Page 2 of 3 · complaints 51–100 of 109

2020 Chevrolet Silverado 2500 complaints

Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2020 record →

Power Train
Filed Nov 19, 2024GA

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving 50 MPH, the accelerator pedal was depressed; however, the vehicle failed to respond. No warnings lights were illuminated. The contact pulled over to the side of the roadway, turned off and restarted the vehicle; however, while attempting to shift into drive the vehicle hesitated and failed to respond as needed. The contact stated that the failure persisted. The vehicle was taken to a dealer where it was diagnosed and determined that the transmission had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure but offered no assistance. The failure mileage was unknown.

Power Train
Filed Nov 15, 2024IA

The contact owns a 2020 Chevrolet Silverado 2500. The contact was notified of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

Electrical SystemFire
Filed Sep 27, 2024NM

We just arrived to our out to town destination and exited the vehicle. We drove 80 miles to get there. The truck was running when we noticed white smoke coming from under the hood then immediately large red flames.

Tires
Filed Aug 8, 2024SC

I was traveling at 45 mph. Rear Passenger tire tread separated from tire, broke off and damaged wheel well, front & rear mud flaps, rear corner of bumper and cracked taillight. Tire have under 37,000 miles on them.

Power Train
Filed Aug 1, 202480,000 milesTN

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving at various speeds, the transmission was slipping without warning. The vehicle stalled without warning, causing the contact to restart the vehicle to continue driving. While attempting to accelerate, especially, after the vehicle was idling, the transmission failed to properly change gear, causing the vehicle to accelerate at slower speeds than intended. There were no warning lights illuminated. The vehicle had been taken to the dealer where it was diagnosed that the transmission failed and needed to be replaced. The vehicle had not been repaired due to a low supply of transmissions. The manufacturer was made aware of the failure. The manufacturer referred the contact to the NHTSA Hotline to file a safety complaint. The failure mileage was 80,000.

Structure › Body
Filed Jun 5, 2024WV

Water leaking in around rear window causing moldy smell, puddled water on rear floor, saturated carpet. Believe to be health hazard because my eyes & nose burn when I’m in the vehicle. Have not had any inspection of this problem because the warranty had run out before I discovered. This is a known problem to GM on numerous trucks as I learned after researching. Truck has very low mileage, less than 15000. Very disappointed.

Service Brakes
Filed Apr 3, 2024TN

Rear wheels locked up while driving/accelerating. Happened 5 times, 4 times while towing a camper once without towing. Luckily no harm or damage came to anyone. Traded in at dealership due to safety concerns after no diagnostics found anything “wrong”. It is already listed for sale, but I don’t think It’s been addressed or fixed.

Unknown or Other
Filed Mar 6, 2024WA

Interior of tailgate fills with rainwater when tailgate is down. Electrical components inside the tailgate are affected by the water/moisture including two rear view cameras, components associated of the power tailgate, and the electronic tailgate latch/lock. The rear-view camera has failed. Cameral failure is also affecting the proximity radar system which is working intermittently. The equipment failures have resulted in several near miss incidents. Warnings appear on the dashboard when attempting back up the vehicle. Proximity radar stops working without warning.

Structure › Body
Filed Feb 6, 2024KY

Rear window frame is leaking during rain or heavy dew. Causing saturated headliner, seats and carpet. Mold could develop and become a health factor. My 2 kids always ride in the back seat. This is a known issue for GM and are not taking action to correct this problem. Vehicle started leaking with 25,000 miles.

Power Train
Filed Feb 1, 202467,000 milesIN

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving approximately 55 MPH, there was smoke coming from the rear of the vehicle. The contact stated that the vehicle then started losing motive power. After stopping to inspect the vehicle it was discovered that there was transmission fluid leaking from the rear of the vehicle. The vehicle was towed to the local dealer who diagnosed that the transmission cooling line had failed and needed to be replaced. The vehicle was not yet repaired. The contact stated the Extended Coverage for the failure was issued but the VIN was not included. The failure mileage was 67,000.

