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Traction control and reduced engine power - Cars & Trucks

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What make , model year and engine size ? Reduced engine power usually means thier is a fault with the electronic throttle control an when thier is a problem it will disable traction control . This will turn on warning lights on the instrument cluster .

Posted on Apr 30, 2017

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2012 Buick Enclave, dash reads Traction control off, service stabilitrak. Engine power reduced... why????


Engine power reduced... is the main problem ,this turned off Traction control off, service stabilitrak. Your vehicle has electronic throttle control , The Gas pedal has sensors inside which are connected by electrical circuits to the PCM - engine computer ,the PCM use's these inputs to control the throttle plate by use of a 12 volt DC motor . Plus there are position sensors on the throttle body for feed back to the PCM. When one of these signals is off The PCM will put the system into reduced power mode . This will also set DTC'S - diagnostic trouble codes . Your best bet , take it to a qualified repair shop.

Jul 12, 2017 | Buick Cars & Trucks

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My engine speed reduced light came on along with traction turned off on my 2009 Pontiac g6. when i accelerate it jerks.


Reduced engine power on GM vehicles has to do with the electronic throttle control .( Electronics ) Your best bet is to take your vehicle to a qualified repair shop or a GM dealer ! GM Reduced Engine Power Mystery Solved 04 Silverado REDUCED ENGINE POWER Case Study Part 1

Nov 08, 2016 | 2009 Pontiac G6

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What does "Reduced Power, Traction Fault" mean?


GM's power strategy will reduce power if it doesn't see proper charging. It does this to conserve battery power by shutting off non-essential electrical accessories. It can also mean that the traction control system is reducing engine power to avoid a skid. The traction control system gets input data from the wheel speed sensors to figure out if you're entering a skid or the wheels are locking up. One way to get you out of the skid is to reduce engine power or pump your ABS brakes. In your case you should get the trouble codes read. An ABS or traction code code could be a C, U or B code which can't be seen by a cheap scan tool or the tools they use at auto parts stores. GM had major problems with the ABS wheel speed sensors built into the wheel bearing hubs in these vehicles. The fix involved replacing the hub. So get the codes read by a pro scanner to find out which wheel sensor is setting the code. Then do the fix. Also, the P0128 is usually caused by a bad thermostat. Fix that first, because if the engine doesn't get up to operating temperature, the computer can limit some features.
Read these posts for more trouble code information
http://ricksfreeautorepairadvice.com/p0128/
http://ricksfreeautorepairadvice.com/abstcs-light/

Jun 26, 2017 | 2005 GMC Canyon Crew

1 Answer

Tow messages appear on the dash board: Service traction control and Engine power reduced. When this happen I can feel the shift in the transmission when I'm driving. After a while these messages d


Pretty much tells you the system with the fault

Traction Control is embedded into the abs braking
system, so diagnose that using the codes you have,
same as any other obd codes you get

The Reduced Power could be another problem & it
cuts off fuel injectors to save the exhaust converter
from overheating & being ruined

Mar 10, 2013 | 2009 Chevrolet Impala

1 Answer

2006 chevy impala traction control


Reduced power is a problem with electronic throttle contol . drive by wire . Do you know what this is ? Taking the vehicle an having it hooked up to diagnostic tool an checking for DTC'S - diagnostic trouble codes is always a first step when trying to find the root cause of any trouble light ! And not auto zone , pep boys , or advance auto parts . Thier diagnostic tool will not check codes in all system control modules .

Apr 15, 2017 | 2006 Chevrolet Impala

1 Answer

Traction control light on and engine power reduced


you could have a stuck switch .....check your traction control switch on your dashboard....engage and disengage it , while paying attention to the rpms...notice any change...if you do notice a change, then replace the switch....if no change, it is probably on the trans itself and should not be a dealer only fix....your local reliable trans shop should be able to fix you up without emptying your entire wallet.

Apr 22, 2012 | 2009 Chevrolet Impala

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My 2002 Volkswagen jetta lights on for traction control and ERP light. Car has no power.


Hi there?
The traction system is linked to the engine managment, if there a fault in the traction system it can reduce the engine power output. You need to scan the traction control system to see what fault code comes up.

Jun 03, 2011 | 2002 Volkswagen Jetta TDI

2 Answers

Engine power is reduced keeps showing on the dash screen, as does service traction control. the car is running rough and has no power when this occurs.


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

Feb 12, 2010 | 2006 Chevrolet Impala

1 Answer

WHat does it mean when your traction control indicator comes on and says it has reduced your engine power?


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!

Nov 19, 2009 | 2006 Chevrolet Impala

2 Answers

Service Throttle Control


It sounds like these things are all related. When the a computer sees a problem in the Electronic throttle system, it will dissable traction control, and give the reduced engine power alert because the powertrain computer does not know the value of throttle postion.
Codes will need to be scanned in the computersto begin diagnosis.
TechJK

Jan 30, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

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