2011 Buick Enclave Speed Control & Cruise Problems

I WAS DRIVING IN TOWN AT ABOUT 25 MILES AN HOUR WHEN MY VEHICLE SHUT OFF THE TRACTION CONTROL AND MY VEHICLE WOULDN'T GO ABOVE 15 MPH. DASH SAID SERVICE TRACTION CONTROL.

DRIVING ON HWY AT 60 MILES PER HOUR AND SUDDEN ENGINE REDUCE POWER AND STABILITY TRACK LIGHT ARE ON. CAN DRIVE CAR MORE THAN 30 MILES PER HOUR NOW. AND OCCASIONALLY A BACK FIRE.

WHILE TRAVELING WITH CRUISE CONTROL SET TO 79 MPH, I ACCELERATED TO PASS A SEMI THAT WAS DRIVING ERRATICALLY. AFTER PASSING, I LET OFF THE GAS BUT THE GAS PEDAL STUCK. NONE OF THE CRUISE CONTROL BUTTONS WOULD WORK TO SLOW US, THE BRAKES WOULD NOT SLOW US, EVENTUALLY PLACING THE CAR IN NEUTRAL ALLOWED US TO SAFELY STOP ALONG THE ROAD. BUICK CUSTOMER SUPPORT BASICALLY SAID THERE'S NOTHING WRONG AND UNTIL THERE'S MORE INCIDENTS THEY WON'T DO ANYTHING.

CHECK ENGINE LIGHT CAME ON AND VEHICLE SUDDENLY REDUCED SPEED WHILE DRIVING ON RESIDENTIAL STREET. MESSAGE DISPLAYED ON PANEL, "ENGINE SPEED IS REDUCED." IN A SEPARATE ISSUE, WE WERE ADVISED BY THE DEALERSHIP TO KEEP DRIVING THE VEHICLE EVEN IF THE CHECK ENGINE LIGHT APPEARS TO EMPTY OUT THE FUEL. THE DEALERSHIP BELIEVES THE FUEL IS BAD. THIS MAY BE RELATED TO THE FIRST ISSUE, BUT I AM UNSURE. *TR

I WAS DRIVING ON A 2 LANE ROAD IN A 55MPH ZONE, AT 40MPH ACCELERATED TO PASS A VEHICLE AND ACCELERATOR PEDAL TOOK OVER AND ACCELERATED TO 87 MPH AND WOULD NOT RELEASE. BRAKE WAS STIFF AND WOULD NOT SLOW VEHICLE OR RELEASE ACCELERATOR. AFTER 30 SECONDS OF JIGGLING GAS AND BRAKE PEDALS IT CAME BACK UNDER CONTROL AND RELEASED. RPM GAUGE WAS GOING UP AND DOWN AT THIS TIME AS WELL. THIS PROBLEM NEARLY CAUSED A CRASH IF ANOTHER CAR WAS IN THE LANE OR ONCOMING TRAFFIC. *TR