Seats
Filed Jan 31, 2024WI

This manual seat does not have an adjustment for up and down. Short people can not adjust to see over the hood when driving. Their solution is to sit on a cushion. This makes the seatbelt fit wrong and you slide around on the seat. This is a safety hazard with no solution. The “kits” you buy then make the seat a risk to disconnect from the truck.

Steering
Filed Jan 24, 202474,000 milesCA

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving at an undisclosed speed, the steering wheel briefly became tight before returning to normal functionality. After the failure, the temperature gauge indicated that the engine was overheating. The contact also stated that the brake pedal required excessive force to slow and bring the vehicle to a complete stop. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the water pump. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 74,000.

Electrical System
Filed Jan 18, 2024OR

I own a 2020 Chevrolet Silverado 2500 HD pick-up, VIN: [XXX] . I use this truck primarily to haul a heavy horse trailer and to tow a travel trailer. Ever since I bought this truck I have had a problem with the trailering application. At times it will start working (especially if it has not been used in a while??), but every time I am actively using it there is an issue: •The app will totally blank out giving me a black screen, and/or •I will get a message that my trailer brakes are disconnected. I will stop, disconnect and reconnect the brakes, turn off the engine and restart, and so on. Nothing helps. I have had my truck in to the dealer (Bend Chevrolet) three times to have this repaired. Every time I get the reply that there is nothing they can do, that Chevrolet says this is a software issue and that they are working on it. See Bulletin [XXX] Trailering App is Non-Functional, published 11/5/2020. Chevrolet has been aware of this problem for over 3 years and has not come up with a solution? This feels like they are ignoring it. I have searched on-line and see that many Chevrolet Silverado owners have the same problem and are getting no assistance in solving it. For years. This is a safety problem. I haul in mountainous terrain and cannot afford to have issues with my trailering system, especially the brakes. I would like to see the NHTSA issue a recall on this problem and demand that Chevrolet fix it. Please contact me if you need additional information. I would really like

Power Train
Filed Jan 18, 202467,000 milesNY

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving at 55 MPH, the tachometer was operating erratically, after which the vehicle lost motive power. The contact was able to pull to the shoulder of the roadway, and after a visual inspection, the contact observed transmission fluid pooling underneath the vehicle. The service electric parking brake warning light was illuminated. The vehicle was towed to the dealer, who determined that the transmission oil cooler line failed at the crimp and that a failure with the electric parking brake had caused abnormal wear and tear to the brake pads and rotors. The vehicle was not repaired. The vehicle was then towed to another dealer, who confirmed the diagnosis, adding that the failure resulted in damage to the transmission, requiring a replacement of the transmission. The vehicle was repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: N212326940, but the VIN was not included. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 67,000.

Electrical System
Filed Jan 10, 2024SC

VEHICLE LOST POWER AS A RESULT OF A BAD SHORTED OUT CONNECTOR ON DIESEL INJECTOR 4 AND CAUSED ENGINE MISFIRES. WHICH RESULTED IN THE VEHICLE BEING UNDER POWERED WHILE DRIVING DOWN THE ROAD

Power Train
Filed Dec 22, 2023MI

The Transmission Oil Cooler line separated at the crimp joint from the rubber hose to metal pipe. This sprayed trans fluid all over my hot exhaust(fire risk) and caused and immediate loss of propulsion as I was accelerating to merge onto the highway. I was lucky enough to have multiple vehicles swerve to avoid hitting me. This defect left me on the side of the expressway.

