Harley code p1510 p2122 p2138

2006 Nissan Titan code p2138 throttle/pedal positioning sensor switch d/e voltage correlation I have a 2006 Nissan Titan my truck has 128000 miles gave me a p2138 code I changed the throttle body, but nothing changed the acceleration pedal, but nothing now I hit a pot hole driving n the engine light turned on gave me a p2138 throttle/pedal positioning …

Harley code p1510 p2122 p2138. Under certain conditions the control module commands the engine OFF. DTCs P0120, P0122, P0123, P0220, P0222, P0223, and P2135 are TypeA DTCs. Ignition ON, observe the scan tool TP sensor 1 voltage parameter. The reading should be between 4.75-0.33 volts and change with accelerator pedal input.

We strongly urge you to take the affected motorcycle to an authorized Harley-Davidson dealer to have the appropriate service performed as soon as possible

Harley Davidson Motorcycles. Touring Models . '08 SG DTC code P1511 and P2135 ... Hoople. I checked the codes this AM and it's P1510 and P2138. So I was having the P1510 before, now it picked up the P2138 code. CEL not on all the time, as it goes out after 20 seconds or so. HoopleDec 15, 2011. #3. SJSHD said: I have a 09 Ultra with 10,000 miles on it. I baby the bike most of the time except for last week I was riding it more agressive and the check engine light came on and it went into lymp home mode. I checked for codes and it came up with P1511. The manual says it is the Throttle Grip Sensor.P2138 Meaning. You press the gas pedal. The accelerator position sensor sends a signal to your Soul’s PCM. The throttle position sensors confirm how much the throttle is opened. The PCM adjusts the throttle position based on this feedback. The “D” and “E” TPS signals need to AGREE with one another AND the accelerator position sensor.The P2135 code indicates that the voltage reading between the accelerator pedal position sensor and the throttle body position sensor doesn’t match. 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. As the accelerator was pushed, the ...New Member. Jan 18, 2018. #1. P2176 EFI Closed Postion Not Learned, I took my bike into the dealer for this code. I was asked if I had recently used the kill switch, I did accidently hit the kill switch with my helmit. They said that if your throttle is not in the zero position that the kill switch will cause the bike to throw a check engine light.U codes are gone, P2138 is gone but still stuck in limp mode P1510 code that will not clear for anything. Now the cruise control indicator light on the dash is on yellow …Speedometer Self Diagnostics: The speedometer is capable of displaying and clearing speedometer, tachometer, TSM/TSSM and ICM/ECM Diagnostic Trouble Codes (DTC). 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 2- Push odometer reset button in & hold.#1 · Mar 2, 2017. Yup, put on new bars. Got the 1510 code. I've read the other threads regarding this code, but they all included one if not two more codes with it. It threw the …

Learn how to troubleshoot issues with your Harley using Harley error codes displayed directly on the speedometer.2008 HARLEY-DAVIDSON FLHX with 10000.0 miles. I was in a roundabout when i tried to increase my speed but no response. The bike would still run so i limped home. Ever sance it has set two codes thay are P1510 and P2138 went to local deler he told me i would half to install a race tuner i didnot install a race tuner . Thay also told me to live with it …Jan 18, 2018 · New Member. Jan 18, 2018. #1. P2176 EFI Closed Postion Not Learned, I took my bike into the dealer for this code. I was asked if I had recently used the kill switch, I did accidently hit the kill switch with my helmit. They said that if your throttle is not in the zero position that the kill switch will cause the bike to throw a check engine light. Turns out its throwing the P2101 Grip Sensor code. I pulled the bars and pulled the wires replaced the sensor and getting he same issue. Replaced the sensor with the CVO extended wire model so no soldering needed. Same code same issue. But …P1510 p2122 p2138 and I've tried to clear the codes and they wont go away. ... I have a 2015 Harley Davidson street glide the check engine light is on and cruise control light is flashing and throttle doesn't work ... 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp went out.The rally in stock of Harley-Davidson may be stalling out, according to the charts....HOG The revved up Harley-Davidson (HOG) rally may be near an end, according to technical analy...Wrap Up. To fix the P2127 fault code, check the accelerator pedal position sensor and its wiring harness for any damage or poor electrical connection. Inspect the related components and connectors for any signs of corrosion or damage. …

