2016 Chevrolet Colorado Complaint Log

I TOOK MY COLORADO IN TO DEALERSHIP DUE TO ENGINE STALLING, THIS IS A VERY DANGEROUS SAFETY ISSUE, I LOSE STEERING AND BRAKING ABILITY WHEN THE ENGINE STALLS. THE DEALERSHIP SAID THEY ARE AWARE OF THE PROBLEM BUT THEY DO NOT HAVE AN ANSWER ON HOW TO FIX THIS ISSUE. THE DEALERSHIP INFORMED ME THEY HAVE 4 OTHER COLORADO'S DOING THE EXACT SAME THING. ALSO THERE ARE THOUSANDS OF COMPLAINTS ON THE INTERNET OF THIS EXACT SAME DEFECT. I ASK CHEVROLET TO BUY BACK MY COLORADO DUE TO IT IS NOT SAFE TO DRIVE. *JS

TRANSMISSION ERRATIC SHIFTING AT LOW SPEEDS . TRANSMISSION ACTS LIKE IT IS LOST AND DOES NOT KNOW WHAT GEAR TO GO TOO . HUNDREDS OF INTERNET COMPLAINTS WITH NO FIX .

2016 CHEVY COLORADO WITH LESS THEN 10,000 MILES. AT LOW RPMS ON ANY INCLINE TRUCK WILL BUCK, SPUTTER, AND HESITATE RATHER THAN AUTOMATICALLY SHIFT INTO LOWER GEAR. IN CITY TRAFFIC, AFTER SLOWING TO MAKE A TURN THEN ACCELERATING, TRUCK WILL BUCK AND SPUTTER AND DRIVE TRAIN WILL MAKE A HAMMER SOUND AFTER ENGAGING . I TOOK IT TO DEALER WHO SAID HE COULD NOT DUPLICATE PROBLEM, ALTHOUGH THIS IS A KNOWN PROBLEM.

THE REAR FENDERS ON TRUCK ARE BLISTERING. THERE ARE BUMPS ALL ALONG THE OUTSIDE OF THE REAR FENDER WELLS. THE PROBLEM IS ROAD DEBRIS AND SMALL STONES GETTING UP INSIDE THE INNER FENDER WELLS AND VIBRATING DOWN PUSHING DENTS THROUGH TO THE OUTSIDE OF VECHICLE. THIS IS GOING TO RESULT IN ACCELORATED RUST THROUGH OF THE REAR FENDERS AS THE FINISH IS DAMAGED ON BOTH SIDES OF THE PANELS. I HAVE WORKED WITH THE DEALER, WHO ATTEMPTED ONE REPAIR (WHICH FAILED) BUT I HAVE BEEN TOLD BY THEM AND GM CUSTOMER SERVICE THAT THEY WILL NOT FIX THE ISSUE. THE TRUCK HAD 16200 MILES ON IT WHEN THIS STARTED. I FOUND ONLINE THAT OTHER GM TRUCKS HAVE THIS ISSUE, CHEVROLET ISSUED A SERVICE BULLETIN ON SILVERADOS FOR THE SAME ISSUE AND OTHER PEOPLE ARE COMPLAINING ON THE COLORADO OWNERS SITES BUT GM IS REFUSING TO MAKE REPAIRS. THIS ISSUE IS GOING TO CAUSE RUST THROUGH AND JAGGED BODIES ON ALL OF THESE VECHICLES IN VERY SHORT ORDER IN NORTHERN AREAS.

TIRES MAKING A LOUD NOISE SINCE THE 20,000 MILE MARK, VIBRATION AS WELL, CURRENTLY 28,686 MILES, SCALLOPED TIRES? SO LOUD ON HIGHT WAY CAN'T HEAR RADIO, NOISE IS BOTHERSOOM, QUESTION ANY RECALLS

THE IGNITION WILL NOT TURN COMPLETELY OFF WHICH MEANS THE KEY WILL NOT COME OUT. I MAY HAVE TO RESTART THE ENGINE, PUT IT IN GEAR AND MOVE A FEW FEET, FIVE TIMES TO GET THE KEY OUT. THE ENGINE ITSELF SHUTS OFF, BUT EVERYTHING ELSE STAYS ON. THIS HAPPENS FREQUENTLY. CHEVROLET HAS ISSUED A BULLETIN SAYING A DIRTY KEY WILL CAUSE THIS. HOW MANY TIMES IN YOUR LIFETIME HAVE YOU HAD TO CLEAN A KEY? THIS HAPPENS AFTER I HAVE STOPPED AND TRIED TO TURN THE TRUCK OFF.

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. THIS TRUCK WAS PURCHASED NEW AND HAS 14,500 MILES ON IT. THIS CONDITION HAS BEEN PRESENT SINCE THE TRUCK WAS NEW AND THE SEVERITY VARIES WITH TRUCK SPEED AND ROAD INCLINATION.

TRANSMISSION FAILS TO DOWNSHIFT PROPERLY AND SHUTTERS WHEN COMING BACK UNDER ACCELERATION AFTER SLOWING (TO YIELD FOR EXAMPLE) AND SOMETIMES SHUTTERS WHEN COMING TO A STOP. IF I TAP THE ACCELERATOR TO FORCE IT TO DOWNSHIFT, IT VIOLENTLY SHIFTS TO A TOO-LOW GEAR AND THE ENGINE REVS TOO HIGH.

I HAVE A 2016 CHEVY COLORADO 4 CYLINDER TRUCK AT THE DEALER AGAIN. HAD IT IN ABOUT 8-10 MONTHS AGO ON THE ENGINE REVIVING REAL HIGH WHEN COMING TO A STOP. THEY SAID IT WAS PROBABLY THE HILL ASSIST SYSTEM AND NOTHING THEY COULD DO. NOW IT'S CHRONIC. IT CAN REV TO 2200 RPMS AS I COME TO A STOP. I HAVE TO KICK IT IN NEUTRAL TO KEEP FROM HITTING A KID IN A CROSSWALK OR THE CAR IN FRONT OF THE. BOTH FEET ON THE BRAKES. AND, WHEN I PUT IT IN NEUTRAL, IT CAN REV UP TO 4000 RPM'S. IT'S BACK AT THE DEALER NOW AND THEY DON'T HAVE ANY SERVICE BULLETINS ON IT. I TEST DROVE A V-6 300 HP MODEL WHILE THERE AND IT DID THE SAME THING 2 TIMES AND THE SALESMAN DIDN'T NOTICE, BUT IT NEVER GOT OVER 1800 RPMS. SO,THEY HAVEN'T FIXED IT. BUT THEY'RE SINCERELY TRIED BUT I THINK IT'S THE SYSTEM NOT THE DEALER. THE HILL ASSIST SYSTEM DOESN'T PICK UP ON IF YOU'RE LEVEL OR GOING DOWN A HILL ANYMORE. JUST REVS UP, AND IT'S IN 1ST GEAR WHEN COMING TO A STOP.THE TORQUE IS TREMENDOUS ON THE BRAKES. IT'S AN ACCIDENT WAITING TO HAPPEN. I DON'T THINK THE DEALER IS NEGLIGENT IN ANYWAY, I THINK IT'S THE COMPUTER DESIGN ON THAT HILL ASSIST HAS GONE HAYWIRE ON US. *TR