Service Brakes
Filed Dec 9, 2023MI

I purchased this vehicle brand new from Lunghamer Chevrolet in Pontiac, MI. I park my truck on a hill every day and as of around a week ago the emergency brake system won't disengage properly. I know it has been engaging since, my gas milage has decreased significantly. Then, a warning light came on the dash, so I took it to Wally Edgar Chevrolet in Lake Orion for diagnosis and they told me that the actuators and wiring harness need to be replaced. They said that there seems to be corrosion on the connector to the harness, and the actuators need to be replaced. Since, my warranty is expired they will not cover the repairs and they quoted me $2,125. I only have 48,428 miles on this vehicle! If the emergency brake is engaged, couldn't it completely stop my vehicle without warning? I drive the highway every day! Isn't this a safety concern? I don't go off road, I don't abuse this truck and I keep it clean as much as possible! Yes, I live in Michigan but, GM has been producing vehicles for quite a long time and I cannot believe they can't keep the wiring connector from corroding. I also went online to see if there were others that have experienced this, and I found one owner of the same model that had to fix it twice! [XXX] . I'm sure I could find more complaints but, I stopped there since I am so disappointed. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Structure › Body
Filed Nov 9, 2023CA

Back window leaked. It was a heavy mist all night, not even heavy rain yet, and when we opened the passenger back door in the morning around 7:30 am, we found a pool of water on the back seat and water running down the seat. When I checked the forums, there is an abundance of complaints about the back windows leaking in Chevy trucks for many years now.

Fuel System, Gasoline › Delivery › Fuel Pump
Filed Nov 7, 202315,000 milesKY

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that on several occasions while driving at various speeds, the vehicle started to lose motive power and then stalled. The contact stated that on most occasions, the vehicle was restarted after one attempt. The vehicle was taken to three different dealers on several occasions however, the failure could not be duplicated. The vehicle was then towed to a dealer where it was diagnosed that the Fuel Pump Driver Module needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 15,000.

Electrical System
Filed Sep 11, 202363,763 milesMD

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that the radio volume was decreasing and increasing intermittently. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that there was water leaking through the rear sliding window into the stereo amplifier, which had caused the amplifier to experience an electrical shortage. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 63,763.

Service Brakes
Filed Jul 29, 2023KY

Numerous times since first taking possession of new vehicle trucks electronic emergency braking system has activated while driving all on its own without warning. several times while on slower side roads and several times while at Interstate speeds, twice coming very close to a head on collision and once coming close to being rear ended while towing a car on a trailer by a semitrailer. The last time there was a message on the drivers information center that stated "service parking brake" The truck has been out of service use to several dealers to diagnose the problem to no avail. I've explained to the dealers its like having a blown tire, you can't predict when it will happen. Its a very dangerous situation. Second the goodyear wrangler tires tend to slide on curves in wet weather. This happens whenever the road is wet and you are on a curve. Both these defects have been reported to the manufacturer as well as servicing dealers. Very dangerous truck.

Tires › Tread/Belt
Filed Jul 3, 2023TX

LT275/65R20 July 2022 Driving home low tire signal came on, had bubble in tire, tires only had 22,000 miles. This is first of three complaints on these tires. Other two problems happened this past June. Two more tires with bubbles all tires under 30,000 miles.

Tires › Tread/Belt
Filed Jul 3, 2023TX

LT275/65R20 Goodyear Trailrunner On vacation and started feeling a wobble from the back. Pulled over to see a bubble on the tread and part of wall. Luckily I caught it before it blew apart. Finally found a tire at a dealership in Castroville, tx. Didn’t know they were discontinuing the tires until I got home to have another tire with a bubble which will be on another complaint. On another note my first complaint which is complaint #11530224 I forgot to mention the tire was a wrangler Trailrunner.

Tires › Tread/Belt
Filed Jul 3, 2023TX

LT275/65R20 Wrangler Trailrunner After my second tire having a bubble, I was riding and felt a wobble so I took it to a car care in el campo, instead of getting the tires rotated and balanced. I had yet ANOTHER TIRE with a bubble. Tried to order another tire but come to find out that Good year discontinued this style of tire. I know they did it because of how bad a tire they have. So I had to order a full set of four new tires. So now I have one tire with less than 8000 miles and another with less than 500 miles and I had to pay for four new tires. I think Goodyear should pay for their mistake not write it off and make another tire without any recourse.

