2016 GMC Canyon

WHEN ATTEMPTING TO TURN LEFT ONTO A HIGHWAY FROM A STOP SIGN, THE TRANSMISSION FAILED TO ENGAGE, WITH A 2-SECOND DELAY BEFORE ENGAGING AND ACCELERATING INTO THE TURN. AS A RESULT OF THE DELAY, I WAS NEARLY HIT BY ONCOMING TRAFFIC. THIS VEHICLE MODEL, 2016 GMC CANYON, HAS A HISTORY OF NOT BEING IN THE PROPER GEAR WHEN STOPPED OR MOVING AT SPEEDS BELOW 3-5 MPH. THIS ISSUE HAS HAPPENED TO ME OVER 100 TIMES IN THE FIRST 6 MONTHS OF OWNERSHIP, BUT THIS WAS THE FIRST TIME I NEARLY HAD A DANGEROUS COLLISION. GMC SHOULD CORRECT THIS PROBLEM WITH THE TRANSMISSION NOT BEING IN THE PROPER GEAR FOR BEING STOPPED OR FOR EXTREMELY LOW SPEEDS. *TR

TL* THE CONTACT OWNS A 2016 GMC CANYON. WHILE DRIVING APPROXIMATELY 10 TO 40 MPH, THE VEHICLE SHOOK UNCONTROLLABLY WITHOUT WARNING. THE DEALER DIAGNOSED THE VEHICLE AS HAVING TRANSMISSION FAILURE. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER ISSUED A LETTER RELATED TO THE ISSUE (PIP 5342A, DATED 12/21/2015). THE APPROXIMATE FAILURE MILEAGE WAS 250. ...UPDATED03/06/17 *BF *CN

NOTICED A FEW DAYS AFTER I BOUGHT THE TRUCK IT SEEMS THE TRANSMISSION NEVER KNOWS WHAT GEAR TO BE IN. YOU CAN TAKE OFF FINE BUT WHEN YOU TRY TO ADD A LITTLE SPEED, DOES NOTHING UNTIL A FEW MORE INCHES OF PEDAL IS APPLIED THEN IT ACCELERATES WAY TO FAST, ALMOST HIT THE CAR IN FRONT SEVERAL TIMES. ALSO, COMING OUT OF U-TURN OR FREEWAY UNDERPASS, SEEMS TO BE STUCK IN 6TH GEAR, HAVE TO DANG NEAR FLOOR IT TO GET IT TO ACCELERATE , ALL THE WHILE FOLKS ARE TRYING NOT TO HIT ME FROM BEHIND SINCE I AM NOT MOVING VERY WELL. FREEWAY DRIVING, SAME ISSUES, SAY YOU ARE AT 60MPH AND TRAFFIC CLEARS AND YOU TRY TO ADD A LITTLE PEDAL TO GET TO 65-70, I HAVE TO PUSH DOWN 2-3 INCHES BEFORE ANYTHING HAPPENS. SAME WHEN DRIVING 30 THEN TRYING TO GO TO 45, SHUDDERS AND STUMBLES LIKE A MANUAL TRANSMISSION VEHICLE WOULD IN 5TH GEAR @ 30MPH. YOU HAVE TO REALLY STAY ON THE GAS AND DRIVE HARD TO FOR IT TO DO ANY BETTER. I TOOK BACK TO THE DEALER UNDER WARRANTY AND WAS TOLD THIS IS NORMAL ACCORDING TO GMC TECH SUPPORT. NOT. I HAVE BEEN DRIVING 45 YEARS, MANY DIFFERENT CARS, AND THIS IS IN NO WAY NORMAL. IT IS NOT ONLY AGGRAVATING BUT QUITE DANGEROUS. FROM WHAT I HAVE SEEN ONLINE, THIS IS A VERY COMMON COMPLAINT. SHOULD TAKE NO MORE THAN SOME RE-PROGRAMMING OF THE SHIFT POINTS AND THROTTLE POSITION SENSOR. *TR

TRANSMISSION HESITATES DRAMATICALLY BETWEEN SOME SHIFTS..LONG PERIODS WHERE TRANSMISSION SEEMS TO BE IN NEUTRAL. TYPICALLY HAPPENS IN LOWER GEARS, SUCH AS BETWEEN 2 AND 3 GEARS. PRESSING ACCELERATOR THEM CAUSES A CLUNK INTO GEAR. ALSO, ON HIGHER SPEEDS, DOWNSHIFTS ARE SLOW TO OCCUR BUT THEN SEVERAL GEARS SEEM TO BE SKIPPED WHEN THE DOWNSHIFT FINALLY OCCURS, WITH SCREAMING ENGINE RPMS. THIS IS A 4 CYLINDER MODEL WITH 6 SPEED AUTOMATIC TRANS.