The contact owns a 2016 Chevrolet Colorado. The contact stated that while driving at various speeds the vehicle would have a sudden loss of power steering. The failure occurred intermittently. The contact believed the check engine light, traction control, abs, and stability track warning lights and or messages become illuminated. The vehicle goes into limp mode causing the contact to have to turn the vehicle on and off several times. The contact stated that while their son was driving approximately 5 mph, on icy road conditions, the power steering suddenly failed to cause the driver to lose control of their vehicle. The vehicle ended up veering off the side of the road into a ditch about 6 feet deep. The air bags did not deploy. The driver had no injuries and no medical attention was needed. A police report was not filed. The vehicle had to be lifted out of the ditch and then towed. There was no damage. The vehicle had not been repaired. The manufacturer was made aware of the failure. The approximate failure mileage 140,000.

MAY BE THE ABS/SPEED SENSOR WIRE GOING TO THE HUB WAS DAMAGED WHEN THE HEADLAMP WAS DAMAGED BECAUSE I NOTICED THE SPEEDOMETER WAS JUST GOING UP AND DOWN. (HAYWIRE) A NUMBER OF THINGS ALSO COULD BE THE REASON FOR THIS SUDDEN NOTICES APPEARING IN THE DIC. WE FINALLY HIT WARM WEATHER AND ITS +2 DEGREES OUTSIDE, THE ROADS ARE MELTING CAUSING ALL THESE ERROR CODES TO APPEAR. (MELTING ICE AND SNOW INTERFERING WITH THE COMMUNICATION/ERROR SYSTEM????) MY ASSUMPTION IS THIS BECAUSE THERE IS A CONSTANT LEAK FROM THE TOP OF THE CABIN COMING FROM THE LIGHT/STORAGE AREA IN THE MIDDLE ON WARM DAYS. WHEN THE WEATHER WARMS UP, THE EFFECTS OF SUCH LEAKS COULD CAUSE BUILT-UP ICE/SNOW TO MELT. I'M SURE YOU ARE AWARE THIS TYPE OF LEAKING IS DUE TO OUR EXTREME CLIMATE AND WEATHER PATTERNS IN NUNAVUT. I'M SURE SIMILAR PATTERNS EXIST IN SOUTHERN CANADA. BUT ITS WHEN THE WEATHER WARMED UP AND I'M GUESSING THE WET ROADS CAUSED THIS ISSUE. MY STEERING IS JUST OUT.

DASHBOARD SETTINGS/RADIO/BACKUP CAMERA DISPLAY UNIT GOES BLANK AND RESETS RESULTING IN LOSS OF BACKUP CAMERA AVAILABILITY. USUALLY, ON START UP BUT CONTINUING FOR UP TO 15 MINUTES DURING WHICH SETTINGS AND BACKUP CAMERA ARE UNAVAILABLE. USUALLY WHEN STATIONARY BUT HAS ALSO HAPPENS WHILE BACKING UP. DEALERS HAVE BEEN UNABLE TO FIND A FIX UNDER WARRANTEE. HAS HAPPENED OCCASIONALLY BUT REPEATEDLY SINCE I PURCHASED THE VEHICLE NEW IN MARCH OF 2017.

ON FEBRUARY 21, 2017 WHILE MAKING A RIGHT TURN, MY 2016 CHEVROLET COLORADO 4WD CREW CAB TURNED ITSELF OFF. ON FEBRUARY 22, 2017 RICHARD LUCAS CHEVROLET LOOKED AT THE VEHICLE FOR 5 HOURS AN DROVE THE VEHICLE AROUND SEVERAL TIMES AND WERE "UNABLE TO DUPLICATE CONCERN." I WAS TOLD TO CALL BACK IF THE ISSUE EVER POPPED UP AGAIN, BUT IT WAS BELIEVED TO BE UNLIKELY. MARCH 28, 2017 WHILE DRIVING HOME FROM WORK, MY COLORADO IGNITION MADE A CLICK NOISE, AND THE IGNITION KEY TURNED ITSELF OFF YET AGAIN. THIS TIME AROUND WAS MUCH DIFFERENT THAN THE FIRST OCCURRENCE AS I HAD NO BRAKES TO STOP THE VEHICLE. TO STOP THE VEHICLE I HAD TO SHIFT INTO PARK WHICH I WAS ABLE TO DO. VEHICLE WILL BE RETURNING TO THE RICHARD LUCAS AUTO CENTER TO BE REEVALUATED. ON THE FIRST OCCURRENCE THE VEHICLE WAS IN MOTION ON A COUNTY ROAD WHILE COMPLETING A TURN AND THE SECOND TIME IT HAPPENED WHILE GOING STRAIGHT ON A RESIDENTIAL STREET.

WHEN TRYING TO ACCELERATE FROM A LOW SPEED, MAYBE 20 MPH OR LESS, THE TRANSMISSION OFTEN DOES NOT DELIVER ANY POWER TO THE DRIVE WHEELS (THE MOTOR REVS UP BUT THE VEHICLE DOES NOT ACCELERATE). ALSO, WHEN CLIMBING A HILL AT NORMAL ROAD SPEEDS THE TRANSMISSION OFTEN DOES NOT DOWN SHIFT, TO THE POINT WHERE THE MOTOR ALMOST STALLS, AND THE FEW TIMES THAT IT DOES DOWN SHIFT THERE IS AN EXPLOSIVE INCREASE IN ENGINE RPMS RESULTING IN AN ALMOST UNCONTROLLABLE BURST OF VEHICLE SPEED. CHEVROLET SAYS THIS IS THE WAY IT'S DESIGNED TO WORK. IF IT IS, IT'S THE FIRST VEHICLE I'VE SEEN, OR EVEN HEARD ABOUT, THAT DOES THESE DANGEROUS THINGS.