Service Brakes
Filed May 5, 2023SC

Brakes are grinding and squeaking. Sometimes does not seem like it will stop. Chevrolet dealership says its a wearable part and nothing they can do. Brakes are not supposed to grind and squeal. Brakes have done this since brand new. Contacted Chevrolet about the service bulletin on the web Bulletin 20-NA-020. They state they can't help me and its not covered. It Cleary has all the descriptions and symptoms of their bulletin. I made a formal complaint 9-9864406840. I just wan to be sure if something happens I am not held accountable for a manufacture that has a known issue but choses not to fix or be responsible for using bad parts.

Service Brakes, Hydraulic
Filed May 2, 202348,000 milesNH

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that the electronic parking brake warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed that the brake shoes within the rear drum needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 48,000.

Tires › Tread/Belt
Filed Mar 14, 2023TX

LT275/65R20 At 36000 miles a back driver side tire had a belt separation. At 41000 miles back passenger side had a belt seperation. These tires came on the truck when I bought it and they are Goodyear Wrangler tires and I think it is a safety issue.

Electrical System
Filed Dec 14, 2022TX

My truck continously displays service trailer brake system error on home screen. I have researched the error and found replacing the switch is a simple fix. However in my case this didn't work. I have tried 2 different switches, 1 being GM brand without success. Not sure what else to do. I tow a bumper pull travel trailer and fear this could cause an accident when my family and I are on a vacation.

Steering
Filed Sep 26, 2022MA

The truck pulls to the right, pulling it off the road. It has 50k miles now and the dealer has aligned it 6 times and it’s showing within specifications, but continues to pull to the right. The dealer can’t find the cause of the problem and GM has no answer but for me to start paying to change parts which may or may not fix it.

Tires › Tread/Belt
Filed Sep 15, 2022FL

Tread separated while driving on the interstate causing extensive damage. Tire did not deflate.

Service Brakes
Filed Sep 15, 2022MI

Brake pad material is causing a glaze over on the rotor and cause a high pitch squeak. Had a reacal on the pads and replaced with a different pair that was supposed to be better. Since this has been done 3 days later started doing same thing again . Now it is causing brakes to stick at low speeds and is becoming a safety issue and concern for me and my family riding in our truck.

Tires
Filed Jun 18, 2022TX

Lt 275/65 r20 Tread separated from casing in one piece. Casing still holds air. Caused damage to truck bed and bumper. Pending response from gm dealership.

Fuel/Propulsion System
Filed Mar 28, 2022PA

My 2020 Silverado HD truck requires a replacement wiring harness and DEF tank and is basically inoperable. This is a known issue for GM and spans multiple model years.GM continued to produce throughout multiple model years knowing that owners may be stranded and unable to use these vehicles because of the defective parts. Hardships for owners would include loss of income and exposure to various dangerous conditions. The DEF tank has a heater system that can get exposed to the DEF fluid because of a poor design and poor manufacturing standards resulting in short circuit. GM will replace the wiring harness and combination tank/heater assembly under warranty. The parts are supposedly on NATIONAL BACK ORDER, yet GM continues to manufacture and ship new 2022 models with the required parts needed for repairs. GM will not provide alternate transportation. Supposedly in excess of ten thousand trucks are affected. Warm climate owners and warm temperatures may affect this issue positively. GM has no policy for a timely response to this issue. Trucks will become unsafe to operate when the electronic controls limit the truck speed to 5 mph or less. An operator may become stranded and exposed to dangerous highway conditions if stranded with this issue.

Fuel/Propulsion System
Filed Mar 27, 2022MA

The DEF heater/tank shorted out. The DEF system has thrown a code 3 times in the little over a year I’ve owned the truck. This final time I was told that the tank needs to be replaced. The truck has now been in the shop for 2 months and there is still no ship date on the replacement tank. The tanks are on a national back order. From what I understand there are about 9,000 people waiting for this DEF tank countrywide. I now have a $60k work truck that I am paying for but cannot use with no reasonable end in sight.

