P1516 code chevy

8. There are some wires there that can break inside the insulation and cause this. 6 volt at idle. If you own a Chevy or GMC vehicle, you might have encountered the dreaded P1516 code. P1516 Chevrolet: Code Meaning, Causes, Symptoms, & Tech Notes (With Video) The Engine Control Module (ECM) determines the driver's intent based on input from the accelerator pedal position sensors, then calculates the appropriate. There is a factory service bulletin for the P2108 code on following Chevrolet vehicles: 2006-2007 Chevrolet Avalanche. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. The idle air control valve (IAC) plays a crucial role in maintaining a smooth idle by regulating the amount of air entering the engine. Leaning towards the age of the vehicle I would HIGHLY recommend graphing the tps. 0 volts at wide open throttle (WOT). Under this circumstance, it’s possible that the TAC module is operating at a battery voltage of 4. 0L Engine (VINs V, P, T, Z, N, U - RPOs LR4, LM4, LM7, L59, LQ9, LQ4 Jun 5, 2022 · 2003 CHEVROLET TRAILBLAZER. nonda. In this section, we’ll provide the tools and parts you’ll need, along with a step-by-step procedure to help you diagnose and fix the P0120 code yourself. This was accompanied by a pretty rough idle with bouncing How to fix a P1516 engine code: Throttle Actuator Control Module Throttle Actuator Position PerformancePossible Causes of a P1516 Code:Bad Throttle Body Thro Nov 4, 2017 · Have a p1516 code when i replace it does it need to be calibrated. I turned the truck off and waitied for a few minute to start it back up. The only mention of a P2176 code was to just replace the Throttle Body, so it looks like that's my answer. By the time I tested it it sat for about 15 mins cause I had to re-install the software on my laptop. While P0175 will pop up when the bank 2 oxygen sensor detects the oxy deficiency or too much fuel amount in the engine, P0172 functions similarly under the bank 1 oxygen sensor’s control. Dec 23, 2008 · The powertrain control module (PCM) continuously monitors the commanded and actual TPs. 04/16/2024. Jun 17, 2017 · Hoagie90 Discussion starter. I realize there are threads about this subject in different places, but wanted to document my experience in hopes that it helps folks in the future. 2003 chevy 2500hd 6. The throttle body is working correctly Jun 29, 2015 · Step 4 – Install the new TPS. It’s essential to maintain your Silverado’s idle air control system to optimize engine performance and fuel efficiency. Oct 28, 2009 · Subject: Check Engine Light On with No Drivability Concerns, DTC P0120, P0220, P1516, or P1518 Set (Clear Code) Models: 2003 Cadillac Escalade, Escalade EXT, Escalade ESV 2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe The P1515 fault code refers to the Control Module Throttle Actuator Position Performance. Install the throttle position in reverse order to the removal process. 8l V8, engine code P1516 Throttle Actuator Control Module Throttle Actuator Position Performance, Jun 19, 2023 · Chevrolet Silverado: The 2003-2007 models of the Chevrolet Silverado are known to be prone to the P1516 code due to a faulty throttle actuator control (TAC) module. Check grounding connections for solid contact and examine the throttle body connector for damage or corrosion. Dec 8, 2010 · I got my laptop and checked codes and it had. Runs great for a day w multiple restarts, leave overnight and she's coded up again. 3L v8. Symptoms of a Bad Throttle Position Sensor and How Se Dec 23, 2022 · The truck doesn't randomly die or anything and no other codes. The Diagnostic Trouble Code (DTC) will be set when the ECM detects an unstable throttle position for greater than 1 s. Only code 1516 - Answered by a verified Chevy Mechanic Feb 14, 2012 · CorvetteForum - Chevrolet Corvette Forum Discussion. P1516 code after LS2 throttle body upgrade. I have spent days searching the web and I cant find a solution. AUTOMATIC. As we embark on this enlightening journey, we will navigate through the complexities of the p1516 Chevy Silverado enigma, shedding light on its origins, manifestations, and the potential solution worthy of taming this resilient mechanical spirit. , If you replaced the ETC you need to do a idle speed relearn. It eliminates the need for a mechanical cable from the accelerator pedal to the throttle body. Now I'm