THIS PARTICULAR PROBLEM IS WITH THE CRUISE CONTROL MECHANISM AND IT'S ABILITY TO MANAGE THE COMMAND WHICH IS GIVEN. THE 1ST OCCURRENCE HAPPENED IN 01/2014, ON THE 1ST DRIVE OF THE DAY. TEMPERATURE WAS 44, SUNNY AND ROADS WERE DRY. I LOCKED IN THE CRUISE CONTROL AT 55 MPH AND WHEN I WENT TO DECREASE THE SPEED AND LOCK IT IN AT 45 MPH, THE CARS SPEED INCREASED 10 MPH AFTER ONE PRESS OF THE CRUISE CONTROL BUTTON. THE CAR QUICKLY INCREASED ITS SPEED UNTIL I REALIZED WHAT WAS HAPPENING AND PRESSED THE BRAKE. THE FOLLOWING WEEK IT HAPPENED 2 OTHER TIMES AT DIFFERENT SPEEDS (50 MPH AND 40 MPH). IN THE FIRST INSTANCE THE CRUISE WAS SET AT 40 MPH AND I WANTED TO INCREASE IT TO 55 MPH. AFTER ONLY PRESSING THE BUTTON TWICE, IT JUMPED 15 MPH DISPLAYING A CRUISE SPEED OF 65 MPH. IN THE 2ND INSTANCE, I WAS DECREASING SPEED FROM 55 MPH DOWN TO MATCH TRAFFIC (NO SPECIFIC SPEED WAS INTENDED) AND IT INCREASED THE SPEED 10 MPH AFTER THE 4TH OR 5TH PRESS OF THE CRUISE CONTROL BUTTON. I HAVE ACTUALLY WITNESSED THE SPEED CHANGE ON THE DISPLAY AND ADD 5, 10 OUR 15 MPH QUITE A FEW TIMES NOW. EACH TIME THE CAR WILL INCREASE ITS SPEED AFTER A FEW SECONDS DELAY. THERE HAS ALSO BEEN MULTIPLE INCIDENTS WHERE I WAS TRYING TO INCREASE SPEED AND IT ACTUALLY DECREASED SPEED. AFTER MULTIPLE INSTANCES, I BROUGHT THE CAR TO THE GM DEALERSHIP IN CARSON CITY, NV AND EXPRESSED MY CONCERN. THEY SAID THEY COULD DO NOTHING AS THEY COULDN'T DUPLICATE THE PROBLEM. THOUGH THIS HAPPENS QUITE FREQUENTLY, IT DOES NOT DO IT EVERY TIME. IT MUST BE NOTED THAT IT DOES NOT HAPPEN AT A PARTICULAR SPEED, AND HAPPENS BOTH ON INCREASING AS WELL AS DECREASING YOUR SPEED. THANK YOU FOR YOUR TIME AND CONSIDERATION ON THIS MATTER. *TR

TL* THE CONTACT OWNS A 2011 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE AT A STOP SIGN, THE VEHICLE ACCELERATED INDEPENDENTLY. THE CONTACT WAS UNABLE TO CONTROL THE VEHICLE AND CRASHED INTO THE SIDE OF A HOUSE. THERE WERE NO INJURIES AND A POLICE REPORT T WAS NOT FILED. THERE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 36,000.

SLOWING DOWN TO STOP FOR RED LIGHT THE CAR SPEEDED UP BY ITSELF. I HAD TO PRESS VERY HARD ON THE BRAKES TO STOP THE CAR . *TR

TL* THE CONTACT OWNS A 2011 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE DRIVING AT ANY SPEED WITH THE CRUISE CONTROL ENGAGED, THE VEHICLE WOULD FLUCTUATE BETWEEN DRIVING 5 MPH FASTER OR 4 MPH SLOWER THAN THE INTENDED SPEED. WHILE DRIVING UPHILL, THE VEHICLE WOULD DRIVE APPROXIMATELY 4 MPH SLOWER THAN THE INTENDED SPEED. WHILE DRIVING DOWNHILL, THE VEHICLE WOULD DRIVE APPROXIMATELY 5 MPH FASTER THAN THE INTENDED SPEED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE VEHICLE WAS OPERATING AS INTENDED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 750. THE VIN WAS UNAVAILABLE.

TL* THE CONTACT OWNS A 2011 BUICK ENCLAVE. THE CONTACT STATED THAT THE ACCELERATOR PEDAL GOT STUCK IN A PARTIALLY DEPRESSED POSITION AND THE BRAKES WOULD NOT STOP THE VEHICLE WHEN ENGAGED. THE VEHICLE WAS PLACED INTO NEUTRAL BEFORE CRASHING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY WERE UNABLE TO DIAGNOSE THE FAILURE, BUT THE PHYSICAL DAMAGES WERE REPAIRED. THE FAILURE MILEAGE WAS 2,000 AND THE CURRENT MILEAGE WAS 2,700.