from the accelerator pedal sensor, the remainder of the components are in the throttle body. Normally I couldn’t care less about a Star Wars game, let alone a Star Wars racing game; but a few years ago Jake mentioned that the music is by Peter McConnell and is really good. This system is incredibly sensitive and vulnerable to damage, more than any other system. Inspect the top cover on the throttle body for cracks or warping. Starting in early 2000’s, many car makers including Ford started installing fly by wire electronic throttle bodies. 4) Turn the key to run and wait for all warning lights to turn off. Installation Instructions. Q How do I relearn the throttle body on a 2015 5.3 Chevy Silverado I have the ported 6.2 throttle body and intake manifold and I think that the idle isn't correct cause you can hear a whistle coming from the throttle and the check engine light comes on when at idle answer now The short circuit you’re creating here is designed to drain all power from the capacitors inside the PCM. CAM Variation Relearn. NOTE: This P2138 DTC is basically the same as P2135, P2136, P2137, P2139, and P2140, diagnostic steps will be the same for all codes. Here is a photo of an accelerator pedal complete with attached sensor & wiring: Photo used with permission by Panoha (Own work) [GFDL, CC-BY-SA-3.0 or FAL], via Wikimedia Commons. For example, on a Nissan, turn the ignition on and wait 3 seconds. ACDelco GM Original Equipment Fuel Injection Throttle Body Heater Pipe is a GM-recommended replacement component for one or more of the following vehicle … Check online or in a service manual for a possible relearn procedure to reset the computer. The bottom line is, it can be a dangerous situation when control over the throttle is lost. In response the computer sends a voltage to the electric motor to open the throttle plate. 2018 Silverado DTC P2138 - Stranded 3 times so far... 2006 Acura TL Error Codes P0134 P2251 P2138 P0134, Pilot 2005 - P0137, P2138, P0300 & P0302 to P0306, 06 Pontiac Grand Prix Base Model Codes P1125, P2138, P2125, post Wait 7 seconds, press, and hold the pedal for 10 seconds. 1) Disconnect the negative battery terminal. This houses the gears to actuate the throttle plate. Then continue to let it idle for an additional 5 minutes. To perform a relearn on a Passkey II system, make sure there is a fully charged battery in the vehicle. Watch the engine temp gauge and note when it reaches operating temp. Do this with the negative cable DISCONNECTED from the battery. Leave the jumper connected for about 2-mins. The TPS converts throttle movement and position to a voltage signal and sends it to the engine management computer, which uses the varying voltage signal to form engine management strategy. Within the next 5 seconds depress and release the pedal 5 times. It should slowly drop as the engine heats up. Throttle body relearn procedure for a Toyota Corrolla, Auris, Blade. Here’s a post on how to CLEAN A FORD ELECTRONIC THROTTLE BODY. Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Crown Victoria, Grand Marquis, Lincoln Town Car, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. Look for corrosion. Turn off headlights, blower motor, radio, wipers, etc. When both voltages agree, the system is functioning properly. Inspect it closely for missing or bent female terminals. your question in our FREE car repair forums. The first thing to do is go online and get the TSBs (technical service bulletins) for you vehicle relating to the code. If no power is present, the computer is at fault. Wait 10 seconds and depress the pedal again for 10 seconds and release. Have a helper turn the key on and slightly depress the pedal. These TSBs result from customer complaints or recognized problems and the factory recommended repair procedure. Launch Tech USA: Perform steering wheel angle sensor learn using X-431 Torque. If you still need help regarding the P2138 trouble code, please post However, Alldatadiy.com also includes disassembly instructions for interior trim panels and exterior items like headlights and tail lights. Used to relearn if vehicle has been flashed and/or if CAM position sensor has been changed. Once you have downloaded and installed the reader, simply click on one of the install instructions listed below to download and view the instructions. The reason I purchased this scan tool is because I needed to reset/relearn my 07 Silverado ECM idle throttle. When the check engine light begins to blink, release the pedal. Turn the key on and slowly depress the pedal. 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