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Check engine code is p1516 and reduced engine power warning

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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dvs9mm1971
  • 114 Answers

SOURCE: reduced power p1516 code

P1516 Throttle Actuator Control(TAC) Module Throttle Actuator Position Performance

This is your problem and should be taken in to chevy for repair

Posted on Oct 15, 2009

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  • 462 Answers

SOURCE: no power

The problem may be located at the connector on the throttle body. The terminals can be loose, broken wires inside the the plastic where you cant see them, and corroded grounds.

If you can get the check engine light to shut off, try wiggling the wiring from the connector on the throttle body from the connector out to at least 4 inches to induce a check engine light. Clean and tighten the grounds on the engine block also.

Good luck finding the problem.

Posted on Dec 13, 2009

wilsodfarm
  • 986 Answers

SOURCE: I have a 2005 GMC 2500HD code P1516, already

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.Inspect all related throttle body terminals for a loose wiring crimp. The loose crimp may be difficult to find, and the poor connection will be between the terminal and the copper strands of the wire. Wiggle test the individual throttle body circuits to see if the concern can be duplicated.
Inspect the related circuits for broken wires inside the insulation. The outer wire insulation may look fine, but the internal copper strands may be partially broken. Breaks in the wires usually occur within 1 to 4 inches of the throttle body connector. Wiggle testing may also induce a trouble code to set.
On C/K trucks complete SI procedures for voltage drop on grounds G103 and G104. Grounds G103 or G104 may be loose or corroded. If a terminal crimp or a broken wire has been found, repair or replace only the circuits involved. There is a throttle body pigtail connector available through GMSPO, post back with what you find.

Posted on Dec 15, 2009

  • 89 Answers

SOURCE: 2002 Chevy Trailblazer

hi, those sound like throttle actuator codes. the throttle body on your vehicle should be an electronically controlled unit without wires to control actual acceration an deceleration. now, there is also an electronic switch called a potentiometer on the gas pedal that transmits signal to the throttle body to tell it what to do. most of the time, the throttle body is what goes bad here. you should also check the wiring to the unit for bad connection by wiggling the wire connector and seeing if the reduced engine power light comes on. if this happens, you will likely have to replace the wiring pigtail and the throttle body. but, in some cases, the gas pedal switch goes bad, and likely what is not allowing the transmission to shift out of park, the pcm may lock out the solenoid controlling the shifter. but, don't just run with that answer, it maybe completely wrong. i have seen more throttle bodies and wiring harnesses go bad than gas pedal switches in those vehicles. but you might want to have a shop diagnose further, it may even be two unrelated problems, or in the powertrain computer itself.

Posted on Jun 19, 2010

dj_relly999
  • 4070 Answers

SOURCE: sitting in car in parking lot with engine running

Hi and welcome to FixYa!
It is safe to drive and I assume that you are on limp mode. This is to restrict the speed to avoid further damage to the engine. You can be facing some sensor issues like the MAF (mass air flow) sensor or TPS (throttle position sensor). If one of these sensor is faulty the car tends to run sluggish, run rough or may even result to stalling.

Have the sensors replaced and observe how it goes. This can fix the issue.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Feb 17, 2011

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04 chevy trailblazer Reduced engine power


You have a problem with the electronic throttle control . 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


Feb 24, 2016 | Cars & Trucks

1 Answer

I push the gas pedal on my 2004 CTS and it does not go what is the problem


Your caddy has Electronic throttle control ,drive by wire ! Do you know what this is ? You gas pedal ,if you look at it has wires connected to it .These wires hook up to the engine computer ,the engine computer has more wires that hook up to a dc electric motor under the hood on the throttle body which open an close the throttle plate ,which makes the vehicle go faster or slow down !

Are there any messages on your dash REDUCED POWER ? Check engine light lit ?

Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516...

Aug 24, 2015 | Cars & Trucks

1 Answer

What is code P1516


P1516 is a reduced engine power code ,check the ground wire to the head and have your throttle position sensor (TPS) tested

Apr 24, 2014 | 2004 GMC Yukon XL

1 Answer

Engine won't start and shows trouble code P1516 and reduced engine power light is on


Here is the definition of the code.

Possible causes - Faulty Throttle Actuator Control (TAC) module
- Throttle Actuator Control (TAC) module harness is open or shorted
- Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)

P1516 CHEVROLET Description The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously test the integrity of this data. 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 Detected Trouble Code (DTC) is set.
Read more: http://engine-codes.com/p1516_chevrolet.html#ixzz286Gl3cSo

Sep 28, 2012 | 2002 Chevrolet TrailBlazer

1 Answer

The reduce engine light comes on at 50 mph what could the problem be


DTC P0120 P0220 P1516 P2135 these should be the problem codes.
2003-2006 Chevrolet Avalanche, Corvette, Express, Monte Carlo, Silverado, SSR, Suburban, Tahoe, Trailblazer. for reduced engine power. p0120 is throttle position sensor, ( tps ). p0220 is relates to tps, p1516 tps is out of range. p2135 is a throttle body code, the throttle body needs replaced. but before you do it replace tps first to see if it takes care of the other codes. have a good day !!

Feb 18, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

Reduced power p1516 code


P1516 Throttle Actuator Control(TAC) Module Throttle Actuator Position Performance

This is your problem and should be taken in to chevy for repair

Oct 15, 2009 | 2004 Chevrolet Malibu

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