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. WHILE THE VEHICLE WAS IN A PARKING LOT, THE HORN FAILED TO RESPOND WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 17,000. THE VIN WAS NOT AVAILABLE. UPDATED 06/02/17*LJ THE CONSUMER STATED THE DEALERSHIP WAS NOTIFIED ABOUT THE HORN FAILURE PRIOR TO THE ACCIDENT. UPDATED 09/07/2017*JS

2016 CHEVROLET COLORADO. CONSUMER WRITES IN REGARDS TO VEHICLE BACK-UP CAMERA REMAINS ON FOR ABOUT 10 SECONDS AFTER CHANGING GEARS FROM REVERSE. *SMD

LOW TO MODERATE SPEED GEAR SHIFT HESITATION, TRANSMISSION NOT SMOOTHLY SHIFTING,. FEELS LIKE A BAD MISS. ELECTRONICS AND TRANSMISSION/ENGINE NOT IN SYNCH OR SYNCHING. HESITATION, LACK OF RESPONSIVENESS CAN BE SEVER AT TIMES. REBOOT OF ECM HELPED, BUT ISSUE HAS RETURNED WORSE THAN EVER. THIS HAS BEEN A PROBLEM SINCE DAY ONE OF OWNERSHIP. HILL DECENT CONTROL ACTIVATES AT AL SPEEDS INCLUDING HIGH END HIWAY SPEEDS. 40, 50, 60, 70+ MPH ENGAGEMENT - TAP THE BRAKE AND IT ACTIVES. ENGINE RPM'S GO THROUGH THE ROOF. DISABLING THE CONTROL WIT THE BUTTON DOES NOT DEACTIVATE. DEALERSHIP HAS NOT AND DOES NOT OFFER ANY SOLUTION. SEVER LOSS OF CONTROL OF VEHICLE COULD OCCUR IN INCLEMENT WEATHER OR OTHER CONDITIONS. ALSO, FAST SLOW DOWN WITH NO WARNING TO OTHER DRIVERS IN THE VICINITY. ENGINE RPM'S AS HIGH AS 5K IN MY TRUCK IN MOUNTAINOUS PENNSYLVANIA DECEMBER 2016.

I LIVE IN ILLINOIS I BOUGHT A 2016 CHEVY COLORADO. I DID NOT KNOW AT THE TIME THIS TRUCK DID NOT HEATED MIRRORS.LAST YEAR I WAS DRIVING ON THE HIGHWAY IN FREEZING RAIN I HAD TO PULL OVER TO CLEAN THE MIRRORS., I THOUGHT ALL VEHICLE'S CAME WITH HEATED MIRRORS.ALL MANUFACTURE'S SHOULD BE MADE TO PUT HEATED MIRRORS ON ALL VEHICLES.FOR SAFTY!

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SUDDENLY HESITATED WHEN ATTEMPTING TO ACCELERATE. THE VEHICLE WAS TAKEN TO THE DEALER (FERMAN CHEVROLET OF TARBON SPRINGS) ON SEVERAL OCCASIONS, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 100. UPDATED 08/03/07*LJ *TR

VEHICLE HAS 40K MILES. BEGAN DISPLAYING STABILITRAK PROBKEM AT 30K MILES ALONG WITH WARNING THAT STEERING ASSIST IS DIMINISHED. THIS SEEMS TO BE THE SAME PROBLEM WITH THEIR 2015 MODELS.

AT APPROX. 3500 MILES STARTED EXPERIENCING SHIFTING ISSUES. WHEN SLOWING DOWN TRANSMISSION WANTED TO STAY IN 5TH OR 6TH GEAR. ATTEMPTS TO ACCELERATE CAUSED THE TRUCK TO BOG DOWN UNTIL IT SHIFTED TO A LOWER GEAR TO ACCELERATE AGAIN. WHEN IN CRUISE CONTROL PROBLEM WAS REALLY BAD. WOULD LOOSE AS MUCH AS 5-8 MPH BEFORE A LOWER GEAR WAS FOUND TO MAINTAIN SPEED IN HILLY CONDITIONS. I TOOK VEHICLE IN FOR ITS FIRST SERVICE AT APPROX. 6000 MILES AND HAD DEALER CHECK TRANSMISSION. THEY REMAPPED SHIFT POINTS TO SPEC SOFTWARE. THIS WAS A TEMPORARY FIX. ISSUE IS SLOWLY RETURNING. I HAVE WATCHED ON CONTROL PANEL AT TRANSMISSION OIL TEMP ( TRUCK HAS TRAILER TOWING PACKAGE ETC. THIS IS A CLUSTER FEATURE AVAILABLE.) SEEMS TO SHIFT PROPERLY UNTIL OIL REACHES 100 DEGREES PLUS THEN ISSUE ARRIVES. DEALER RELAYED THERE HAD ONLY BEEN A TECH SERVICE BULLETIN HAS BEEN TO RESET MAP/SHIFT POINTS. RECENTLY PULLED MY BOAT WITH THIS TRUCK AND TRANSMISSION SHIFTED FINE. REALLY WOULD LIKE THIS ISSUE FIXED BECAUSE OTHER THEN THIS PROBLEM REALLY LIKE THE TRUCK.

VEHICLE HAS ERRATIC DOWNSHIFTING AND UPSHIFTING OF THE AUTOMATIC TRANSMISSION CAUSES ABRUPT CHANGES IN ACCELERATION AND DECELERATION THAT SETS UP SEQUENCES THAT FORCE THE DRIVER TO CONTINUALLY PRESS DOWN ON, OR LET UP, ON THE BREAK AND OR ACCELERATOR TO ATTEMPT TO BLEND IN WITH STOP-AND-GO TRAFFIC. ONLY GETTING 15-16.5 MPG CITY DRIVING.

I STARTED MY COLORADO TO HEAD HOME, THE WEATHER WAS CLEAR AND COOL. THE "DRIVER INFORMATION CENTER" IN THE INSTRUMENT CLUSTER FLASHED THAT THE AIRBAG, ANTI-THEFT SYSTEM, AND THE TRACTION CONTROL SYSTEM (TCS)/STABILITRAK WERE INOPERABLE. THE AIRBAG, TCS, AND ONE OTHER LIGHTS WERE ILLUMINATED. I TURNED THE VEHICLE OFF. WAITED A FEW SECONDS AND TURNED IT BACK ON. THE SAME THING HAPPENED AGAIN. I CLEARED THE WARNING MESSAGES AND STARTED TO DRIVE TO TAKE IT IN AND GET IT LOOKED AT BY A CERTIFIED CHEVROLET MECHANIC. I LEFT THE PARKING LOT AND AFTER ENTERING THE NEARBY STREET I NOTICED THAT THE DRIVER INFORMATION CENTER WAS NOT DISPLAYING ANY VEHICLE INFORMATION (SHOWING ZEROS OR BLANKS FOR ALL DIAGNOSTIC INFORMATION INCLUDING MILEAGE, FUEL, OIL PRESSURE, SPEED ETC). ALSO, THE NEEDLES FOR THE SPEEDOMETER, TACHOMETER, FUEL GAUGE, AND ENGINE COOLANT TEMPERATURE GAUGE WERE LIFELESS AND READING ZEROS. ONLY THE ODOMETER AND "INFOTAINMENT" SYSTEM WERE WORKING CORRECTLY. I ESTIMATED MY SPEED TO BE ABOVE 30 MPH AT THIS POINT. I IMMEDIATELY PULLED OFF THE ROAD, PUT THE VEHICLE IN PARK AND TURNED IT OFF. I WAITED A FEW MINUTES AND SCANNED THE WIRING UNDER THE HOOD AND STEERING WHEEL BUT COULD NOT IDENTIFY ANY ISSUES. WHEN I STARTED THE VEHICLE AGAIN, ALL THE ISSUES WERE GONE AS IF NOTHING HAPPENED. SEEMED KINDA LIKE RESTARTING A COMPUTER TO CLEAR SOFTWARE ISSUES. NOT SURE WHAT COULD'VE CAUSED IT. MY VEHICLE IS A 2016 CHEVROLET COLORADO Z71 WITH 27,000 MILES ON IT. IT WAS PURCHASED OCTOBER 2015. [XXX] PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