I BOUGHT A BRAND NEW 2016 CANYON, TEST DRIVE WENT WELL, ALTHOUGH I ADMIT IT PROBABLY WASN'T LONG ENOUGH. PURCHASED ON SUNDAY, AND DURING THE NEXT WEEK DRIVING I BEGAN NOTICING THE TRANSMISSION WAS NOT SHIFTING AT THE PROPER TIMES. LIKE MOST PEOPLE ON HERE, THE TRANSMISSION APPEARS TO BE VERY CONFUSED , ESPECIALLY WHEN DECELERATING INTO THE 20-35 MPG RANGE AND ATTEMPTING TO RE-ACCELERATE BACK UP. IT WILL MISFIRE OR BE VERY UNRESPONSIVE, AND THEN CLUNK AND JERK YOU FORWARD ONCE IT DECIDES TO CHANGE GEARS. IT ALSO DOES SOMETHING THAT I THINK IS EVEN MORE DANGEROUS WHEN YOU ARE GOING AROUND 30-40 MPG AND THEN SIMPLY LET OFF THE ACCELERATOR. IN THIS INSTANCE, I FEEL LIKE IT DOWN SHIFTS INSTANTLY AND IT FEELS LIKE THE TRUCK IS BEING PULLED BACK (INSTEAD OF SIMPLY COASTING LIKE I WOULD WANT), AND THEN AT SOME POINT IT "RELEASES" FROM THIS AND THE TRUCK ACTUALLY STOPS DECELERATING AND SPEEDS UP A BIT, EVEN THOUGH THE GAS HAD BEEN RELEASED MANY SECONDS AGO. THIS IS PARTICULARLY DANGEROUS IN STOP AND GO CITY TRAFFIC. I THINK THE OVERARCHING PROBLEM HERE IS THE SHIFT POINTS THAT THE ECM HAS DETERMINED (OR BEEN PROGRAMMED WITH). YOU CAN TELL THIS WHEN ACCELERATING FROM A STOP, MY TRUCK GETS TO THIRD GEAR BY 15 MILES PER HOUR AND NEVER GOES ABOVE 2K RPM'S??? I ADMIT I AM A BIT LIGHT-FOOTED ON DRIVING, WHICH COMPOUNDS THE PROBLEM BECAUSE I EVENTUALLY AM GIVING A SMALL AMOUNT OF ACCELERATION TO A TRUCK IN 4TH GEAR ONLY GOING 20 MPH, WHICH SUCK. I HAVE ALSO READ THIS WAS A COMMON PROBLEM ON 15 CANYON (OBVIOUSLY READ AFTER PURCHASE), AND GMC EVENTUALLY CAME OUT WITH A FEW FIXES, INCLUDING ECM PATCH UPDATES OR LOWER VALVE REPLACEMENT. I IMAGINE THAT MANY OF THE 2016'S WERE ALREADY OFF THE LINE BY THE TIME THESE '15 FIXES CAME OUT (IN APRIL 15 I BELIEVE), BUT THE DEALERSHIPS HAVE NOT RECEIVED ANY OF THESE FOR THE 2016.

THE TRANSMISSION DOES NOT DOWNSHIFT FROM A HIGH GEAR (5 OR 6) TO A LOWER GEAR WHEN SLOWING DOWN FROM 45 MPH TO 20 MPH (OR LOWER). WHEN THE ACCELERATOR IS DEPRESSED TO ACCELERATE THE ENGINE BUCKS, VIBRATES, AND DOES NOT ACCELERATE. THE ENGINE RPM DROPS TO 1,000 RPM OR LOWER. IF THE ACCELERATOR IS QUICKLY FLOORED THE TRANSMISSION DOWNSHIFTS SEVERAL GEARS LOWER AND JERKS FORWARD. THIS CONDITION HAPPENS PRIMARILY ON SECONDARY ROADS WHILE DRIVING ALONG THE ROAD AND WHEN PULLING FROM ONE ROAD INTO TRAFFIC ON ANOTHER ROAD. THE SITUATION WHEN PULLING INTO TRAFFIC IS DANGEROUS BECAUSE THE TRUCK DOES NOT ACCELERATE AS IT SHOULD.