Prius p1121 accelerator It’s involved in heating the passenger cabin when necessary as well as reducing cold start emissions. Sep 7, 2024 · Frequently Asked Questions about P1121 Toyota Prius Code 1. In your case, it is part of your throttle plate control. The sensor is really two independent sensors, and two voltages come back to the ECM, called VTA1 and VTA2. Check the voltage of your 12v battery in the morning with the car still off, it may be low (a common Prius problem). Shift transaxle to Neutral (display will shift to N) f. I hear the coolant control valve is up to 500 buck to replace. 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). Nov 12, 2013 · The Check engine light on my 2006 Prius came on and I used my OBD reader to determine the code was P1121 - “Accelerator pedal position (APP) sensor - range/performance problem”. 0 hour of labor. If you want to replace it yourself, there are plenty of videos. I'm sure you saw the explanation by Luscious Garage in your Google searches. 2. Aug 12, 2016 · Code says P1121 Accelerator Pedal Position Sensor Range/Performance Problem Just pick up a 2007 Prius with 112k yesterday! #6 Dereko, Aug 12, 2016. Radiator is full to top when cool, but coolant was slightly below the neck recently - added Toyota SSL. We took it to Nissan and had both coolant reservoirs topped off and the light cleared to see if that would help. May 20, 2012 · This thread also mentions that P1121 means the Coolant Flow Control Valve Position Sensor Circuit (is) Stuck 2007 Prius P1116 code and coolant control valve issues | PriusChat So it looks like I need to replace the injector, an oxygen sensor, and a coolant control valve. Apr 9, 2020 · On a 2007 Toyota Prius, diagnostic fault code P1121 indicates that the electric throttle control actuator has failed. Founded in 2003, PriusChat has been the go-to spot for Prius, hybrid, and EV discussion for Mar 22, 2022 · The 2004-2009 Prius utilizes a 3-way valve to direct coolant flow between the engine, the hot coolant storage tank and the heater core. Toyota Prius Master Warning Light / Check Engine Light OBD code P3190. P1121 is a P1 code, which means it's a manufacturer-defined code, which means any car manufacturer can use P1121 to mean whatever they want in whatever car they want. Nov 22, 2010 · Check engine light goes on and off with code P1121. c. Oct 19, 2017 · If you go looking for P1121 on google, or in any generic scan tool library, you're going to find references to "throttle pedal/position sensor" because that really is what P1121 means—in some completely different car. Here is a great video tutorial on how to clean and service your throttle body for a Toyota Prius 2004-2009. Sep 5, 2024 · Code P1121 2007 Toyota Prius Description. Feb 21, 2020 · So im new to the prius world, i bought a 2007 at an auction recently. Nov 30, 2022 · The P1121 Coolant valve is an emission related component that will light up the "check engine" light. 0. TSB EG001-08Part # 16670-21010 Sep 8, 2024 · Frequently Asked Questions about P1121 2008 Toyota Prius Code 1. This component is responsible for controlling the throttle valve to regulate the amount of air entering the engine, which in turn affects the engine's performance and fuel efficiency. The coolant valve moves and if the position sensor feedback on the valve doesn't indicate the valve is in the position it should be the vehicle will show a code that indicated the valve position isn't where it should be. So we decided to put a new coolant control valve in. Bluetooth OBD2 readers and all the various apps for smartphones/tablets are convenient (small and portable) but junk: LIMITED code reading ability (can't read ALL codes) and can NOT do any maintenance (bleed brakes, engine compression check, activate CHRS pump, etc). And the same code is the coolant control valve in a Prius, not the throttle body at all. It read P1121. possible. 19 P1121 Accelerator Pedal Position Sensor Range/Performance Problem / 19. Nov 10, 2008 · I have a 2005 Prius with the P1121 code with no others. The most common causes of these kinds of issues include: Dec 5, 2018 · The check engine light keeps coming on. They should not be the same warning light that come on. Some other manufacturer uses it to mean a throttle sensor in some Jun 7, 2010 · P1121 is actually the coolant flow control valve DTC that the Toyota tech suggested. She was mesmerized by how cool my truck is she didn't realize what she was doing. Sep 5, 2024 · Diagnose the issue using a scan tool to confirm the P1121 code and pinpoint the faulty component. Apr 22, 2019 · Then occaisionally the P1121 (Throttle/Pedal Position Sensor/Coolant flow control valve position sensor circuit stuck) code has popped up randomly, both before and after the flow control replacement. Identifying and rectifying the underlying causes can be Aug 8, 2012 · Again, P1121 in a