Battery wont stay charged over night only code given is B1141 under the S in the diagnostics. Posted by helodrvrh60 on Jun 28, 2012. Anonymous. SOURCE: tomtom930 wont stay charged..cahnged the battery. it sounds like your power adapter isn't supplying enough power to the unit. You should be able to try switching out the adapter with …If you’re experiencing a check engine light and your vehicle is running poorly, it could be due to a P2138 code. This code indicates that there is a correlation error …Thread Starter. Join Date: Dec 2010. Location: London Ontario. Posts: 14. Likes: 0. Received 0 Likes on 0 Posts. I get codes...P2127 P2138. P1510-EFI Limited …If you have received a P2138 code, it means that there is a problem with the correlation between the throttle pedal position sensor and the throttle position sensor.. This code is most commonly found in vehicles with electronic throttle control systems. The throttle pedal position sensor is responsible for determining how much the driver is …P2138 Meaning. You press the gas pedal. The accelerator position sensor sends a signal to your Impala’s PCM. The throttle position sensors confirm how much the throttle is opened. The PCM adjusts the throttle position based on this feedback. The “D” and “E” TPS signals need to AGREE with one another AND the accelerator position sensor.Here are some steps you can follow to diagnose the P2138 code: Check the wiring: The first step is to check the wiring between the throttle position sensor and the accelerator pedal position sensor. Look for any signs of damage or corrosion, and ensure that the wiring is properly connected.

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Throttle Position sensor has been tested and is good. My assumption is that the P0641 is the reference voltage for the TPS. If that's the the case a friend and I mapped out all the pins in the plug and pin 1 should read 5v, but it is not, it reads 2.8. 5v. is the ECM reference voltage for all the sensors .Car Questions. Motorcycle Questions. I have a a p1510 p2127 and p2138 codes on my 2019 Streetboob… Hi! I have a a p1510 p2127 and p2138 codes on my …Learn how to troubleshoot issues with your Harley using Harley error codes displayed directly on the speedometer.Ok so I pulled the codes P1510 P2122 P2127 P2138 ... (P1510 & P2138)remained. ... A forum community dedicated to all Harley-Davidson Road Glide owners and enthusiasts ... The code P1511 refers to a problem with the throttle grip sensor. This can include a bad ECM, a faulty throttle body wiring connector, and unsecured bolts on the throttle housing. Riding the bike recklessly can be the reason for this issue. Fortunately, the fixes are quite easy.