Fuel/Propulsion System
Filed Mar 18, 2022IL

Service DEF message in truck that will soon result in reduced speed. Local and purchasing dealers both stated a new DEF tank is needed. A tank is not available and is on back order.

Vehicle Speed Control
Filed Mar 14, 2022OH

DEF tank heater short causes wiring harness to melt and fault on diesel trucks, enabling limp mode. Limp mode is dangerous when hauling trailers over long distances. Faulty part is on 6 month backorder. No reparations from GM.

Power TrainFire
Filed Feb 11, 202220,000 milesMA

The contact owns a 2020 Chevrolet Silverado 2500 HD. The contact stated that while driving at 50 MPH, a warning alarm engaged and advised that there was an emission system issue and the vehicle needed to be serviced within 160 miles. The transmission warning light illuminated. The contact stated that she parked at some point to run an errand and upon restarting the vehicle, a death issue system alarm engaged indicating that the vehicle needed to be repaired within 90 miles. The vehicle was taken to the local dealer where the failure was diagnosed as a dead issue and one of the pins on the wiring harness had burnt and was starting to melt. The local dealer informed the contact that the death tank and wiring harness needed to be replaced; however, the parts for the repair were not available the vehicle was not drivable. The vehicle was not repaired. The manufacturer was notified of the failure and advised the contact the parts for the repair were not available. The vehicle was not repaired. The failure mileage was approximately 20,000.

Service Brakes
Filed Jan 10, 2022NY

While plowing, my ABS brake light came on along with a warning that the ESC was disabled and a trailer brake system warning.. This appears to have been a recall for 2020 1500's but I have a 2500. It would appear the recall needs to be expanded.

Power TrainCrash
Filed Dec 7, 2021GA

Truck on its own Shift from Park to Drive on its own while at idle. Summary: My 2020 Silverado 2500HD was in the driveway idling in Park. The vehicle was empty and I was checking the garage for screws from a project I had just completed and I wanted to make sure they were all picked up before I parked the truck in the garage so that I did not get a flat tire. After looking for screws and assuring myself everything was cleaned I proceeded into the third bay of our garage and right behind me by an inch the truck proceeded into the garage at a good rate of speed and crashed into the house. I quickly ran through the third bay and to the vehicle as it was still wanting to proceed into the house. I quickly shifted it into Reverse from Drive backed up about 2 to 3 feet and placed the truck back into Park again and placed the emergency brake on and shut the truck off...

Service Brakes
Filed Dec 1, 2021MD

The brake pads which were installed from the factory are known by GM as being defective. This was acknowledged when technical bulletin 20-NA-020 was released. The brake pads were know to contain low scorch friction material which can lead to premature wear. When this was discovered, GM began installing new pads which have a high scorch friction material and feature a new lining shim on the backing plate. GM failed to notify their customers of this problem. GM has done this deliberately since once the vehicle reaches over 7,500 miles, the pads are no longer under warranty. I discovered my vehicle was effected from this due to increasingly hearing a high pitch screeching sound coming from the vehicle. After immediately noticing the issue, I scheduled a service appointment and conducted my own research of this issue. This is when I discovered the technical bulletin. Due to my vehicle having over 7,500 miles, I was advised the cost for replacement is my responsibility. The cost for replacement including parts and labor from Chevrolet is approximately $750-$800. This issue is a direct safety concern and a known problem which GM failed to notify their customers of. GM deliberately withheld this information to shift the cost burden of replacement to customers beyond the 7,500 mile warranty period.

Steering
Filed Jul 8, 202120,000 milesCA

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving 38 mph, he noticed the steering wheel was loose. The contact started to hear an abnormal sound coming from the vehicle. The contact stated while driving over a small bump in the roadway, the vehicle inadvertently steered to the right. The contact took the vehicle to the local dealer however, the mechanic was unable to duplicate the failure. The contact took the vehicle to an independent mechanic, where it was diagnosed with needing the pitman arm and idler arm to be replaced. The contact called the local dealer and made them aware of the repair that was needed on the vehicle. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 20,000.