Toyota has NOTHING to do with the throttle (it does on some other cars) and P1150 is a temperature sensor. (c) Turn the hand–held tester ON. Mar 15, 2005 · My check engine light came on and I put my meter to it. I bet the girl who checked it at vatozone had just previously checked a Prius. Dec 3, 2008 · Yesterday the Check Engine light came on, the code was P1121 Accelerator Pedal Position Sensor Error, Performance/Range I have not yet had the pedal replaced related to the recall (bad me), is the sensor incorporated in the new assembly or is this separate and I'll need to replace it? Jan 19, 2014 · DTC P1121 means that the engine coolant valve had failed, which makes sense since you replaced the valve and the DTC went away. It might unstick by itself one day, but it will stick again. P1121 definitely is a throttle body code, in some completely different other car. Jul 31, 2023 · > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > Get check engine light off, C2300 + P1116 + C1231: Repairs Needed Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Gabriel Begin , Nov 13, 2024 . This is also where to start if your car is throwi This code P1121 is for the accelerator position sensor but the code has been commonly set by sticking throttle motor due to sludge build up in the throttle body. P1121 GMC - Throttle Position Sensor Circuit Intermittent High Voltage This codes has nothing to do with APP - accelerator pedal position sensor . That code has nothing to do with the accelerator pedal position sensor. i have 2004 prius and i'm getting these codes p1116 / p1121/ p3193 P1121: Accelerator module has detected a problem with one of its sensors or there is a system fault. After further investigation on the internet, I see that Prius TSB EGO 18-02 - Accelerator Pedal Position Sensor Range/Performance Problem. On a related note, why was the throttle actuator replaced? Nov 20, 2004 · Hello. Apr 10, 2019 · On a Prius Hybrid this would indicate a stuck or slow moving coolant valve. 0. Some codes readers incorrectly list it as TP problem (with the wording you posted). Codes that relate to that sensor would be P0120-P0123, P0220-P0223 and P2135. How to troubleshoot and repair a Prius P1121 DTC. I should have been watching more closely May 12, 2024 · I got a p1121 on the 05 prius and I was wondering is it a coolant control valve or the pedal sensor? how do I tell which to go for. 2007 Prius with 6 DTCs: P1121 C1242 U0123 U0124 U0126 B1421 I FINALLY got my Techstream adapter working and found these codes on my wife's 2007 Prius. So we took it to have it scanned and it came back as P1121 (Coolant Flow Control). I've read all the P1121 related threads. May 12, 2024 · What is the Cost to Diagnose the Code? Labor: 1. To diagnose the P1121 2005 Toyota Prius code, it typically requires 1. Sep 17, 2024 · How to Fix P0121 2005 Toyota Prius. To diagnose the P1121 2006 Toyota Prius code, it typically requires 1. Apr 25, 2019 · Accelerator pedal position sensor is mounted on the throttle body and it has the 2 sensors to detects the accelerator position and a malfunction of the accelerator position’s own. However, I also have the Toyota Platinum 7 yr/100,000 mile Extra Care plan with 0 deductible. Inspect the wiring and connectors in the accelerator pedal sensor circuit for any damage or corrosion. Had the guy at Autozone give me the codes for free, and after googling around I see that p1116 is about the coolant temp sensor, and p1121 is for the coolant flow control valve. What are the common symptoms of OBDII code P1121 in a Toyota Prius? The common symptoms of code P1121 include overheating, poor engine performance, and the Check Engine light illuminating on the dashboard. prius 2015 prius blanco de ocasión prius segunda mano prius prius glp prius plus prius c prius plug-in 2015, plug-in, Mar 13, 2019 · P0121 is indeed about the signals coming to the ECM from the throttle valve position sensor on the throttle body. Intermittent CEL. The meter just read P1121 Mnfg. Jan 24, 2012 · > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, Maintenance and Troubleshooting > P1121 - Coolant Control Valve Replacement (with pics) Discussion in ' Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Stomper88 , Jan 24, 2012 . Checked the codes myself and only one came up P0101 (MAF). The typical repair costs for addressing a P1121 code related to the Electric Throttle Control Actuator can range from $200 to $500, including parts and labor. Display results as threads Jan 2, 2023 · If you move the pedal from 0% to 75%, the throttle plate shouldn't open at all. Begin by conducting a thorough inspection of the throttle position sensor, wiring, and connectors for any visible damage or corrosion. #4 Suspenderman, Jul 9, 2014. If You're receiving this code, You'll typically have an illuminated check engine light, and very likely no throttle response