DEFROSTER DOES NOT ENGAGE UNTIL ENGINE IS REVED TO 1,800 R.P.M. DEALER MECHANIC SAYS IT WAS ENGINEERED THAT WAY.

TRANSMISSION HAS A "STUTTER" TO IT. UPSHIFTS HAVE A 'STUTTER" OR LAG TO THEM AT LOW RPM. VERY DANGEROUS DRIVING AROUND TOWN WHEN YOU HAVE STOP AND GO TRAFFIC. DOWNSHIFTS AUTOMATICALLY GOING DOWN A STEEP GRADE ,THE DOWNSHIFT IS SO BAD IT WANTS TO THROW YOU THROUGH THE WINDSHIELD.HAVE HAD TRUCK TO DEALERSHIP AT LEAST 3 X. TRUCK IS DANGEROUS TO DRIVE IN TRAFFIC AS THIS TRANSMISSION IS NOT WORKING PROPERLY. HAVE CONTACTED GM IN DEC. OF 2017 BUT GOT NO REPLY (IMAGINE THAT). TRUCK HAS ABOUT 18,500 MILES ON IT BOUGHT IN DEC. OF 2016. HIGHWAY DRIVING IS FINE, DRIVING AROUND TOWN IS TERRIBLE AS I SAID TRANSMISSION "BUCKS" OR "STUTTERS". FOR THE TIME BEING TRUCK WILL SIT AND WILL NOT BE DRIVEN EXCEPT TO THE DEALER.

THIS VEHICLE'S ERRATIC DOWNSHIFTING AND UPSHIFTING OF THE AUTOMATIC TRANSMISSION CAUSES ABRUPT CHANGES IN ACCELERATION AND DECELERATION THAT SETS UP SEQUENCES THAT FORCE THE DRIVER TO CONTINUALLY PRESS DOWN ON, OR LET UP, ON THE BREAK AND OR ACCELERATOR TO ATTEMPT TO BLEND IN WITH STOP-AND-GO TRAFFIC. IN VERY HEAVY TRAFFIC, PRESENT WHEN ENTERING OR LEAVING LARGE CITIES, THE ONSET AND CONTINUANCE OF THIS VEHICLE'S PERFORMANCE WORSENS RESULTING IN DRIVER FATIGUE AND EXTREME STRESS, BROUGHT ON BY THE EVER PRESENT NECESSITY TO BE EXTRA WATCHFUL AND TO MANEUVER TO AVOID HITTING THE VEHICLE IN FRONT, OR BEING REAR-ENDED. WHEN DRIVING THROUGH MOUNTAINOUS TERRAIN AT TODAY'S INTERSTATE SPEEDS, THERE IS RECURRING "BUMPING" THAT SETS UP WHEN ASCENDING LONG GRADES. IT CREATES THE FEELING THAT EITHER THE TRANSMISSION IS ATTEMPTING TO DOWNSHIFT BUT THEN CHANGES ITS MIND, OR THE ENGINE'S RPM ARE ABOUT TO INCREASE BUT DON'T. THIS ADDS TO FEAR OF IMMINENT FAILURE AND BEING LEFT STRANDED. THIS BEHAVIOR WAS PRESENT FROM THE VERY FIRST TIME THE VEHICLE WAS DRIVEN. IT'S GETTING WORSE.THIS DRIVER BELIEVES THE UNSAFE OPERATING PERFORMANCE OF THIS VEHICLE AS DESCRIBED ABOVE, IS EXACERBATED BY THE COMBINATION OF THE SMALL, 4 CYLINDER ENGINE COUPLED TO THE 6 SPEED TRANSMISSION, THAT REQUIRES THE ENGINE TO RAPIDLY DOWNSHIFT OR UPSHIFT TO PROVIDE THE NEEDED PERFORMANCE REQUIRED IN TODAY'S DRIVING ENVIRONMENTS. FURTHER, IT IS EVIDENT THE SOFTWARE CONTROLLING THE TRANSMISSION'S OPERATING BEHAVIOR WAS NEITHER FULLY DEVELOPED NOR TESTED THROUGHOUT ITS ANTICIPATED FULL OPERATING RANGE AND AS SUCH CREATES A VEHICLE THAT IS DANGEROUS TO OPERATE ON PUBLIC ROADS ATTEMPTS TO HAVE THESE ISSUES ADDRESSED WITH THE DEALER RESULTED IN BEING TOLD..." NOTHING CAN BE DONE...THE PROBLEMS YOU ARE ENCOUNTERING ARE BEING ARE BEING EXPERIENCED BY MANY CUSTOMERS. CHEVROLET IS NOT PROVIDING ANY SOLUTIONS". *TR