getting a p0222 and … read more . Reset code, runs a while and comes back again - Answered by a verified Chevy Mechanic Feb 26, 2012 · Upon inspection, oil in the air cleaner, a loose hydrocarbon patch in the air intake snorkel, and/or DTCs P0101, P0172, P0175, P1516, and/or P2176 may be found. It is relatively serious problem since it leaves your vehicle in failsafe mode. Code P1516. Hi, My truck is a 2003 Chevrolet Suburban 1500 5. Most people are able to fix this problem by simply replacing the TPS Sensor. Tighten the throttle body fasteners. For Chevy owners, it is an indication that there might be a problem with ⁤the ‌electronic throttle system, potentially affecting the vehicle’s‌ performance. 8L, 5. Mar 5, 2007 · 2003 chevy 2500hd 6. Oct 28, 2022 · The P2135 code is common on certain GM makes and models. TP sensor 2 signal voltage increases as the throttle opens. Loosen the tensioner pulley and slide the drive belt back onto the alternator pulley. www. P1516 GMC Code - Throttle Actuator Control Module Throttle Actuator Position Performance. I have a 2003 suburban. 3 thoughts on “ Causes and Fixes Chevy P1516 Code Reduced Engine Power ” Kelly June 27, 2023. Jan 19, 2020. P0120 P0220 P1516 P2135. You are browsing camaro6 2004 silverado, 5. Posted on Oct 02, 2012. 2006-2007 Chevrolet Express 1500/2500/3500. 3 4x4 OBD code P1516 points out there is a problem with the Throttle 5. Bells start going off and it says "reduced engine power" and the truck has very low power for sure. To fix the P1516 code for throttle actuator control and position performance, start by inspecting the throttle body for dirt and proper movement. it all varies on how long it takes or how often it does it no rhyme or reason might not do it for 3 days then do it 10 times in a 20 mile trip,, cleaned throttle body, took grounds off and cleaned and put back on,checked all the wires going to throttle body did find a broken ground strap last night going from hood to stud on Jun 21, 2020 · Tech Notes. This code condition may not even be the problem but a result , If the truck not getting fuel or the fuel pressure was low this code may have been a end result. Car ran fine for three days. Cadillac CTS: The 2004-2007 Cadillac CTS is another model that commonly experiences the P1516 code due to a malfunctioning TAC module. Feb 9, 2017. Reduced engine power light. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem. Observe the engine control module (ECM) module DTC information. 26. This is a fix for a common problem a lot of people don't know about the p2108 p1516 u0107 trouble codes, lost communication with Dec 19, 2022 · P1516 code. to/4306a6A - Specialist Carb/Throttle Body & Parts Cleaner When using your OBDII scanne =====Claim your FREE engine code eraser 👉 https://free. Here's a fix. Aug 26, 2019 · When the TAC module is unable to write or read data to and from random access memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Diagnostic Trouble Code (DTC) is set. The TP sensor voltage should increase to above 4. 2008 Silverado. I can't seem to make it go away. GM Tech (Cam) : A common issue is the wiring near the throttle body itself. Action Taken When the DTC Sets. I have a 2009 LS3, Manual, bone stock. Dec 13, 2018 · The P0507 code is related to your Chevy Silverado’s idle air control system. Received 2 Likes on 2 Posts. 2011 Ext. User Submitted Video. Really need to eliminate this problem in order to keep our family in this vehicle. Learn about the components, common issues, and how to fix this error code on your Chevrolet Silverado 1500. After getting the car tuned, I’m getting a P1516 code repeatedly. to/43N4WNr - All-in-One OBDII Scanner https://amzn. DIY Guide To Diagnosing and Repairing P0120. 3k points) P1516 Throttle actuator control (TAC) module throttle actuator position perfromance. My problem is every morning when the engine is cold I get a "reduce engine power". Aug 13, 2022 · Code Tech Notes. #1 · Jan 2, 2018. a couple of weeks ago, at highway speed, the car went into reduced power mode. This DTC sets if the values are greater than the calibrated range. 6 CYL. 2WD. C5 Tech. I put on a new accel pedal, and a new pigtail to the throttle body. It's the old throttle issue. P1516 = Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance. I dont know what else it could be!!! Jan 14, 2023 · Those P0172 P0175 Chevy Silverado codes say your engine runs too rich on both banks (engine’s banks 1 and 2). This fault will usually be discovered because the vehicle will be in limp mode. - Throttle Actuator Control (TAC) module Mar 17, 2023 · 1. 