I replaced the TBW last night with the 32310-08. I reinstalled the bars on the bike and reset all the DTC codes. I followed the TBW 6 wires to the plug and into the neck to amke sure there was no "binding" Turned bike on, NO CODES! turn handlebars left and all be damned if all 3 of the codes P1510-P2127-P2138 came right the F back on.Here, it’ll be better to take your Harley to the nearest mechanic. This might cost you around $70 to $1,000. Read Also: Harley Davidson Hydraulic Clutch Problems: 5 Issues And Their Fixes. 4-Check The Engine Control Module (ECM) If you are still getting the P1511 code, there is a huge possibility that your Harley’s ECM is malfunctioning.Harley Davidson Motorcycles. Touring Models . '08 SG DTC code P1511 and P2135 ... Hoople. I checked the codes this AM and it's P1510 and P2138. So I was having the P1510 before, now it picked up the P2138 code. CEL not on all the time, as it goes out after 20 seconds or so. HoopleP1510 code on ecm. P1510 p2122 p2138. 2014 Harley street. ... 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp ...May 8, 2012 · The bike seem to be running fine. Can't find the codes for a 2009 Ultra. No probema in the morning. "Never interrupt your enemy when he is making a mistake." P2122 TGS1 Low/Open. Twist Grip Sensor problem. Loose/faulty or pinched wiring or possibly bad sensor. I hope it was a fluke. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Aug 11, 2021 · August 11, 2021 by Jason. P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles. But, it does seem to pop up the most in Nissan, GM, and Chrysler-made vehicles. P2122 indicates that the voltage coming from throttle position sensor “D” is below the normal operating range. 1510 Code. Yup, put on new bars. Got the 1510 code. I've read the other threads regarding this code, but they all included one if not two more codes with it. It threw the 2138 at me also but that one cleared. The 1510 won't clear. Bike runs ok. Seems a bit sluggish but while riding, pull in the clutch, rev the throttle and it's muffled.How to check Harley-Davidson trouble codes and what does the Harley-Davidson trouble code mean? ... P1510: 447: ETC limited performance mode: ETC MANAGEMENT DIAGNOSTICS: P1511: 448: ... P2122: 69: TGS 1 low/open: TGS DIAGNOSTICS: P2123: 70: TGS 1 high: TGS DIAGNOSTICS: P2127: 71:In a report released today, Gerrick Johnson from BMO Capital assigned a Buy rating to Harley-Davidson (HOG – Research Report), with a pric... In a report released today, Gerr...• DTCs P2120, P2122, P2123, P2125, P2127, P2128, and P2138 are Type A DTCs. • The ECM commands the TAC system to operate in Reduced Engine Power mode. Anytime the vehicle goes into reduced engine power mode A/C shuts off - cruise control won't work etc..

Feb 27, 2011 · M8 DTC code list P1510 447 ETC limited performance mode ETC MANAGEMENT DIAGNOSTICS ... P1510 P1512 P2122 P2127 P2138 ... A forum community dedicated to all Harley ...

P2138 Meaning. You press the gas pedal. The accelerator position sensor sends a signal to your Altima’s PCM. The throttle position sensors confirm how much the throttle is opened. The PCM adjusts the throttle position based on this feedback. The “D” and “E” TPS signals need to AGREE with one another AND the accelerator position sensor.Jun 23, 2022 · Use a scan tool or code reader that graphs data to determine which APP sensor is triggering P2138. With the engine running and your car put in “Park,” lightly press on the gas, and watch the graph on the scan tool to make sure the data doesn’t dip or spike drastically (1:59 in the video above). If there is a spike or dip, you’ll know ... Re: code P2138, P2138 P Resolved. Thanks for the info & pic. Since it was a powertrain/warranty related issue, I had the local dealer check it out. They checked I/P to body harness connector-OK. They came up with the same codes and an internal throttle position sensor fault (9094)Did a bar change...everything works fine but the engine light is on with codes P1510/p2138 and can't clear them can I get some help on this ...don't really want to take it to the slealership.Jun 23, 2018 · • DTCs P2120, P2122, P2123, P2125, P2127, P2128, and P2138 are Type A DTCs. • The ECM commands the TAC system to operate in Reduced Engine Power mode. Anytime the vehicle goes into reduced engine power mode A/C shuts off - cruise control won't work etc.. Sep 3, 2017 · 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp went out. - Answered by a verified Motorcycle Mechanic Jan 13, 2016 · Ok so I pulled the codes P1510 P2122 P2127 P2138 ... (P1510 & P2138)remained. ... A forum community dedicated to all Harley-Davidson Road Glide owners and enthusiasts ... The following procedure will instruct in retrieving and clearing ECM Diagnostic Trouble Codes and TSM/TSSM codes thru the Harley guage cluster as well as a list of codes. 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 2- Push odometer reset button in & hold. 3- Turn ignition switch to Ignition and release the odometer reset button.