SINCE PURCHASE OF VEHICLE, IT HAD A BUCKING AT SPEED OF 25-40 MPH, THIS WAS VERY NOTICEABLE IN CITY DRIVING, THIS ISSUE WAS COUPLE WITH UNCONTROLLED SURGES IN THE ENGINE. THE VEHICLE WAS PURCHASE OCT 28 OR 30, 2016. I TURNED IN THE VEHICLE FOR SERVICE ON DEC 19, 2016, DEALER SERVICE REP CONFIRM THERE WAS AN ISSUE AND KEEP THE TRUCK FOR REPAIRS. VEHICLE WAS IN THE SERVICE DEPARTMENT FOR OVER 40 CONSECUTIVE DAYS TO FIX ISSUE, DEALERSHIP TECHS, AS WELL AS GM FIELD REPS HAVE LOOKED AT THE VEHICLE AND HAVE TRIED TO FIX IT TO NO AVAIL. ON FEB 8, THE GM REP SAID THERE IS NOTHING WRONG WITH THE VEHICLE AND THE ISSUE WAS A SOFTWARE PROBLEM WITH THIS SPECIFIC TYPE VEHICLE AND THAT THE SOFTWARE THIS VEHICLE HAS IS A NEW SOFTWARE. WHEN I ASKED IF THIS ISSUE IS BEING WORKED BY THE SOFTWARE ENGINEERS FOR SOLUTION THE REP SAID HE HAS NO IDEA AND THAT I SHOULD TAKE THE VEHICLE BACK. THIS ISSUE IS A SAFETY PROBLEM ESPECIALLY WHEN SUDDENLY SURGES WITHOUT CONTROL, PARTICULARLY WHILE DRIVING IN A CITY CENTER A DRIVER CAN CAUSE AN ACCIDENT OR POTENTIALLY HIT A PERSON WHILE LOOSING CONTROL. GM COSTUMER ASSISTANT WAS CONTACTED, BUT THERE WAS NOT HELP AND GM REFUSES TO LET ME KNOW WHEN THE FIXES FOR THIS ISSUE WILL BE OUT. THEREFORE I HAVE REFUSE TO TAKE POSSESSION OF VEHICLE UNTIL IF FIXED CORRECTLY!! THIS ISSUE WILL AFFECT ALL 2016 AND UP COLORADO WITH DURAMAX ENGINE AND NEW SOFTWARE VERSION INSTALLED ON THEM.

POWER STEERING STOP WORKING WHILE DRIVING ON CITY STREET, SERVICE POWER STEERING MESSAGE APPEARED, VERY HARD TO TURN IS VERY DANGEROUS TO DRIVE. CAME BACK TO NORMAL 5 MIN LATER. *TR

THE TRUCK WHEN SLOWING DOWN TO AROUND 20MPH AND ACCELERATING SEEMS TO LAG OR FOR LACK OF A BETTER DESCRIPTION SEEMS TO BE "UNABLE" TO FIND THE CORRECT GEAR. SOMETIMES IT ACTS AS IF THE ENGINE HAS A "MISS". I TOOK IT TO THE DEALER AND WAS TOLD THIS IS "NORMAL OPERATION". WHEN YOU GOOGLE THIS COMPLAINT THERE IS PAGE AFTER PAGE OF OWNERS HAVING THE SAME PROBLEMS WITH 2015 AND 2016. IT SEEMS TO ME THIS IS A PROGRAMMING ISSUE WITH THE TRANSMISSION. IT SEEMS TO HAVE TROUBLE FINDING THE CORRECT GEAR AND WILL SOMETIMES JERK OR DOWNSHIFT TOO LOW. IT HAPPENS AT ANY TIME THE VEHICLE SLOWS DOWN TO AROUND 20 AND ACCELERATES. IT ALSO HAPPENS AT TIMES WHEN AT A FULL STOP AND TAKING OFF IN A NORMAL MANNER.

IN MOTION, WHEN DRIVING SPEED LIMIT AND THEN YOU LET OFF ACCELERATOR TO SLOW DOWN AND THEN YOU PRESS GAS AGAIN IT HESITATES AND DOES NOT WANT TO ACCELERATE. I TOOK TO DEALERSHIP AND THEY SAID THEY FIXED BY PROGRAMMING SOMETHING IN COMPUTER AND IT RAN FINE FOR 3 DAYS AND STARTED DOING SAME THING AGAIN. AND ALSO, WHEN YOU ACCELERATE AND IT WILL NOT RESPOND YOU GIVE IT A LOT OF GAS AND IT MAKES RPMS GO TO LIKE 5000, BUT THE RPM DO NOT MATCH THE SPEED, ITS VERY STRANGE. I SEE OTHER COMPLAINTS ABOUT THE SAME THING ON FORUMS. *TR

THE AUTO SENSOR FOR THE HEAD LIGHTS/DASH LIGHTS DOESN'T SEEM SENSITIVE ENOUGH AS ON CLOUDY DAYS IT STAYS IN NIGHT TIME MODE AND I CANT SEE MY DASH.

DEFROSTER SYSTEM IS INADEQUATE TO CLEAR WINDSHIELD AND SIDE WINDOWS IN OUTSIDE TEMPERATURES BELOW 20 DEG. F. DRIVING IS UNSAFE BECAUSE VISIBILITY IS REDUCED TO A 20 IN. ZONE FORWARD ONLY. SIDE VISION IS COMPLETELY BLOCKED. THE CHEVROLET DEALERSHIP SERVICE DEPARTMENT IS UNABLE TO FIX THE DEFROSTER, AND INFORMS ME THAT EVEN BRAND NEW CHEVROLET COLORADOS ON THE SALES LOT HAVE THE SAME PROBLEM. THE PROBLEM EXISTS WHEN THE TRUCK IS STATIONARY AND JUST AS BADLY WHEN IT IS MOVING DOWN THE HIGHWAY. *TR

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. ON SEVERAL OCCASIONS, THE HORN REQUIRED APPROXIMATELY 20 POUNDS OF PRESSURE TO ACTIVATE. IN AN EMERGENCY SITUATION, THE CONTACT WAS UNABLE TO ACTIVATE THE HORN QUICKLY. THE VEHICLE WAS TAKEN TO CONCORD CHEVROLET (LOCATED AT 1330 CONCORD AVE, CONCORD, CA 94520, (925) 682-6400) WHERE IT WAS DETERMINED THAT THE FAILURE MAY HAVE BEEN CAUSED BY A DESIGN FLAW AND COULD NOT BE REPAIRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 1,000.

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, A LOUD POPPING NOISE CAME FROM THE ENGINE AREA BEFORE THE SPEED SUDDENLY DECREASED TO 40 MPH. DURING THE FAILURE, THE STEERING ASSIST, STABILITRAK, FOUR WHEEL DRIVE AND TRAILER BRAKING SYSTEM WARNING LIGHTS ILLUMINATED. THE FAILURE HAD OCCURRED ON MULTIPLE OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE FAILURE WAS UNABLE TO BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 5,700. UPDATED 02/03/17*LJ

VEHICLE HAS BUILT IN FEATURE OF HILL ASSIST THAT IS OVERRIDING DRIVER. DECIDES TO STOP OR SPEED UP ON HILLS AT WILL AND LAGS AND WON'T REGISTER WHAT THE DRIVER IS DOING FOR QUITE SOME TIME. HILLS ARE VERY DANGEROUS WITH THIS VEHICLE AND GM REFUSES TO ADDRESS THE ISSUE AND DEBUG THE SOFTWARE TO FIX IT. THERE ARE HUNDREDS OF COMPLAINTS AND STILL NOTHING. IT'S HAS CREATED AN ISSUE TO WHERE I COULDN'T STOP ON MULTIPLE OCCASIONS, AND LUCKILY I WAS ABLE TO AVOID AND VEHICLES AND PULL OFF THE ROAD AFTER PLACING THE VEHICLE IN NEUTRAL. THE ONLY WAY TO OVERRIDE THE FEATURE IS WHEN YOU ARE IN CRUISE CONTROL. I HAVE HAD TO SHUT THE VEHICLE OFF TO GETS THE ENGINE TO STOP REVVING FORWARD AND HAVE TAKEN IT TO DEALER MULTIPLE TIMES. IT IS NOT SAFE FOR ME OR ANYONE NEAR THE TRUCK.