to pushing the accelerator pedal. (b) Turn the power switch ON (IG). P1121 A P1121 and other DTCs B HINT: If any other codes besides P1121 are output, perform troubleshooting for those DTCs first. I've got our beloved 2005 Prius giving us the dreaded CEL with these two codes: p1116 and p1121. Jun 14, 2020 · Code P0121 2007 Toyota Prius Description. We reset the code and drove it for 15 miles or so and the light came back on. Any ideas?? P1121 on a Prius generally is the three way valve, not TP sensor. This valve is responsible for regulating the flow of coolant in the engine, helping to maintain optimal operating temperatures. You may not have the proper scanner to read all the codes. This sensor is responsible for monitoring the position of the coolant flow control valve, which regulates the flow of coolant through the engine. If you can move the pedal to 100% yet not open the throttle plate at all - you have something physically broken inside the throttle body. Sep 7, 2024 · The P1121 diagnostic trouble code (DTC) for the Toyota Prius indicates a problem with the Coolant Flow Control Valve Position Sensor Circuit. The valve is bad and will get worse over time; permanently stuck in the wrong position. Engine Light On (or Engine Soon Warning Light) P1121 TOYOTA Meaning. Dec 9, 2018 · The Gen 1 Prius did use actual potentiometers in several places (accelerator position, steering torque, and HVAC flap positions), and any old enough Gen 1 has probably dealt with at least one of the related nuisances when the pots became electrically noisy ("Big Hand Syndrome" when it was the go pedal, "steering gear jitters", or "no, that wasn Aug 18, 2024 · Code P1121 Nissan Description. Jul 14, 2014 · There is no association and there is no history. May 22, 2004 · For my year model (99) it could be a dirty TB (particularly the bore or throttle blade), sticky throttle cable, TPS, APPS, Wiring, Connectors, TB motor or magnetic clutch. Also the Prius requires a more high end specific code reader to access all the codes. Before you replace anything I would start with giving the throttle body bore and throttle body plate a good cleaning with some throttle body cleaner. Mar 26, 2017 · The OBD2 code reads P1121 Accelerator Pedal Position Sensor Range/Performance Problem but I imagine it's more the coolant system malfunction indicated on most chat threads. Press the brake pedal and hold it for the rest of the steps below e. The 1st one I saw on my ELM327 adapter and Torque == P1121. I have been reading through a half dozen P1121 PriusChat postings and all pointing to a normal malfunction at +100k miles and a simple need to replace the coolant control Apr 24, 2024 · I totally get the confusion that can be caused by codes in the manufacturer-defined range. This happened about 2 months ago, so I looked up the codes here on this forum and purchased a new Coolant Valve, the one with 3 hoses going to it, and made the repair and topped the coolant off, and cleared the codes. Dealer says replace coolant control valve, $700. B GO TO RELEVANT DTC CHART (See page 05–55) A 2 PERFORM ACTIVE TEST BY HAND–HELD TESTER (a) Connect the hand–held tester to the DLC3. If it was really P0171 all along, then the info below isn't needed, but I'll leave it because it shows how in fact P1121 can appear to mean throttle body or MAF sensor for other cars, not the Prius. Newer Than: Search this thread only; Search this forum only. I have the 2005 Prius and the same problem (check engine light with DTC code P1121, Coolant Flow Control Valve Position Sensor Stuck" tested for free at AAMCO) which is covered under TSB EG024R-05. May Nov 23, 2012 · Edit: posts crossed. A little while after purchasing the check engine light came on, and the dealership (after taking $200 for the diagnostic fee!) told me it was giving them the P1121 error, and that the coolant control valve had to be replaced. What Are Some Causes of a P1121 Code? The possible causes of a car flagging the P1121 code can be electrical or physical and may be caused by general wear and tear, accidental damage, or a manufacturing fault. Clean the throttle body to ensure smooth operation and accurate sensor readings. . Is it possible I should look into replacing the Throttle/Pedal position sensor? Jun 16, 2016 · LOL I think those were Prius codes! Cleared the codes and CEL came back on yesterday. Share. Have had 2 new water pumps installed (both on recall or warranty), last one one year ago. Toyota uses it to mean the coolant control valve in a Prius. The P1121 code for Nissan vehicles refers to an issue with the Electric Throttle Control Actuator. I had that 6 months ago and fixed it by replacing the control valve. Is this related to the water pump issues??? Thanks! My other mechanic thought the code is for an accelerator pedal performance problem. Mar 16, 2018 · The sensor is reporting that the 