Skip the auto shop - Our mechanics make house calls

Q: Traction control warning comes on all the time

asked by on

My 2011 Chevrolet Impala has a weird little bug where it will sometimes light up random warnings on the dashboard and the power will be noticeably reduced. Sometimes you can restart the car to make it work. Not happy about this issue. The traction control light almost always comes on before the power is reduced. This car has 76,000 miles on it, so what the heck is going on here?

This issue should be covered by a recent GM special service bulletin 14636 that will replace your throttle position sensor and pedal assembly. The bulletin is dated April 8, 2015. Make an appointment with your local dealer and they will replace your throttle position sensor with a new pedal assembly and modify attachment plate on firewall. The request for service needs to be done by April 2016 or 116,000 miles.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car chugs when warms up at accerleration

Hi there: Usually the symptoms you're describing are more related to a vacuum leak, worn out spark plugs, bad spark plug wires or issue with the ignition system. It's also possible that dirty air and fuel filters, mass air flow...

Q: Speedometer and gears failed; car towed - 2009 Kia Borrego

It seems like the problem is one the shop may have not experienced just yet or they may have found a big problem and are trying to work with Kia directly for warranty or recall information. Take the vehicle back...

Q: ABS light is ON in my Toyota camry 2011 model of mileage 54,000.

Hi there. Congrats on replacing the speed sensor and correcting that code. The other codes that are stored may take some time to properly assess. Has the battery and alternator been tested? Have them both tested with digital testers that...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.