Question about 2011 Chevrolet Silverado 1500

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Reduced engine power 2011 silverado

Im also due for oil change would this cause this problem , it also says traction control off and stability something off

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: WHat does it mean when your traction control

Hello Jeremy.
When your traction light comes on it is indicating wheel spin on acceleration. To prevent wheel spin an onboard computer reduces engine power to limit the wheel spin. Some, if not most, cars equipped with this feature will also apply the brakes if wheel spin continues after reducing engine power.
Hope this answers your question.
Thank you for using Fixya!

Posted on Nov 19, 2009

  • 1 Answer

SOURCE: engine power is reduced keeps showing on the dash

how do you fix the "reduced engine power" light on the dash bard of a 07 Chevy Impala LTZ and "Service Traction Control"?

Posted on Feb 27, 2010

  • 714 Answers

SOURCE: The "engine power is reduced" light comes on

po455 is Probable Cause[s]

1. Defective, loose or missing fuel cap
2. EVAP canister broke, hose cracked or not connected
3. Purge or vent solenoid defective
4 . Vacuum leak at engine po121 code po121 means Throttle Position Sensor/Switch A Circuit Range/Performance Problem . it is usually indicative of a faulty throttle position sensor or faulty wiring harness in the engine bay.

Posted on Feb 27, 2010

  • 2 Answers

SOURCE: my service traction control light keeps on going

I have a 2006 checy impala and the TCS ( TRACTION CONTROL SERVICE) liught came on..What does this mean?

Posted on Mar 08, 2010

  • 2 Answers

SOURCE: 2009 chevy silverado traction control


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

Your vehicle has an electronic throttle body unit so it uses voltage signals to control throttle blade in the throttle body. There are a few different issues that can cause this problem.

First off there is a update for the PCM to address those codes, but you will have to take it to the dealer for that.

Second there is issues with the actuator on the throttle body binding up and causing the codes.

Third there is a yellow wire coming off the throttle body connector that breaks inside internally and cannot be seen to the naked eye. The best way to test that is to grab the wire about 5 inches from the connector and tug if it feels spongy or breaks, that

Posted on Jan 01, 2011

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2 Answers

On my 2010 Silverado the message center says engine power reduced, service stabilitrack and service traction control system. What would cause these messages. It started after sitting for a few days


The fault codes have nothing to do with it sitting for a few days. There are sensors that work with your ABS brakes and TCS to help your car maintain control when corning briskly under load. You probably have a bad sensor on one of the wheels. Recommend you get the Haynes manual to see exactly how to test and replace them. A multimeter will help too.

Apr 04, 2015 | 2010 Chevrolet Silverado

1 Answer

I have a 2003 Chevy 1500hd Silverado and the reduce engine power comes up on dash and I lose all power after I turn off and on a couple of times and it works again whats is the problem and how I fix it....


try disconnecting the battery for 5 minutes to reset the complete system. a few different things cause the reduced power to activate, oil pressure, coolant temp, traction control. I use my snap-on MT2500 to locate these types of problems

Feb 11, 2015 | 2003 Chevrolet Silverado 1500HD

1 Answer

Service traction control and stability warning come on occasionally followed by reduced engine power


When I had this problem it was due to a problem with the Accelerator Pedal Position Sensor. They are really easy to replace as seen in this video:

Oct 04, 2014 | 2008 Chevrolet Impala LT

1 Answer

What causes the "Reduced Engine Power", "Service Stability Control" and "Traction Control" warning lights to come on?


the "Reduced Engine Power", problem causes the PCM to disable "Service Stability Control" and "Traction Control" turning on the warning lights to come on for those systems . The reduced engine power is because of a problem with the electronic throttle control system or as GM calls it TAC system . Reduced Engine Power Mode
When the PCM detects a condition with the TAC system, the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The PCM will continue to use the accelerator pedal for throttle control, however, the vehicle acceleration is limited.
• Limited throttle mode--The PCM will continue to use the accelerator pedal for throttle control, however, the maximum throttle opening is limited.
• Throttle default mode--The PCM will turn OFF the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The PCM will perform the following actions:
- Limit engine speed to idle by positioning the TP, or by controlling the fuel and spark if the throttle is turned OFF.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The PCM will disable fuel and de-energize the throttle actuator.
© 2017 General Motors Corporation. All rights reserved.



Drive by Wire training Your best bet , take it to a GM dealer

Mar 04, 2017 | 2005 Pontiac Grand Prix GT

1 Answer

On the 2011 silverado 1500 what causes the check engine light to come on simultaneously with the traction control light(and stays on),then the warnings flash first"service traction control", then,"ser


I know this sounds unrelated but, reset the light and tighten down the gas cap, or buy another gas cap.

I just helped a friend fix his truck that did everything you have stated. (However his was a Toyota)

Aug 16, 2014 | 2011 Chevrolet Silverado 1500

1 Answer

What is causing reduced engine power message to come on with check engine light and service stability control warning


There are a lot of things that can cause this. Get the check engine light test done for free at a local auto parts chain.

Aug 15, 2014 | 2011 Chevrolet Silverado 1500

1 Answer

Ecs light on 2011 HHR LS and low power


ECS is electronic controlled stability. It works with traction control when it is slippery and it does cause what you describe. It reduces the power to the engine and drive train. IT could be from ice build up on wheel sensors.

Mar 01, 2014 | 2011 Chevrolet Chevrolet HHR LS

1 Answer

What is ASC


ASC is a brand of Traction Control. It reduces engine power if the wheels begin slipping under heavy acceleration.

BMW used this brand for their first traction control system, which was replaced with ASC+T. ASC+T also brakes the slipping wheel to more quickly regain traction. Later ASC+T was replaced with DSC, their stability control brand.

Traction control systems have been replaced by more comprehensive stability control systems (mandatory on new cars in many countries), which ensure the car is always pointing in the direction you are steering.

Jan 14, 2014 | Cars & Trucks

3 Answers

2011 Chevy impala engine power reduced


Like ALL Vehicle problems, the car has to be scanned
with professional test equipment, to find any codes &
systems with the faults,before any component testing
can take place

Mar 05, 2013 | 2011 Chevrolet Impala

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