TRANSMISSION DOWN SHIFT SLOW TO RESPOND. FEELS LIKE IT IS OUT OF GEAR, OR LIKE A ENGINE HESITATION, STEEPING DOWN ON ACCELERATOR HARD MAKES IT SHIFT BUT THE SHIFT IS HARD. CONCERNED ABOUT THIS HAPPENING ON ICE CAUSING A POSSIBLE SPIN OUT.

NOTICED IMMEDIATELY AFTER PURCHASE WITH 18 MILES. NOTICED AT SLOWER SPEEDS UNDER 45 MPH THE TRUCK WOULD UP-SHIFT TO A HIGHER GEAR WHEN LETTING OFF THE ACCELERATOR. UPON DEPRESSING THE ACCELERATOR AGAIN THE TRUCK WOULD HESITATE, JERK,PING, OR JUST PLAIN NOT ACCELERATE UNTIL EXCESSIVE PRESSURE WAS PLACED ON THE ACCELERATOR. AT THIS POINT IT WOULD DOWN-SHIFT HARD A COUPLE OF GEARS AND CAUSE UNSAFE ACCELERATION IN HIGH TRAFFIC SCENARIOS.

TL-CONTACT OWNS A 2016 CHEVY COLORADO... CONTACT STATED THAT HOOD CAME OPEN WHILE DRIVING GOING 5MPH PULLING OUT OF PARKING LOT.. VEHICLE SHUT OFF FIVE TIMES ON FIVE DIFFERENT DAYS. VEHICLE SHUTS OFF GOING FROM A COMPLETE STOP AFTER PRESSING ON GAS PEDAL . VEHICLE SHUT OFF TURNING ONTO MAIN HIGHWAY AND WOULD NOT START BACK UP. HOOD LATCH DOES NOT STAY SHUT. VEHICLE WAS TOWED TO DEALERSHIP AND HOOD LATCH WAS FIXED. VEHICLE WAS AT DEALERSHIP AGAIN A FEW DAYS AGO AND DEALERSHIP STATED NO RECALLS ON VEHICLE. DEALERSHIP ALSO STATED VEHICLE WAS NEVER IN SHOP FOR SHUT OFF REASON. CONTACT ADVISED TO CONTACT CHEVY AT 800-222-1020

TRUCK SITS UNEVEN FROM SIDE TO SIDE . 1" DIFFERENCE AT REAR WHEEL WELLS WHEN SITTING ON A LEVEL SURFACE WITH NO LOAD IN THE BED AND A 1/2 " DIFFERENCE IN THE FRONT SIDE TO SIDE . THE REAR OVERLOAD SPRING LEAF WITH RUBBER BUMPER TOUCHES UPPER ADJACENT SPRING LEAF WITH NO LOAD IN THE BED ON THE DRIVER SIDE . NOT SURE IF THIS COULD BE A SAFETY CONCERN IF THERE IS A LOAD PLACED IN THE BED CAUSING ISSUES IN HOW THE TRUCK HANDLES OR COULD BE CAUSING PREMATURE TIRE WEAR OR OTHER ISSUES WITH OTHER SUSPENSION PARTS .I HAVE BEEN INFORMED THAT THIS IS A KNOWN ISSUE WITH OTHER COLORADO TRUCKS BY THE DEALERSHIP I PURCHASED THE FROM . THIS TRUCK CAME OFF OF THE DEALERSHIP LOT WITH THIS PROBLEM AND GM TECH. ASSIST. IS AWARE . AFTER ALMOST 3 MONTHS NOTHING HAS BEEN DONE .

HEATING SYSTEM DOES NOT WORK, NO DEFOG OR DE FROST AVAILABLE WHICH CAN RESULT IN LOSS OF FORWARD VISIBILITY, RECALL HAS BEEN ISSUED, VEHICLE HAS BEEN IN FOR CORRECTION, WAS STATED AS CORRECTED, WAS NOT, HEATING SYSTEM DOES NOT WORK, REPURCHASE OF THE VEHICLE HAS BEEN REQUESTED SINCE THE HEATING SYSTEM DOES NOT WORK, CANNOT BE CORRECTED, IS A SERIOUS SAFETY ISSUE

TRANSMISSION DOES NOT DOWNSHIFT PROPERLY UNDER ANY TYPE OF ACCELERATION (SLOW OR SUDDEN) ESPECIALLY BETWEEN 20 MPH AND 40 MPH IN NORMAL STREET TRAFFIC AND ON THE HIGHWAY. IT ALSO HUNT FOR GEARS ESPECIALLY BETWEEN GEARS 4 THROUGH 6. IT HESITATES FOR APPROXIMATELY 2 TO 3 SECONDS, FINDS A GEAR, HESITATES AGAIN, AND THEN DROPS TO AN EVEN LOWER GEAR AND OVER ACCELERATES. WHAT I HAVE OBSERVED IS THAT THE VEHICLE IS TOO EAGER TO UPSHIFT AND SOMETIMES GOES INTO 5TH OR 6TH GEAR AND DROPS THE ENGINE BELOW 1000 RPM. IT STAYS IN THAT GEAR WHEN SLOWING DOWN AND WHEN ACCELERATED IT STAYS IN THE HIGH GEAR ON BOGS DOWN AND ON TWO OCCASIONS STALLED. THIS IS DANGEROUS ESPECIALLY IN HIGHWAY TRAFFIC AND IS ESPECIALLY DANGEROUS WHEN ACCELERATING TO PASS OR ACCELERATING ON AN HIGHWAY ONRAMP TO MERGE WITH TRAFFIC. I HAVE TAKE THE TRUCK TO DEALER AT AROUND 2000 MILES. WAS TOLD THAT THEY COULDN'T FIND ANY PROBLEMS AND THEY "RESET" THE TRANSMISSION. IT RAN FINE FOR ONE DAY AND BEGAN THE PROBLEMS AGAIN. I HAVE OPERATED THE TRUCK NOW TO 6000 MILES TO SEE IF THE TRANSMISSION CAN "LEARN" ITS WAY OUT OF THIS AND IT HAS NOT. I AM GOING TO DEALER AGAIN AND IF THEY TELL ME AGAIN THAT THERE IS NO PROBLEM, I AM GOING TO FORCE THE SERVICE MANAGER TO DRIVE WITH ME FOR A DAY TO EXPERIENCE THE PROBLEM.