Service Brakes
Filed May 16, 2021AL

Front brakes are squealing and don’t seem to stop like they should. Loud squeal starting at 5,000 miles and still continuing.

Back Over Prevention
Filed Apr 22, 2021MT

TL* THE CONTACT OWNS A 2020 CHEVROLET SILVERADO 2500. THE CONTACT STATED THAT THE REAR BACK UP CAMERA FAILED TO OPERATE AS NEEDED WHILE DRIVING OVER A BUMP. THERE WAS NO WARNING LIGHT ILLUMINATED. THE CONTACT SPOKE WITH RESSLER CHEVROLET (8474 HUFFINE LN, BOZEMAN, MT 59718) WHERE HE WAS INFORMED THAT THERE WAS NO FIX FOR THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND A CASE WAS FILED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS UNKNOWN.

Power Train
Filed Feb 24, 202184,000 milesVA

TL* THE CONTACT OWNS A 2020 CHEVROLET SILVERADO 2500. THE CONTACT STATED THAT WHILE DRIVING, THE VEHICLE INDEPENDENTLY SHIFTED INTO FOUR WHEEL DRIVE. THE CONTACT STATED THAT THE VEHICLE WAS MANUALLY SHIFTED BACK INTO DRIVE. THE CONTACT STATED THAT THE FAILURE DESTROYED THE FRONT END, THE DIFFERENTIAL, AND AXLE. THE CONTACT WAS CONCERNED THAT THAT THERE WAS A MANUFACTURER'S DESIGN FLAW WITH THE VEHICLE. THE VEHICLE WAS TAKEN TO RADLEY CHEVROLET (3670 JEFFERSON DAVIS HWY, FREDERICKSBURG, VA 22408) HOWEVER, THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS LATER TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE FRONT DIFFERENTIAL WAS DAMAGED AND NEEDED TO BE REPLACED. THE TECHNICIAN MENTIONED THAT THE FAILURE WAS DUE TO THE DESIGN FLAW OF THE AUTO MODE FEATURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 8,400.

Fuel/Propulsion System
Filed Feb 22, 202111,500 milesIN

MY VEHICLE IS LESS THAN 1 YEAR OLD WITH ABOUT 11500 MILES. MY SERVICE EXAUST SYSTEM WARNING LIGHT ILLUMINATED AND PROVIDED A WARNING THAT MY SPEED WOULD BE REDUCED IN A SET AMOUNT OF MILES. AFTER ADDING ADDITIONAL DEF FLUID TO DETERMINE IF THAT WAS THE ISSUE MY CAR THE CAR RETURNED AN ERROR OF SERVICE DEF SYSTEM. THIS THEN LOWERED THE AMOUNT OF DRIVING MILEAGE UNTIL MY CAR WOULD BE FORCED TO A REDUCED SPEED. THIS OCCURRED WHILE OPERATING THE VEHICLE AND MAY HAVE RESULTED IN DAMAGE TO MY VEHICLE OR OTHER MOTORIST WHEN TRAVELING ON AN EXPRESSWAY. THE DEALER EXPLAINED THAT THEY HAD OTHER CARS IN FOR THE SAME ISSUE AND IT TOOK OVER A MONTH TO GET THE PARTS IN FOR REPAIR. ADDITIONALLY GM HAS PROVIDED NO GUIDANCE OR WARNING REGARDING THE ISSUE.

Fuel/Propulsion System
Filed Feb 2, 202113,000 milesND

VEHICLE IS A DIESEL HAS ABOUT 13,000 MILES ON IT ONLY. RECEIVED A WARNING ON THE DASH WHILE VEHICLE WAS IN MOTION THAT THE DEF SYSTEM HAS AN ISSUE AND TO SEE THE OWNER MANUAL. SAYS ABOUT 80 MILES UNTIL MAX SPEED WILL ONLY BE 65 MPH. TOOK TO DEALER AND STATED THAT IT IS THE DEF PUMP IN THE TANK. THE PART IS ALMOST IMPOSSIBLE TO GET RIGHT NOW BECAUSE IT HAS BEEN FAULTY ON SO MANY OF THESE VEHICLES AND HAS NEEDED REPLACEMENT. HAVE TO LEAVE VEHICLE AT DEALERSHIP UNTIL THEY CAN GET A PART IN OTHERWISE VEHICLE CANNOT BE DRIVEN.

