High Severity Issue
This component has been associated with crashes, fires, or deaths.
This Problem Across All Years
TCM failed. Vehicle is at the dealership awaiting new part for over three months now. Continue to get extended ETA on the part, latest communication was maybe November before it ships. Last vehicle dealership had took a year for the replacement TCM Vehicle immediately went into ‘limp mode’ on highway, was very unsafe because could only go 20-25mph. Confirmed by dealer upon them working on pickup it was the TCM. They, as well as we researched, and found stated that this is widespread problem in 2011-2016 year Duramaxes. We were left vehicleless. We tow trailers for our business and fifth wheel camper for personal use. Very detrimental to our livelihood.
TCM failed. Vehicle is at the dealership awaiting new part for over three months now. Continue to get extended ETA on the part, latest communication was maybe November before it ships. Last vehicle dealership had took a year for the replacement TCM Vehicle immediately went into ‘limp mode’ on highway, was very unsafe because could only go 20-25mph. Confirmed by dealer upon them working on pickup it was the TCM. They, as well as we researched, and found stated that this is widespread problem in 2011-2016 year Duramaxes. We were left vehicleless. We tow trailers for our business and fifth wheel camper for personal use. Very detrimental to our livelihood.
Transmission Control Module Failed on the highway while towing and left me and family in a dangerous situation.
Transmission Control Module Failed on the highway while towing and left me and family in a dangerous situation.
I HAVE SEVERAL DTC CODES U029D U029E P0420 P220B ON THREE OCCASIONS. THESE CODE ARE TRIGGERING A LIMITED SPEED AND POSSIBLE POWER REDUCTION. THE DEALER SHIP STATES THAT GMC PROTOCOL IS TO REPLACE ONE SENSOR AT A TIME AND LET THE CUSTOMER GO SO THEY CAN BREAKDOWN AGAIN. THE PART THAT IS FAILING I AM TOLD IS THE DIESEL PARTICULATE FILTER, BUT GMC CAN NOT SUPPLY THE DEALERSHIPS WITH THE HIGH DEMAND. THIS SEEMS LIKE A FAULTY DESIGN THAT MAY WORK DURING THE WARRANTY PERIOD, BUT SHORTY FAILS AFTER. I DID REPORT EXHAUST SMELL IN THE TRUCK WHILE DRIVING . I WAS GIVEN A REPORT AND A LARGE REPAIR BILL ONLY TO BREAKDOWN IN 126 MILES.
I HAVE SEVERAL DTC CODES U029D U029E P0420 P220B ON THREE OCCASIONS. THESE CODE ARE TRIGGERING A LIMITED SPEED AND POSSIBLE POWER REDUCTION. THE DEALER SHIP STATES THAT GMC PROTOCOL IS TO REPLACE ONE SENSOR AT A TIME AND LET THE CUSTOMER GO SO THEY CAN BREAKDOWN AGAIN. THE PART THAT IS FAILING I AM TOLD IS THE DIESEL PARTICULATE FILTER, BUT GMC CAN NOT SUPPLY THE DEALERSHIPS WITH THE HIGH DEMAND. THIS SEEMS LIKE A FAULTY DESIGN THAT MAY WORK DURING THE WARRANTY PERIOD, BUT SHORTY FAILS AFTER. I DID REPORT EXHAUST SMELL IN THE TRUCK WHILE DRIVING . I WAS GIVEN A REPORT AND A LARGE REPAIR BILL ONLY TO BREAKDOWN IN 126 MILES.
THE TCM MALFUNCTIONED. AFTER BEING REPLACED THE VEHICLE STILL DIDN'T PERFORM AS IT DID BEFORE THE REPAIR. I HAVE RESEARCHED THIS ISSUE WITH ALL CHEVROLET TRUCKS FROM VARIOUS YEARS. THERE ARE MULTIPLE BLOGS FROM OWNERS OF THESE TRUCKS THAT SHOW THE EXTENT OF THE ISSUE. I CANNOT AFFORD TO PAY $ 1000.00 TO FIX A PROBLEM THAT GM KNOWS THAT HAS EXISTED FOR YEARS. THIS IS A SERIOUS PROBLEM IF YOU ARE DRIVING AND THE TRUCK LOOSES POWER; ESPECIALLY WHEN YOU'RE GOING DOWN HILL TRAVELING AT A HIGH RATE OF SPEED AND YOUR TRANSMISSION DOESN'T FUNCTION PROPERLY. I HAVE HAD THE TRANSMISSION REPAIRED AND THE ISSUE PERSISTS; IT SEEMS AS THOUGH GM WANTS OWNERS TO PAY OUT OF POCKET. SOME MAY NOT AND THIS COULD LEAD TO UNSAFE TRUCKS BEING ON THE ROAD. THANK YOU.
