general problems of the 2019 Chevrolet Silverado 1500 - part 2

The transmission will down shift on the freeway losing power causing a safety hazard, engine rpm's start taching out & will not shift leaving you in traffic trying to avoid a collision.

Reduced engine power message pops up while driving check engine light stays on codes that came up for Cadillac converter and transmission failure.

The 6. 2 eco tech v8 is failing. Chevrolet new car of lowell massachusetts reports that motor needs to be torn down due to component failure. Also transmission is whining and will need replacement transmission shifts hard between gears and lunges forward while down shifting.

1. Engine/transmission 2. While driving and acceleration vehicle stalls/hard shifts. The truck was running just fine one day then the next day upon starting the truck, vehicle warnings for "service" parking brake system and ecs started showing up and the truck started running rough, smoking exhaust, smelling, and the air conditioner went out. All at the time/day. 3. An independent service center provided a diagnosis that stated the "motor was shot" oil was getting passed the rings/seals and entering cylinder 6.

Transmission is shifting and shaking and vibration funny whines when driving and hard shifts makes clunking noises when shifting or down shifting. Engine ticks very loud and loses power.

I have been hearing noise coming from the rear of the engine or front of the transmission. I took it to my local shop and they said it appears to be coming from the transmission and that I should take it to a Chevrolet shop because their is a service bulletin (pip5996a) that describe what I am experiencing. They gave me a copy of the service bulletin and it covers many models and years of the silverado. I called to make an appointment with chevy and they said my silverado is not associated with any recall, so this service bulletin does not apply. I don't understand how it does not apply when my make and year is listed on the service bulletin.

Passenger side lifters have failed, along with camshaft. The induced misfire caused a sudden and potentially unsafe jerking of the vehicle while on the expressway. The vehicle was on cruise control and running at 1,400rpms at the time of the failure. There were zero warning lights or vibrations/noises that could have indicated an imminent failure. Thankfully I was alone on the expressway at the time of the incident as the vehicle started bucking, jerking me out of my lane until I could regain control. Vehicle had 105,500 miles with all engine maintenance up to date prior to incident. Speed limit on this section of us31 is 75mph.

The valve body for the transmission failed. While driving the vehicle transmission would shift violently. This would cause the truck to jerk forward a few times before engaging the next gear. At times it caused a slowed performance and could have caused an accident with another motor vehicle especially when traveling uphill. I brought the truck to a Chevrolet dealership and they confirmed this issue. I also completed online forum and general searches through google which confirm this is an issue especially with the 4 cylinder and v6 engines. The check engine light came on when the issue first occurred. The issue happened a week after my catalytic converter was replaced under warranty in July 2025.

Took it to chevy dealer for oil cooler lines to be replaced I have been in touch with gm since my truck wasn’t under any open recalls to try to get some of the money back for the oil cooler lines since gm has had a big problem with them losing oil.

Vehicle transmission harsh shift and failed to shift gears. Feels as though I’m pushed forward when accelerating. Harsh clunk coming from the transmission. Transmission flush done at the dealer. Was told transmission needed a new valve body, part was on backorder and there were 25 similar trucks ahead and waiting. Several transmission related codes have also come up. 58000 miles.

During acceleration my vehicle had a whinning noise coming from near the transmission. It will buck and then when slowing down to a stop it bucks like being hit in the rear by another vehicle. It also shudders and makes the reduce engine power light come on.

What component or system failed or malfunctioned, and is it available for inspection upon request? the transmission and drivetrain system appear to be defective. The vehicle repeatedly experiences hard shifting, transmission shudder, hesitation during acceleration, delayed engagement when shifting into gear, and erratic gear changes. These problems occur during normal driving and have progressively worsened over time. The vehicle is available for inspection upon request. How was your safety or the safety of others put at risk? the transmission hesitation and delayed acceleration create a serious safety hazard. When pulling into traffic, crossing intersections, or changing lanes, the vehicle does not respond immediately when the accelerator is pressed. The delay leaves the vehicle exposed to oncoming traffic and increases the risk of a collision. The hard shifting and shuddering also cause the vehicle to behave unpredictably, reducing driver confidence and making it unsafe to operate in normal traffic conditions. Has the problem been reproduced or confirmed by a dealer or independent service center? the problem is consistently reproducible during everyday driving. The transmission shudders, hesitates, and shifts harshly on a regular basis. Although the condition is intermittent in severity, it occurs frequently enough to create ongoing safety concerns. At this time, the vehicle has not been inspected by police or insurance representatives. The vehicle remains available for inspection. Were there any warning lamps, messages, or other symptoms of the problem prior to the failure, and when did they first appear? the first symptoms were occasional hard shifts and slight hesitation during acceleration. Over time, the condition worsened, progressing to severe shuddering, delayed acceleration, and increasingly harsh gear changes. No warning lights or diagnostic messages appeared when the symptoms first began, making it difficult to identify the problem before it be.

Was driving on the highway, heard loud bang followed by a violent metal-on-metal slapping or knocking sound, and a sudden loss of engine power. Came to find it was crankshaft/connecting rod issue that is common in these vehicles. Have a picture of the broken rod and am waiting the get it repaired.

What component or system failed or malfunctioned, and is it available for inspection upon request? the ecu/power train failed/ yes the vehicle is available for inspection. The vehicle's check engine light & traction light came on & the dash displayed multiple warning messages including reduced engine power & service ecs. How was your safety or the safety of others put at risk? I was traveling on the interstate at 65 mph in traffic in the far left passing lane. Engine power was reduced & I had to safely navigate the vehicle through traffic & multiple lanes to safely get the vehicle to the shoulder of the interstate & avoid causing any accidents. Has the problem been reproduced or confirmed by a dealer or independent service center? yes, the problem was confirmed by my local Chevrolet dealer. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? it was inspected by my local Chevrolet dealer. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? no there was not. The issue was attributed to a known manufacturing flaw on my vehicle. The wiring harness to the ecu was chaffed caused by rubbing on the frame, ecu bracket and/or a arm which in turn caused the issue. Gm published a repair bulletin on this issue as well as the NHTSA.