2L. I can not condemn the sensor due to the fact I can’t test it but would 100% START there if I were you. A faulty throttle body, what can cause between $300 and $500 to replace. engine goes to reduce power. #2 · Jun 17, 2017. 0 volts. Jun 24, 2020 · I am repairing 2003y Chevrolet avalanche . Aug 25, 2018 · P0121 is a somewhat common trouble code with the Chevy Colorado. Aug 13, 2022 · The TP sensor information is transmitted between the throttle body and the ECM on the signal/serial data circuit. 3 4x4. "Stabilitrak Off" goes off then Reduced Engine Power. Oct 4, 2021 · I have a 2005 Chevy Colorado. 111,232 MILES. Line up the alternator and bolt it back to the bracket. The second ground I made goes from the TAC module to the fire wall. #6. Feb 4, 2018 · Code P1516 (throttle acuator control TAC) P1516. Apr 9, 2020 · The Chevy Silverado p1516 code is a throttle body communication issue. P2101 = TAC Module Position Performance. If DTC P1516, P2101 and/or P2176 are not set, proceed to Step 28. Aug 11, 2018 · answered Aug 12, 2018 by Reynaldo (13. 2003 Chevy Silverado 5. Sep 22, 2018 · Repair U0107 throttle body code problems May 15, 2023 · Sorry about the shaky video. Truck started up and ran normal again but still has the cel on. 0 no response to throttle pedal,reduced power and mil are on,codes are p0120,p0220,p0758,p1516,p1518,p1860 any suggestions … read more Tim's Auto Repair Apr 2, 2011 · 2006-2009 Saab 97x. P1518 Chevrolet Code - Throttle Actuator Control Module Performance. Here is the definition of the code. Cab Z71 Silverado. I cleared the codes using a hand held code reader. I recently upgraded my mildly built LS1 with a new intake manifold and LS2 throttle body. P1516 are mainly poor connection with the throttle body. SOLD - 2016 CCSB Z71 Colorado. Later cold weather starts (below 50 degrees) reset the P1518 Sep 21, 2015 · P1516 code on 03 escalade - Answered by a verified Chevy Mechanic. 2003 chevy silverado 1500. This code indicates that there Apr 25, 2019 · The TP sensor has a 5. P1516 occurs when: The difference between the predicted throttle position and the actual throttle position is more than a calibrated amount. Jan 2, 2018 · 1 post · Joined 2018. This code usually means that you have an issue with your TPS. If that's the throttle module over to the right of the brake booster, I can see those plugs have been violated, so thank you for watching!!!!!If this video was helpful to you and if you would like to place a donation, here is my Venmo and PayPal information. Answered in 2 minutes by: Chevy Mechanic: GM Tech (Cam) Chat Conversation Started. 4WD. One and only code rising to read both current and pending is MIL/SES/CEL "P1514- throttle body motor actuator. Causes include: bad throttle position sensors, binding throttle valve, damaged wiring harness, bad ground connection, intermittent electrical faults. Nov 27, 2016 · So I left the barber yesterday and started my truck up. P1516 P2101 In this video would be going over what the reduced engine power light means and what you should do to fix it, a few Jan 9, 2020 · In this video I highlight a common problem effecting 2006-2018 GMC Chevy and Cadillac vehicles. 3L. This may be a result of an improper oil level or PCV restriction, which can cause excess oil to be forced into the engine air intake snorkel. Before you crank the vehicle cycle the key and Aug 26, 2019 · Two separate signal, low reference, and 5-volt reference circuits are used to connect the TP sensors and the Powertrain Control Module ( PCM ). Enter the enigmatic p1516 code, an intriguing puzzle that has befuddled many a Chevy Silverado owner. Was getting a p1516 code. Jan 5, 2016 · 2003 chevy 2500hd 6. 80,000 MILES. The throttle body wiring harness Apr 16, 2024 · The Motor Guy. Need help please. You need to have it checked for codes , could be a few different thing's Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516 P2138 APPS Accelerator Pedal Position Sensor Fix 3 5L Chevrolet Impala Lot's of codes for this , Drive by Wire Function and diagnostics by Wells Mar 20, 2019 · P2101 and p1516 please help. Faulty Catalytic Converter: The P1516 code is an indication that something is wrong with the catalytic converter of your car’s engine. 