ENGINE REVS HIGH COMING TO A STOP. REQUIRED BOTH FEET PRESSED HARD ON THE BAKES TO EMERGENCY STOP. SPEED CONTROL QUITS WORKING THEN SERVICE-STABILITY CONTROL COMES ON, CAR STARTS TO HANDLE ACKWARDLY, PULLS TO LEFT THEN. CUT ENGINE OFF AND IT RESETS, BUT THE CRUISE CONTROL STOPS WORKING AND THEN THAT SERVICE STABILITY CONTROL COMES BACK ON.IF I DON'T PUT ON THE CRUISE CONTROL, I DON'T GET THAT STABILITY CONTROL MESSAGE SO FAR. BRAKING PROBLEM HAPPENS WHEN COMES TO A STOP. CRUISE CONTROL HAPPENS AT HIGHWAY SPEEDS BUT SOMETIMES GOING 45 MPH.

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. THE CONTACT STATED WHILE DRIVING 75 MPH, THE VEHICLE DECELERATED INDEPENDENTLY WITH THE CHECK ENGINE WARNING LIGHT ILLUMINATED. ADDITIONALLY, REGENERATION IN PROGRESS MESSAGE WAS DISPLAYED ON THE INSTRUMENT PANEL. THE CONTACT DROVE 20 MPH TO HIS DESTINATION. THE VEHICLE WAS TAKEN TO RON WESTPHAL CHEVROLET (1425 OGDEN AVE, AURORA, IL 60503; (630) 598-1029), WHERE IT WAS DIAGNOSED WITH NEEDING THE DIESEL PLUG FILTER TO BE CLEANED. THE VEHICLE HAD BEEN REPAIRED HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER WHERE THE DIESEL PLUG FILTER WAS CLEANED FOR A SECOND TIME AND RESTARTED THE SOFTWARE OF THE GENERAL COMPUTER SYSTEM. THE MANUFACTURER HAD BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS 13,565.

"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. THIS TRUCK WAS PURCHASED NEW AND HAS 1200 MILES ON IT. THIS CONDITION HAS BEEN PRESENT SINCE THE TRUCK WAS PURCHASED AND THE SEVERITY VARIES WITH TRUCK SPEED AND ROAD INCLINATION. I REPORTED THE SITUATION TO THE DEALER AND THEY ATTEMPTED A FIX (HAD THE TRUCK FOR THREE DAYS) THAT SUPPOSEDLY INVOLVED A "NEW DOWNLOAD" FROM CHEVROLET, BUT IT DIDN'T CHANGE A THING. DEALER KNOWS IT DIDN'T FIX ANYTHING AND SAYS CHEVROLET MAY HAVE A "RECALL UPDATE", BUT READING ALL THE OTHER SIMILAR COMPLAINTS, I'M SUSPICIOUS. IN THE 1 MONTH I HAVE HAD THE TRUCK, I HAVE ALMOST BEEN HIT TWICE BY APPROACHING TRAFFIC BECAUSE OF HESITANT ACCELERATION. THIS IS A DANGEROUS PROBLEM AND CHEVROLET NEED TO FIX IT IMMEDIATELY. I

ON NUMEROUS OCCASIONS WHILE ENTERING/EXITING VEHICLE MY KNEE LIGHTLY BRUSHES THE 4 WHEEL DRIVE ENGAGE SWITCH LOCATED ON THE DASHBOARD. THIS ACTIVATES THE 4 WHEEL DRIVE ON THE VEHICLE. THIS IS HAPPENING WITHOUT MY KNOWLEDGE. SINCE THERE IS NO OBVIOUS INDICATOR ON THE DASH THE THE VEHICLE IS IN 4 WHEEL DRIVE, IF I DO NOT NOTICE THE BRIEF "ENGAGING 4 WHEEL DRIVE MESSAGE" THERE IS NO WAY OF KNOWING THAT IT IS IN 4 WHEEL DRIVE UNTIL THE VEHICLE STARTS "HOPPING" ON DRY PAVEMENT WHILE TURNING. SHOULD THIS HAPPEN AT HIGHWAY SPEED ON A CURVE THERE IS THE STRONG RISK ON A ROLLOVER. I HAVE FOUND MYSELF HAVING TO REGULARLY CHECK THE KNOB IN ORDER TO DETERMINE IF THE 4 WHEEL DRIVE IS INADVERTENTLY ENGAGED BY THIS LIGHT BRUSHING OF THE KNOB.

I LIVE IN A RURAL AREA WITH MODERATE HILLS AND MANY WINDING ROADS AND TREE OBSCURED CORNERS. WHILE DRIVING AT A MODERATE SPEED (30-40 MPH), I EXPERIENCE PROBLEMS WITH THE VEHICLE'S ABILITY TO DOWNSHIFT FROM OVERDRIVE TO ADDRESS THE INCREASING INCLINE. THE VEHICLE WILL, DESPITE NORMAL INCREASE IN FUEL PEDAL PRESSURE, LOSE RPM'S FROM APPROXIMATELY 2,000 TO 1,000. AS IT APPROACHES 1,000 RPM, THE VEHICLE BEGINS TO "STUTTER" AND "LURCH" AS THE ENGINE TRIES TO COPE WITH THE HIGHER GEAR. THERE ARE TWO "FIXES" FOR THIS; PUSHING THE GAS PEDAL DOWN FIRMLY, WHICH CAUSES THE VEHICLE TO RADICALLY DOWN SHIFT AND "LEAP" FORWARD, OR TO DROP THE TRANSMISSION LEVER TO "MANUAL" AND MANUALLY CHANGE GEARS (WITHOUT THE "LEAP" SEEN IN THE FIRST METHOD). THE END RESULT OF THE NON-MANUAL APPROACH IS TO CAUSE THE VEHICLE TO ACCELERATE RADICALLY IN AN ENVIRONMENT OF OBSCURED CORNERS AND UPHILL DRIVING. I BELIEVE THIS IS A DANGEROUS SAFETY PROBLEM AS THE AREA IS SWARMING WITH DEER, BICYCLISTS, PEDESTRIANS, ETC. I HAVE ALSO HAD "STUTTERING" INCIDENTS WHEN ACCELERATING FROM LOW SPEED, TO ENTER TRAFFIC, INTERSTATE, ETC., ALTHOUGH THESE HAVE BEEN INTERMITTENT IN NATURE. I HAVE NOTICED THAT THE VEHICLE WILL ALSO RADICALLY DOWNSHIFT GOING DOWNHILL WITHOUT WARNING AND SEEMS TO TAKE A LONG TIME TO UP SHIFT ONCE IT IS ON LEVEL GROUND - AGAIN AN INTERMITTENT ACTION. FORTUNATELY NO ONE HAS BEEN "TAILGATING" ME WHEN THIS OCCURS (A COMMON FAILING OF DRIVERS IN THIS AREA). I HAVE HAD THE VEHICLE TO THE DEALER TWICE FOR THE FAILURE TO DOWNSHIFT FOR A HILL AND THEY TELL ME CHEVROLET DOES NOT RECOGNIZE A PROBLEM WITH THE TRANSMISSION, SHIFTING, ETC. A SIDE NOTE: THIS PROBLEM DOES NOT EXIST IN CRUISE CONTROL, BUT USE OF CRUISE CONTROL ON THESE BACK ROADS WOULD NOT BE ADVISABLE.