Service Brakes
Filed Jan 22, 202125,000 milesTX

THE BRAKES HAVE BEEN SQUEALING REALLY LOUD. IT DOES NOT MATTER IF THE TRUCK IS CLEAN OR DIRTY THE BRAKES WILL SQUEAL. THEIR IS A SERVICE BULLETIN OUT TO FIX THIS PROBLEM ON TRUCKS BUILT BEFORE 9/01/2019, BUT SINCE MY TRUCK WAS BUILT ON 9/09/2019 THE PROBLEM SHOULD HAVE BEEN FIXED. THE DEALER DOES NOT WANT TO REPLACE THE BRAKES EVEN THOUGH THEY SQUEAL. THE BRAKES SQUEALING CONTINUE TO BE A PROBLEM AND SHOULD ALSO BE REPLACED UNDER WARRANTY ON TRUCKS BUILT AFTER 9/09/2019.

Steering
Filed Jan 13, 20211,350 milesCO

AT HIGHWAY SPEEDS OF 55-80MPH THE VEHICLE HAS A CONSTANT VIBRATION IN THE STEERING WHEEL. THIS HAS BEEN A PROBLEM SINCE PURCHASED BRAND NEW IN JULY '20. AT 1,350 MILES, IN AUGUST '20, I HAD THE TIRES ROTATED AND BALANCED, NOTHING CHANGED. AT 5,700 MILES, IN JANUARY '21, I HAD THE TIRES ROTATED AND BALANCED AGAIN, NOTHING CHANGED. I FOUND THAT GM HAS A TSB OUT BUT IT IS NOT A RECALL TO FIX THE ISSUE OR REPLACE THE BAD TIRES. SEE GM TSB #19-NA-240.

Steering
Filed Dec 8, 2020200 milesOH

AT SPEEDS ABOVE 58MPH THE STEERING WHEEL VIBRATES TERRIBLY. THE TRUCK HAS BEEN AT THE DEALERSHIP 16 HOURS OUT OF THE LAST 20 DAYS I HAVE OWNED IT. THEY HAVE DONE OVER A DOZEN ALIGNMENTS AND TIRE BALANCES WITHOUT MAKING IT ANY BETTER. I HAVE ASKED FOR TIRE REPLACEMENTS OR OTHER CHANGES TO THINGS THAT WOULD MAKE IT VIBRATE AND THEY SAY NOTHING IS WRONG WITH THE TIRES. SEEMS LIKE THEY ARE STUMPED ON WHAT TO DO OTHER THAN CONTINUING TO BALANCE THE TIRES.

Exterior Lighting
Filed Dec 5, 20206,600 milesMA

I WAS DRIVING IN A SNOW STORM AND THE HEADLIGHTS PACKED IN VERY THICKLY WITH HEAVY WET SLUSHY SNOW AND NO LIGHT WENT THROUGH AND I COULD NOT SEE THE ROAD. THE HEADLIGHT LENS AND THE SURROUNDING TRIM FORM A V-SHAPED TROUGH AROUND THE LIGHT THAT DOESN'T ALLOW THE SNOW TO SLIDE OFF FROM WIND AND BUMPS. THE SHAPE ACTUALLY ENCOURAGED SNOW TO ACCUMULATE AND COVER THE ENTIRE LENS AND THE LED LIGHTS RUN SO COOL THEY DON'T CAUSE ANY SNOW TO MELT. I HAD TO PULL OFF THE ROAD AND CLEAN THE HEADLIGHTS MANUALLY TWICE DURING A 26 MILE TRIP.

Reading these

NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.

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