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Dec 11, 2023 · What Does Harley Code P1510 Mean? Code P1510 is a diagnostic trouble code (DTC) signifying a throttle actuator control issue. It’s often linked to the throttle-by-wire (TBW) system, a technology that replaces the mechanical linkage between the throttle and the engine with electronic signals. Nov 3, 2010 · Like. U. UltraNutz. 290 posts · Joined 2005. #7 · Nov 11, 2010 (Edited) - the IAC may be dirty and could probably use a good cleaning. - The IAC is located in the throttle body. - to clean the IAC, turn ignition switch on, turn run/stop switch on and off a couple of times while spraying carburetor cleaner into the IAC. Within the last quarter, Harley-Davidson (NYSE:HOG) has observed the following analyst ratings: Bullish Somewhat Bullish Indifferent Somewhat... Within the last quarter, Harle...Harley Davidson 2008 DTC Code Reading (draft) Harley Davidson DTC Codes - Unofficial Guide Page 3 B Codes B0563 Battery Voltage High. B1121(TSM) Left Turn Output Fault B1121(HFSM) Left Turn Output Open B1122(TSM) Right Turn Output Fault B1122(HFSM) Right Turn Output Open B1123(HFSM) Left Turn Output Short to GroundHarley Diagnostic Codes . ... 22. P2122 TGS1 Low/Open. 23. P2123 TGS1 High. 24. P2127 TGS2 Low/Open. 25. P2128 TGS2 High ... P1510 EFI Limited Performance Mode 77 ...The automobile fault code P2138 is caused by a malfunction in the throttle or pedal position sensor. The diagnosis process involves checking the wiring and connections of these sensors. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can range from $75 to $150 per hour, depending on the auto repair shop.Jun 1, 2009 · Just brought the bike home from the dealer and talked to the mechanic. He explained it was the 2nd bike for him this week with codes 1511 and 2135. He said Harley Tech Support is seeing this more and more with high mileage '08's. They said it is the wires in the connector to the TCA. With condensation, weather, etc. there is a build up. Speedometer Self Diagnostics: The speedometer is capable of displaying and clearing speedometer, tachometer, TSM/TSSM and ICM/ECM Diagnostic Trouble Codes (DTC). 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 2- Push odometer reset button in & hold.Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp went out. Replaced it with aftermarket lamp, could that cause the problem ? ...Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp went out. Replaced it with aftermarket lamp, could that cause the problem ? ...Well, checked the codes, and came up with 5 codes and 2 part #. Not too happy about it. P1510, P2122, P2138, B1121, B1122, PN 68920-07, PN32999-11. Going to run everything down and see if it was something that I may have caused when tinkering. I was going to change out the handlebar to some mini apes that I got from a buddy. ….

