NHTSA Complaint #11611932 — 2011 CHEVROLET IMPALA VEHICLE SPEED CONTROL

Complaint Details

ODI Number	11611932
Vehicle	2011 CHEVROLET IMPALA
Component	VEHICLE SPEED CONTROL
Date of Incident	August 19, 2024
Date Filed	August 31, 2024
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NJ

Consumer Description

After getting into my parked car and starting it, the Stabilitrak warning message came on my display. This is the 2nd tike that this occurred. The first time it occured, my mechanic diagnosed it as a failed throttle body, which I replaced myself, (easy removal/installation). Now, a couple of months later, it occurred again. After doing some online research, it seems as though the position sensor on the accelerator pedal may be at fault. A lot, if not most cars today have a "fly-by-wire" system which replaces cables and such with sensors and motors. So, the accelerator, (gas), pedal controls the movement of the butterfly valve on the throttle body by sending a signal to the motor. I'm going to replace that... about $140 or so. I saw a YouTube video and the removal/installation is fairly easy. A lot of people are having this issue; maybe a recall is needed?

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Recent Complaints for the 2011 CHEVROLET IMPALA

#11563735 — ELECTRICAL SYSTEM — January 5, 2024 — Service stabilitrak warning, followed by reduced engine power, then car starts jerking.

#11563735 — ENGINE — January 5, 2024 — Service stabilitrak warning, followed by reduced engine power, then car starts jerking.

#11563735 — STEERING — January 5, 2024 — Service stabilitrak warning, followed by reduced engine power, then car starts jerking.

#11561755 — ELECTRICAL SYSTEM — December 25, 2023 — i own a 2011 chevy impala 4 door that has a very serious engine issue. I was on my way home and suddenly the service ...

#11561755 — ENGINE — December 25, 2023 — i own a 2011 chevy impala 4 door that has a very serious engine issue. I was on my way home and suddenly the service ...