2,400 MILES AND THIS VEHICLE HAS BEEN BACK TO THE DEALER FOUR TIMES FOR "CHUGGING AND SHUTTERING" IN HEAVY TRAFFIC. DRIVING THOUGH AN INTERSECTION WITH HEAVY TRAFFIC IT WILL NOT KEEP UP WITH TRAFFIC BUT TENDS TO BOG DOWN ALMOST GETTING REAR ENDED FROM BEHIND. IF YOU TRY TO SMOOTHLY ACCELERATE IT WILL RAPIDLY DOWNSHIFT AND JUMP FORWARD ALMOST REAR ENDING ANY VEHICLE IN FRONT. VERY UNSAFE TO DRIVE. TRYING TO DRIVE WITH THE FLOW OF TRAFFIC AT 35-40 MPH THE TRUCK SHUTTERS AS IF THE SPARK PLUGS ARE WORN OUT. ALSO TRYING TO ACCELERATE INTO ON COMING TRAFFIC IT WILL SOMETIMES CHUG TO WHERE YOU WONDER IF IT'S GOING MAKE MAKE THE MERGE. VERY FRUSTRATING TO DRIVE FOR A BRAND NEW TRUCK, THE DEALER REPLACED THE TORQUE CONVERTER AT 500 MILES, THEN HAS PREFORMED SERVICE BULLETIN #PIP5342B THREE TIMES WITH ABSOLUTELY NO IMPROVEMENT. GM STATES IN THE BULLETIN "NOTE: PREFORMING THIS CALIBRATION UPDATE MAY NOT TOTALLY ADDRESS THE SHUDDER OR CHUGGING CONCERNS" HOW CAN NEW VEHICLES CONTINUE TO BE SOLD WITH THIS KNOWN PROBLEM? NOT ONLY IS IT FRUSTRATING TRYING TO DRIVE SMOOTHLY, BUT IT IS ALSO A SAFETY CONCERN. DUE TO THE POOR PERFORMANCE THE MILEAGE IS ABOUT 13 MPG IN CITY TRAFFIC, NOT EVEN CLOSE TO THE MILEAGE RATING OF 17 MPG.

TL* THE CONTACT OWNS A 2016 CHEVROLET COLORADO. THE CONTACT STATED THAT THE STEERING WHEEL LOCKED MORE THAN TWICE. THE DEALER WAS NOTIFIED EACH TIME, BUT WAS UNABLE TO PROVIDE A SOLUTION TO PREVENT THE FAILURE. THE CONTACT EXPERIENCED THE FAILURE AGAIN AND WAS ABLE TO RECEIVE ROADSIDE ASSISTANCE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND PROVIDED NO SOLUTION. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 2,500.

CHEVY 2016 COLORADO Z71 V6 WITH A 6 SPEED AUTOMATIC: THE TRANSMISSION DOES NOT SHIFT UNDER LIGHT ACCELERATION OR WHEN UNDER LOAD GOING UP A HILL. THE TRUCK HESITATES SEEMS TO MISS AND DOESN'T KNOW WHAT TO DO TO GET IT SO ACCELERATE! IT ALSO HAS THIS ISSUE WHEN LIFTING MY FOOT ON THE GAS WHEN ROLLING THROUGH A CORNER AND THEN HITTING THE ACCELERATOR. THEN I HAVE TO PUSH THE ACCELERATOR HARD TO MAKE THE TRANSMISSION UP SHIFT 2 GEARS TO MAKE THE TRUCK ACCELERATE! THIS IS FRUSTRATING AND DANGEROUS AS IT COULD CAUSE BEING HIT FROM BEHIND WHEN THE TRUCK DOES NOT ACCELERATE AS IT SHOULD. I TOOK MY TRUCK BACK TO THE DEALERSHIP THREE TIMES AND THEY SAID 'THERE ARE NO CODES, THERE SEEMS TO BE NOTHING WRONG THE COMPUTER DOESN'T KNOW WHETHER TO STAY IN THAT GEAR OR UP SHIFT 1 GEAR OR 2. ALL YOU HAVE TO DO IS TO PUSH DOWN HARDER ON THE ACCELERATOR AND LEARN TO DRIVE WITH A SMART TRANSMISSION.' MY REPLY WAS 'I AM NOT PART OF THE VEHICLE SENSOR SYSTEM AND I SHOULD NOT HAVE TO LEARN HOW TO DRIVE TO A POOR SHIFTING SITUATION ESPECIALLY WHEN I AM PAYING THIS MUCH FOR A NEW VEHICLE.' GM SHOULD BE FORCED TO FIX THIS VERY COMMON PROBLEM BEFORE SOMETHING SERIOUS HAPPENS AS A RESULT OF THIS!

WHILE DRIVING THE 2016 COLORADO, THE TRANSMISSION/ENGINE SEEMS TO HAVE TROUBLE SHIFTING AND ACCELERATING AND THE SHIFT PATTERNS ARE ERRATIC IT SEEMS, MAYBE ITS THE FUEL EFFICIENT CRAP THAT SHUTS DOWN CYLINDERS, MAYBE ITS THE TRANS? . EXPERIENCED IT ON HIGHWAYS AND LOWER SPEEDS, STOP AND GO TRAFFIC, TRUCK'S TRANSMISSION CLUNKS, SHIFTS HARD AT RANDOM AND STUTTERS ALLOT . IT'S AGGRIVATING. WHEN TRYING TO PASS, SEEMS TO BE ZERO ACCELERATION FELT WHEN FLOORING IT THEN SUDDENLY KICKS IN (ROUGHLY)..LIKE OH HEY-I NEED TO GO.. I COULD GET IN A WRECK-ENDED BECAUSE OF THIS AND I BETTER NOT TRY TO PASS ANYONE.. I FEEL MY SAFETY COULD BE AT RISK WITH AS MUCH HESITATION THEN SUDDENLY LURCHES AS IT HAS. I SEE QUITE A FEW COMPLAINTS ALREADY CONCERNING THIS AND/OR DESCRIBING JUST ABOUT THE SAME ORDEAL. DAILY - BUT RANDOM - CITY AND HIGHWAY, TURNING, STRAIGHT ETC. BASICALLY ANY SITUATION BUT IDLE.