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. In the 1990's automotive manufacturers began industry-wide installation of "Drive by wire" throttle control technology. It's mission is to afford greater control over ...P2122 trouble code definition. The P2122 OBD-II trouble, or fault, code means that the vehicle’s on-board computer has detected low voltage in the throttle position sensor (TPS), which is usually below 0.17 volts. What the P2122 code means. The registration of the P2122 trouble code simply means that low voltage has been detected in the TPS.Mar 25, 2015 · Did a bar change...everything works fine but the engine light is on with codes P1510/p2138 and can't clear them can I get some help on this ...don't really want to take it to the slealership. Code: P2138 Definition: Accelerator Pedal Position (APP) Sensor 1-2 Correlation Description: P2138 DTC P2122, P2123, P2127, P2128, P0697, or P06A3 are not set. The ignition is ON or the engine is running. The run/crank or powertrain relay voltage is greater than 6.4 V and reduced power is not active. DTC P2138 runs continuously when … And I changed spark plugs. Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... Chasing a p1510, p2122, p2138 code problem. Learn how to troubleshoot issues with your Harley using Harley error codes displayed directly on the speedometer.i changed my handle bars and when the istall happened two wiring harness conections were switched they were controls on the right side, throttle sensor and on/off switch blinker etc. now i have a check engine light with codes stored p1510 p2122 p2138. tryed to clear codes but i either using a wrong procedure or there is still a proplem. cant find table of …Symptoms being reduced engine power and loss of traction control assist, codes p2122, p2123, p2120, P2127, P2128, P2125, or P2138 may be involved. For a period of 10 years or 120,000 miles (193,000 km) from when the vehicle was first placed into service regardless of ownership the accelerator pedal assembly will be replaced with a …The automobile fault code P2138 is caused by a malfunction in the throttle or pedal position sensor. The diagnosis process involves checking the wiring and connections of these sensors. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this issue can range from $75 to $150 per hour, depending on the auto repair shop.Aug 11, 2021 · August 11, 2021 by Jason. P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles. But, it does seem to pop up the most in Nissan, GM, and Chrysler-made vehicles. P2122 indicates that the voltage coming from throttle position sensor “D” is below the normal operating range. Harley code p1510 p2122 p2138, P2122 trouble code definition. The P2122 OBD-II trouble, or fault, code means that the vehicle’s on-board computer has detected low voltage in the throttle position sensor (TPS), which is usually below 0.17 volts. What the P2122 code means. The registration of the P2122 trouble code simply means that low voltage has been detected in the TPS., FIX CODE P0220 P2122 P2127 Throttle Pedal Position SensorIf you have a car that has a code such as P2127, P2122, P0220 in this video we will explain what nee..., P1510 Hyundai Idle Speed Actuator Open. P1510 KIA Idle Air Control Valve Coil 1 Circuit Malfunction. P1510 Land Rover Idle Air Control Valve Opening Circuit. P1510 MINI Idle Speed Control Valve Stuck. P1510 Subaru Idle Air Control Solenoid Valve Signal 1 Circuit Low Input. P1510 Suzuki ECM Backup Power Supply Malfunction., P1510 and p1511. 2016 harley softail slim. Im an auto tech but limited with pid data. Goes into limp mode - Answered by a verified Motorcycle Mechanic. ... Check engine light came on and engine would have power surges. I read the codes and it …, The P2122 code indicates that the powertrain control network (PCM) has detected an issue with the throttle position sensor (TPS), specifically that the sensor is running too low of a voltage. Most ..., Jul 25, 2014 · The codes P1510 & P2138 came up. The other issue was the old style stock TGS had multicolored wires for the six slot where as the new TGS had the red white black wires in each the yellow and black sleeves. , After a handlebar change the check engine light is staying on and it's throwing codes: P1510 Throttle actuator control limited P2138 Twistgrop sensor correlation error I don't have service/diagnostic manuals for anything new enough to be TBW. And there's only so much one can intuit trying to troubleshoot., P2138 Code. 2013 F150 6.2l 150k miles. This has happened twice now within the last week. Right after starting, the engine revs up and back down, a wrench light comes on and the throttle does not work. After restart everything is good. It shows a P2138 code - Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation., Jun 10, 2008 · Speedometer Self Diagnostics: The speedometer is capable of displaying and clearing speedometer, tachometer, TSM/TSSM and ICM/ECM Diagnostic Trouble Codes (DTC). 