Technical Service Bulletin 14636 — 2009 CHEVROLET IMPALA

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.