3-way coolant control valve is STUCK. Test the throttle position sensor using a multimeter to check for proper voltage output. These have know problems ,the sensor an broken wire at throttle body , an when this happens the cruise control wont work . I have a FIXD device and it keeps showing P1116, P1121, P1123. The throttle control actuator consists of the throttle control Mar 20, 2019 · > Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Main Forum > 2005 prius throwing code p1121 is this the 3 way valve or throttle position sensor? Discussion in ' Gen 2 Prius Main Forum ' started by Prius Rising , Mar 31, 2019 . The throttle position sensor (TPS) responds to the accelerator pedal movement. Controlled fuel and air metering. Hit Park button, h. 08 Toyota Prius p3190 p1121 p0101 p1116 are the codes I'm getting and the car won't move when the pedal is the code is P1121 accelerator pedal sensor problem Jun 24, 2019 · Techstream is the OFFICIAL diagnostic and maintenance software made for Toyota/Lexus, and used at Toyota/Lexus dealerships. If you move the pedal from 75% to 100%, the throttle plate should open from 0% to 25%. Nov 20, 2007 · The check engine light on my '05 Prius has gone on and off a couple of times and is giving me a P1121 code, which I found out means "Coolant Flow Control Valve Position Sensor Stuck". Feb 13, 2021 · Symptoms of the disease. So we scanned it and it came up with the P1121 code. I've seen no indication of leakage. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. The 'easy' fix (if the problem persists) would be to replace the entire throttle body with the most recent (for year model) electronics (TPS/APPS). Reply to Comment Check Engine Light, Code P1121 - Coolant Flow Control Valve Position Sensor Stuck. The engine light has been coming on and off. This has to do with the throttle body - TPS throttle position sensor . May 21, 2007 · Prius 2nd gen (2005-2009) ran totally fine, but Smog Check wouldn't pass unless we get these codes P1116 and P1121 cleared. press accelerator pedal and fully release 2X g. Thanks Sep 5, 2024 · Cost to Fix P1121. The P1121 code for a 2007 Toyota Prius indicates a problem with the Coolant Flow Control Valve Position Sensor Circuit being stuck. Test the accelerator pedal position sensor's functionality and replace it if necessary. P1116 - Coolant temperature sensor circuit stack for coolant heat storage system P1121 - Accelerator position sensor range / performance problem The Fix The fix seems to be to replace the Coolant Control Valve. All has been well until about a week ago. P1121 and P1122 diagnostic codes indicate the presence of a potentially serious issue within a vehicle’s engine and acceleration system. Does this have anything to do with the hybrid electric coolant pump that was replaced under recall a while back? Toyota Prius cars & trucks p1116 code questions and answers. Feb 21, 2021 · I bought my 2005 Prius last year, its my first car, and I've already fallen in love with it. Mar 30, 2013 · Hi folks. Prius TSB EG007-01, 8. I noticed no CEL this morning until I was sitting in traffic, then CEL illuminated. Feb 7, 2017 · Search titles only; Posted by Member: Separate names with a comma. It had a check engine light on it. Not all DTC codes mean the same thing for all vehicles (EG: For the Ford Focus, P1121 means electronic throttle problem whereas on another vehicle it means throttle position sensor failure--on the Prius, it's coolant valve related). press accelerator pedal and fully release 2X– You should see a red Oct 19, 2018 · 2005 Toyota Prius Oct 12, 2015 · NEW Genuine OEM Toyota Throttle Position Sensor 89452-35020 TPS Japan Made NIB | eBay or will I have to pick up a whole used throttle body system and change that out? Note: I did clean out the MAF and throttle body regularly with their own respective cleaners. It shows as a current and previous code. thanks the code reader that gave me the p1121 said below it "accelerator pedal position sensor range/performance problem. This preventive maintenance can fix or help avoid having trouble with the internal combustion engine not How to troubleshoot and repair a Prius P1121 DTC. What are the common symptoms of OBDII code P1121 on a 2008 Toyota Prius? The common symptoms of code P1121 on a 2008 Toyota Prius include poor engine performance, reduced fuel efficiency, illuminated Check Engine light, and potential overheating issues. press accelerator pedal twice onto the floor AND FULLY RELEASE IT 2X d. The accelerator pedal position sensor is mounted on the throttle body and it has 2 sensors to detect the throttle position and throttle position malfunction. Jun 24, 2009 · P1121-Accelerator pedal position sensor. This is, obviously, not a very good situation to be in. Jul 19, 2017 · I have had my Prius for about 2 months now. jdsytl yky ryt sgup nbcpr jyg qfcm dtanx ywxbr kulvcf