0 no response to throttle pedal,reduced power and mil are on,codes are p0120,p0220,p0758,p1516,p1518,p1860 any suggestions … read more Tim's Auto Repair Read more: P1516 Chevy Code: Throttle Position Sensor Issues Explained. 3L or 6. May 18, 2010 · 2003 silverado 2500hd trouble code p1516. somehow one or both sensors are out of their proper range, as a result the computer may not let the engine start (fear of unintentional accelleration or worse Mar 17, 2017 · P2101 P1516: Solved. There is a factory service bulletin for the P2119 code on the following Chevrolet vehicles: 2002-2009 Chevrolet Trail Blazer. SOURCE: engine won't start and shows trouble code P1516 and reduced engine power light is on. Putting a new battery seems to solve the problem for a few months, then the code come on again. Jan 15, 2018 · P1516 does not shut down the vehicle it can make go into limp mode and you will get a P2135, Check the fuse in the engine fuse box, listed as ETC / ECM which is a 15 amp fuse. · P1518 Throttle Actuator Control Module Serial Data Circuit. co 👈=====nonda Auto DIY Center is the biggest Apr 9, 2014 · P1516 is a throttle ACTUAL position/throttle DESIRED position correlation failure or a tps1 tps2 correlation invalid code. 04 Chevy Taho. 27. Here are the pictures of my grounds. Here is a P1516 and a zip tie was used to secure GETTING ENGINE CODE P1515 AND P1516. TP sensor 1 signal voltage decreases as the throttle opens. The throttle body position sensor could fail, which could cost up to $250 to replace. Aug 17, 2017 · I periodically get P2135 code (maybe once a month or so) and I can't seem to get this problem fixed. As a key component of the emissions reduction system, any fault with the catalytic converter can seriously impact overall vehicle performance and fuel efficiency. 4. the computer is senseing a difference between the gas pedal sensor and the commanded throttle position. Jul 6, 2005 · P1516 this diagnottic code has to due with drive by wire throttle contol system. This code comes on intermittently. I bought brand new ac delco throttle body with the sensor, o2 sensors, gas pedal with sensor, cut and placed a new connector to the throttle body harness. P1516 on Some Chevrolet Silverado Vehicles In some Chevrolet Silverado vehicles, the P1516 code can be set without any driveability concerns. Check the wiring carefully near the throttle and about 6" back. Are DTC P1516, P2101 and/or P2176 set? If DTC P1516, P2101 and/or P2176 are set, replace the throttle body. #2. " Codes p0300, p0301 and p1514. 5 to 5. ⚠ Check if your Chevrolet have Safety Recalls. C5 Corvettes, 1997 - 2004. P1514 Chevrolet Code - Throttle Actuator Control System Mass Air Flow Performance. Jun 4, 2015 · The P1516 code indicates a problem with the drive-by-wire system that controls the throttle body. The effected vehicle may present symptoms of reduced power mo Mar 11, 2020 · You can probably use the bolts on the alternator bracket. Fix? ZL1 Discussions. What I did is cleaned the TB, cleaned the MAF, changed the TB connector and passenger side engine ground wire and Nov 14, 2016 · Trouble codes were: · P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance, · P1517 Throttle Actuator Control Module Performance, and. Address any damaged wires connected to the throttle body promptly. Once I got the codes I decided to fire it up and it ran great. By chatting and providing personal info, Oct 20, 2014 · 21873 Answers. 0 no response to throttle pedal,reduced power and mil are on,codes are p0120,p0220,p0758,p1516,p1518,p1860 any suggestions … read more Tim's Auto Repair Subject: Check Engine Light On with No Drivability Concerns, DTC P0120, P0220, P1516, or P1518 Set (Clear Code) Models: 2003 Cadillac Escalade, Escalade EXT, Escalade ESV 2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003 GMC Sierra, Yukon, Yukon XL with 4. V8. There are factory service bulletins for the P1516 code on the following Chevrolet vehicles: 2006-2007 Chevrolet Avalanche 2006-2007 Chevrolet Express 1500/2500/3500 A P1516 code is a manufacturer specific trouble code, that may only occur in vehicle makes, such as GM (Chevrolet/GMC), Saturn, etc. 2004-2012 Chevrolet Colorado. Aug 13, 2022 · Tech Notes. This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Tighten: Tighten the fasteners to 10 Nm (89 lb in). truble code are P1518,P1516,P2108. engine-codes. C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace. Fixes for P1516 Code in Chevy and GMC Vehicles Without Replacing Throttle Body. Possible causes - Faulty Throttle Actuator Control (TAC) module. Jul 9, 2023 · https://amzn. TP sensor Signal voltage should be about 0. 