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 2- Push odometer reset button in & hold. , Struggling to attract younger riders, Harley has staked its hopes for marketing to millennials on Instagram. This morning, Harley-Davidson announced it had missed earnings expectat..., P1510 TBW safe mode P2122 TGS 1 low / open TBW wire pinched or broken ... this was the source of my P1356 code so I got a new set of OEM plugs thinking maybe the NGK ..., After a handlebar change the check engine light is staying on and it's throwing codes: P1510 Throttle actuator control limited P2138 Twistgrop sensor correlation error I don't have service/diagnostic manuals for anything new enough to be TBW. And there's only so much one can intuit trying to troubleshoot., We strongly urge you to take the affected motorcycle to an authorized Harley-Davidson dealer to have the appropriate service performed as soon as possible, Battery wont stay charged over night only code given is B1141 under the S in the diagnostics. Posted by helodrvrh60 on Jun 28, 2012. Anonymous. SOURCE: tomtom930 wont stay charged..cahnged the battery. it sounds like your power adapter isn't supplying enough power to the unit. You should be able to try switching out the adapter with …, Definition: Throttle/pedal position sensor/switch ‘D’ circuit low. Engine code P2122 indicates your vehicle’s onboard computer system has detected low voltage in your throttle position sensor. The throttle position sensor is used to measure how open the throttle valve is and how much fuel is demanded by your engine., P1510 and p1511. 2016 harley softail slim. Im an auto tech but limited with pid data. Goes into limp mode - Answered by a verified Motorcycle Mechanic. ... Check engine light came on and engine would have power surges. I read the codes and it …, I have identify a P0220 code fault on My Kia Sorento 2004. This fault code only comes up when the car pass by a lot of water, and last time when the engine was washed. Usually what happen is that the Engine Light ON and the rotation remain on 1400 rpm without any acceleration. After one or two days with the car stopped the problem …, 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. In the 1990's automotive manufacturers began industry-wide installation of "Drive by wire" throttle control technology. It's mission is to afford greater control over ..., Did a bar change...everything works fine but the engine light is on with codes P1510/p2138 and can't clear them can I get some help on this ...don't really want to take it to the slealership., Like. U. UltraNutz. 290 posts · Joined 2005. #7 · Nov 11, 2010 (Edited) - the IAC may be dirty and could probably use a good cleaning. - The IAC is located in the throttle body. - to clean the IAC, turn ignition switch on, turn run/stop switch on and off a couple of times while spraying carburetor cleaner into the IAC., I have a Harley-Davidson 2014 Street Glide and it's showing these codes: P1510 .2122 and 2138. The part # that is giving me is 001217-01. I want to know, what do I need? Via Email P1510 – ETC limited…, Throttle Position sensor has been tested and is good. My assumption is that the P0641 is the reference voltage for the TPS. If that's the the case a friend and I mapped out all the pins in the plug and pin 1 should read 5v, but it is not, it reads 2.8. 5v. is the ECM reference voltage for all the sensors ., Jul 25, 2014 · The codes P1510 & P2138 came up. The other issue was the old style stock TGS had multicolored wires for the six slot where as the new TGS had the red white black wires in each the yellow and black sleeves. , Meet the Experts. TPS codes. 02122, p2138 and p1510 and yes reset and got again. Nothing changed recently on bike. 2011 Road Glide. - Answered by a verified Motorcycle Mechanic., Took it back to the garage and a different code code came up - P2138 accelerator pedal position sensor not plausible (means nothing to me). Garage told me the part needed is on back order and wouldn't be available until the new year and they're not even sure if that would fix the problem. However, garage told me to call Vauxhall as it …, And I changed spark plugs. Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... Chasing a p1510, p2122, p2138 code problem., Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... 09 street glide codes are p2122, p2138, p1510 have replaced twist grip sensor. It started when tail lamp went out. Replaced it with aftermarket lamp, …, The codes P1510 & P2138 came up. The other issue was the old style stock TGS had multicolored wires for the six slot where as the new TGS had the red white …, Logged. TGS2 low/open, TGS correlation error, P1510 P2127 P2138. May 25, 2018, 03:31:30 PM. FLHXSE2 2011, PV + TT. Last year I fixed the TCA [211B] connector. This is a new problem. Today I measured all the connections between [78B]- [204B]- [211B], no faults., Now it's throwing p1510, p2127, and p2138 2012 harley davidson streetglide ... I read the codes and it showed P1510 and P2122 and P2138. ..., Step 8. Check related PCM and component connections. P2122, P2127 code - The Electronic Throttle Control (ETC) system uses two Accelerator Pedal Position (APP) Sensors to monitor the accelerator pedal position. The APP sensors 1 and 2 are integrated into one assembly located at the pedal assembly., After a handlebar change the check engine light is staying on and it's throwing codes: P1510 Throttle actuator control limited P2138 Twistgrop sensor correlation error I …, The Harley P1510 code indicates a fault with the Throttle Actuator Control (TAC) system. It is responsible for controlling the opening and closing of the throttle body in response to input from the rider’s throttle control. The TAC system is closly linked to the EFI (Electronic Fuel Injection) system.