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Service bulletins for the 2011 Chevrolet Impala

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1238 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Throttle and cruise control are shown. Show all

Bulletins, newest first
130089004H2023-12-11. Service bulletin. VISIBILITY:WINDSHIELD; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS). Car and Truck Fix it Right the First Time Issues
146362017-02-01. Service bulletin. ENGINE; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. 14636 - SPECIAL COVERAGE. SOME 2009 MODEL YEAR BUICK LACROSSE AND ALLURE VEHICLES AND 2009-2011 MODEL YEAR CHEVROLET IMPALA VEHICLES MAY HAVE A BROKEN SOLDER CONNECTION WITHIN THE ACCELERATOR PEDAL POSITION (APP) SENSOR. THIS CONDITION MAY RESULT IN REDUCED ENGINE POWER AND LOSS OF TRACTION CONTROL ASSIST. ALL OTHER ACCESSORIES AND VEHICLE SYSTEMS WILL FUNCTION NORMALLY. WHILE THE CONDITION IS PRESENT, THE DRIVER INFORMATION CENTER WILL DISPLAY “ENGINE POWER IS REDUCED,” AND MAY ALSO DISPLAY “SERVICE TRACTION CONTROL” AND “SERVICE STABILITRAK”. DEALERS ARE TO REPLACE THE ACCELERATOR PEDAL ASSEMBLY.
SC-146362015-10-31. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. CHEVROLET/BUICK: SOME VEHICLES WILL OR MAY HAVE, WITHIN ACCELERATOR PEDAL POSITION SENSOR, A BROKEN SOLDER CONNECTION CAUSING REDUCTION IN ENGINE POWER AND TRACTION CONTROL ASSIST LOSS. MODEL 2009 LACROSSE, ALLURE, 2009-11 IMPALA. *PE
PIC-56952012-08-18. Service bulletin. VEHICLE SPEED CONTROL. CADILLAC/BUICK/CHEVROLET: ON SOME VEHICLES, DUE TO POSSIBLE FAULTY BRAKE PRESSURE SENSOR, CRUISE CONTROL FAILS TO ENGAGE OR STAY ENGAGED. *PE
PIC-54932011-08-01. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. GM: 2006-2011 IMPALA. THE ACCELERATOR PEDAL MAY HAVE EXCESSIVE PLAY. THE BOLTS ARE NOT TORQUED TO SPECIFICATIONS. *RM

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.