1 l in a workhorse - Answered by a verified Chevy Mechanic. P1120 Chevrolet Code - Throttle Position Sensor 1 Circuit. I scanned it and came up with the codes p0120 p1516 A: P1516 ⁢Chevy is a diagnostic trouble code that refers to a specific issue with the Throttle Actuator Control Module (TAC) in⁤ Chevrolet ‍vehicles. Jun 3, 2021 · Likes: 4. Please discard PIP4578. Tampa Bay Area. 03 silverado codes p0120 p0220 p1516. Jul 4, 2021 · A vehicle may have a reduced power message, and DTCs P0120, P0220, P1516, P2101, or P2135. There are many issues that could cause this code. I replaced the the wiring harness to the throttle body and also the accelerator pedal. A dealer scan found no anomalies at the time the code was set. Jul 5, 2017 · P1516 code, That is the code p1516 and yes I have reset it twice. com. So I checked all ground wire include G103,104,105 and then replace TAC module and PCM, throttle sensor ,accelerate pedal pos … read more Dec 15, 2009 · You have a problem with the electronic throttle control . 2005 TRAILBLAZER WITH 4. Or I would re Aug 8, 2023 · Causes and Fixes Chevy/GMC P2135 Code: Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation. 2006-2007 Chevrolet Silverado Flex Fuel. Wouldnt start for more than 30 seconds, Replaced throttle positioning sensor and harness. This code is related to the Throttle Actuator Control (TAC) system, which uses electronic components to calculate and control the position of the throttle blade. Started for 10min and when i touched the brake it died and will not start back up, and threw the codes again after it died. Place the new TPS on the throttle body and secure it using the T20 Torx bolts. Mechanic's Assistant: I understand that youre experiencing a DTC P1516 and idle surges when the engine is cold in your 2008 Silverado, our Chevy Mechanic will be able to assist you with this issue. Apr 29, 2020 · How to fix your 2003 Chevy Silverado check engine light, 4. The P1516 code is caused by an issue with the Throttle Actuator Control Module (TACM), wiring harness, or accelerator pedal position sensor (APPS). Dec 22, 2008 · A vehicle may be brought into the dealer for a reduced power message, and DTCs P0120, P0220, P1516, P2101, or P2135. Well I found the service bulletin for Reduced Power messages due to P2135 codes. Chevrolet Trail Blazer, Colorado Factory Service Bulletin OBDII Code P2119. With a V8 Engine. Nov 22, 2023 · Good evening, I have a DTC P1516 and the idle surges when the engine is cold. So, new plugs, new coil, changed fuel filter, and cleaned the throttle body assembly. 2006-2007 Chevrolet Silverado Hybrid. 2006-2007 Chevrolet Silverado SS. Feb 9, 2017 · 7,891. 2 ENGINE - Answered by a verified Chevy Mechanic. P1516 (Throttle Actuator Control Module - Throttle Actuator Position Performance) I concur with your thinking of the possibility of having a Broken Wire in the Harness or close to the Throttle Body Connector and Harnessperhaps within an inch or two of the Connector. Jan 25, 2024 · P1516 code in Chevy vehicles can be fixed by the following actions: P1516 indicates an issue with the throttle actuator control system that affects throttle performance. 28. 1061 posts · Joined 2013. - Throttle Actuator Control (TAC) module harness is open or shorted. The Throttle Actuator Control (TAC) / throttle body type trouble codes, may be caused by a loose wiring crimp at the throttle body connector, or a broken throttle body circuit. 2006-2007 Chevrolet Silverado. Jan 19, 2020 · So Cal. I decided to ground this just in case there is a grounding issue related to the TAC Nadine because the code p1516 is where communication is lost from this module. The PCM (powertrain control module, or ECM or engine control module) serves as the command center for the TAC (Throttle Actuator Control) system and determines the appropriate response on the throttle of the driver. Pulled out the code and got 1 code which is p1516. 0 volt reference, a ground and a signal circuit. ad uc cu bf lt dw jk mj nu bw