THE TCM MALFUNCTIONED. AFTER BEING REPLACED THE VEHICLE STILL DIDN'T PERFORM AS IT DID BEFORE THE REPAIR. I HAVE RESEARCHED THIS ISSUE WITH ALL CHEVROLET TRUCKS FROM VARIOUS YEARS. THERE ARE MULTIPLE BLOGS FROM OWNERS OF THESE TRUCKS THAT SHOW THE EXTENT OF THE ISSUE. I CANNOT AFFORD TO PAY $ 1000.00 TO FIX A PROBLEM THAT GM KNOWS THAT HAS EXISTED FOR YEARS. THIS IS A SERIOUS PROBLEM IF YOU ARE DRIVING AND THE TRUCK LOOSES POWER; ESPECIALLY WHEN YOU'RE GOING DOWN HILL TRAVELING AT A HIGH RATE OF SPEED AND YOUR TRANSMISSION DOESN'T FUNCTION PROPERLY. I HAVE HAD THE TRANSMISSION REPAIRED AND THE ISSUE PERSISTS; IT SEEMS AS THOUGH GM WANTS OWNERS TO PAY OUT OF POCKET. SOME MAY NOT AND THIS COULD LEAD TO UNSAFE TRUCKS BEING ON THE ROAD. THANK YOU.
WHILE DRIVING THE VEHICLE THE CHECK ENGINE LIGHT COMES ON, THE STABILITRAK LIGHT COMES ON AND THE VEHICLE SHUTS OFF. WITHIN SECONDS THE ENGINE RESTARTS. THE MOST COMMON OCCURRENCE IS WHEN TRAVELING ON BUMPY ROADS. WHEN THIS HAPPENS AT FREEWAY SPEEDS, THE SAME WILL HAPPEN, AND THE CRUISE CONTROL WILL DISCONNECT, AND CANNOT BE RESET UNTIL AROUND 30 MINUTES. AGAIN, THE ENGINE WILL DIE AND IMMEDIATELY RESTART. THIS IS HAPPENING MUCH MORE FREQUENTLY LATELY. THE VEHICLE HAS APPROXIMATELY 95,000 MILES ON THE ODOMETER.
WHILE DRIVING THE VEHICLE THE CHECK ENGINE LIGHT COMES ON, THE STABILITRAK LIGHT COMES ON AND THE VEHICLE SHUTS OFF. WITHIN SECONDS THE ENGINE RESTARTS. THE MOST COMMON OCCURRENCE IS WHEN TRAVELING ON BUMPY ROADS. WHEN THIS HAPPENS AT FREEWAY SPEEDS, THE SAME WILL HAPPEN, AND THE CRUISE CONTROL WILL DISCONNECT, AND CANNOT BE RESET UNTIL AROUND 30 MINUTES. AGAIN, THE ENGINE WILL DIE AND IMMEDIATELY RESTART. THIS IS HAPPENING MUCH MORE FREQUENTLY LATELY. THE VEHICLE HAS APPROXIMATELY 95,000 MILES ON THE ODOMETER.
ON OCTOBER 21, 2014 THE ENTIRE FUSE PANEL MELTED DOWN AND CAUGHT FIRE. THE TRUCK HAD STOPPED RUNNING. THE HOOD WAS ABLE TO BE RAISED AND THE FIRE WAS PUT OUT WITH FIRE EXTINGUISHER. THE TRUCK WAS TOWED TO THE DEALERSHIP WHERE IT WAS PURCHASED. GM HAS TAKEN NO RESPONSIBILITY IN THE REPAIR OF THIS VEHICLE. MY INSURANCE COMPANY HAS AGREED TO PAY THE REPAIR BILL. THE CLAIM 048186-GB HAS BEEN SENT TO GM FOR REPAYMENT. I STRONGLY FEEL THAT THIS IS A MANUFACTURING DEFECT BY GM. THERE IS ALSO A SAFETY RECALL ISSUED FOR THIS VEHICLE #14515 WHICH I BELIEVE IS DIRECTLY RELATED TO THE INCIDENT THAT HAPPENED TO MY TRUCK. TO THIS DAY THE TRUCK IS STILL AT THE REPAIR SHOP WAITING ON PARTS. *TR
ON OCTOBER 21, 2014 THE ENTIRE FUSE PANEL MELTED DOWN AND CAUGHT FIRE. THE TRUCK HAD STOPPED RUNNING. THE HOOD WAS ABLE TO BE RAISED AND THE FIRE WAS PUT OUT WITH FIRE EXTINGUISHER. THE TRUCK WAS TOWED TO THE DEALERSHIP WHERE IT WAS PURCHASED. GM HAS TAKEN NO RESPONSIBILITY IN THE REPAIR OF THIS VEHICLE. MY INSURANCE COMPANY HAS AGREED TO PAY THE REPAIR BILL. THE CLAIM 048186-GB HAS BEEN SENT TO GM FOR REPAYMENT. I STRONGLY FEEL THAT THIS IS A MANUFACTURING DEFECT BY GM. THERE IS ALSO A SAFETY RECALL ISSUED FOR THIS VEHICLE #14515 WHICH I BELIEVE IS DIRECTLY RELATED TO THE INCIDENT THAT HAPPENED TO MY TRUCK. TO THIS DAY THE TRUCK IS STILL AT THE REPAIR SHOP WAITING ON PARTS. *TR