See attached document for complaint.

Gm says my VIN was not part of the recalls, the VIN wasn't the problem,it was the transmission!!! letter I sent to gm : transmission failure on 2019 Chevrolet Silverado 1500 lt dear general motors customer assistance, I am writing to formally express my concern regarding the complete failure of the 8l90 transmission in my 2019 Chevrolet Silverado 1500 lt. I have been a loyal Chevrolet customer and have always trusted gm vehicles for their reliability and performance. However, the recent catastrophic failure of my transmission—resulting in both internal and external damage—has left me extremely disappointed and financially burdened. This vehicle, equipped with the 8-speed 8l90 transmission, began exhibiting harsh shifting, delayed acceleration, and shuddering well before the failure. Despite regular maintenance and proper care, the transmission ultimately failed and "blew up" both internally and externally, rendering the vehicle undrivable and in need of complete transmission replacement. Upon further research, I discovered that numerous owners of 2015–2019 gm vehicles with the 8l90 transmission have reported similar issues, and multiple class-action lawsuits have been filed citing systemic defects in this transmission design. Though no recall has been officially issued, the volume of complaints and the existence of internal technical service bulletins (such as TSB 16-na-019) suggest gm is aware of the ongoing problems associated with this transmission. Given these circumstances, I am requesting that general motors stand behind its product and assist with the full cost of replacing the failed transmission. I am prepared to provide documentation including service records, a technician’s report on the failure, and photos of the damage if needed. Please let me know how gm intends to proceed with this request. I would appreciate a prompt and fair resolution to this matter. Sincerely, [xxx] VIN # [xxx] current mileage: 114850 information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 55.

Since I have owned this vehicle I have experienced erratic shifting, primarily when driving in traffic, and when the vehicle is downshifting to 1st or 2nd gear. It has occasionally occurred when traveling on the highway during an upshift, but this is rare. I have also experienced lurching when stopped, or creeping forward in anticipation of a turn. I can occur at any time, and under any type of conditions, hot or cold. It also has a tendency to shift harshly when shifting from park to reverse or from reverse to drive. I have expressed my concerns with my dealer, and it appears they are aware of the problem, and have told me that gm is also aware of the issue, but they dismiss it by way of saying it is normal. I have had the transmission fluid changed at the regular interval, but this has not cured the problem. Finally, gm is well aware of this issue, and is subject to class action lawsuit regarding these transmissions, and other owners have stated that they too have experienced this shifting issue. My concern is that this will eventually lead to a failure of the transmission and the drive components I. E. , drive shaft, pinon gear, differential housing, anything connected to the transmission. If this failure occurs at highway speeds, a possible loss of control and crash could occur.

Started truck lights came on and warnings popped up on 5/13/2025 service esc service trailer brake system engine power reduced abs light started truck lights came on and warnings popped up on 7/10/2025 service esc service trailer brake system engine power reduced abs light.

Oil coolant line detached from the crimp. Gm customer satisfaction program n212326940 is exactly what has happened and gm states it is not associated to my VIN so they can't (won't) do anything about it, even though the bulletin clearly indicates 2019 Silverado 1500 (new model). This occured as I was on the interstate. I pulled over as soon as the warning came up telling me to turn the vehicle off. I had to wait on the side of the interstate for several hours for a tow to a local mechanic shop. The mechanic diagnosed the issue and took photos and described the issue in writing. Prior to the incident there was no vehicle warning light that there was an issue, nor did I receive a letter warning of the issue. This catastrophic failure of the coolant line ejected oil, coating the undercarriage and passenger running board. The program bulletin states: condition: certain 2019 model year Chevrolet Silverado 1500 (new model) and GMC sierra 1500 (new model) vehicles, may have a condition in which the engine oil cooler (eoc) lines may leak and detach from the crimp joints. Exposure to cold temperature may also aggravate this condition. If the eoc lines leak, there may be an oil leak on the ground and if the eoc lines detach while operating the vehicle, there will be an immediate decrease in oil pressure. This will coincide with a warning on the driver information center display (“oil pressure low turn vehicle off”), along with warning chimes. If the customer continues to operate the vehicle, a loss of propulsion is possible. Correction: dealers are to replace the engine oil cooler lines, oil, oil filter and refill the coolant.

Shut down.

Truck rev high without much acceleration clunking noise when accelerating hard shifting shuttering.

While driving at highway speeds truck started to shake. Transmission fell out of overdrive almost causing a collision. I only have 80k mileage.

I was driving on the highway at a speed of around 65 miles an hour and I heard a loud noise and the truck did a hard jerk and slowed down abruptly I then had to struggle to get over to the shoulder as cars around me were moving at high speeds then I found out that it was the lifters that failed and I started doing research on this problem and it seems to be a problem that a lot of people are having with these trucks as well as transmission issues which I was having before this happened.

Vehicle wouldn’t accelerate on the freeway and then shuttered and would not shift in the transmission. Was told by a repair man that the transfer clutch failed and the transmission is failed.

Engine misfires, cam and lifters failed suddenly. While driving.

This has happened twice now, this vehicle has gone through 2 transmissions and still puzzles me. Hard shifts, sudden jerking and stopping. I’m just throwing money away for something that is unreliable. Both done by certified gm dealer.

The contact owns a 2019 Chevrolet Silverado 1500. The contact stated while driving at an undisclosed speed, the vehicle jerked. Additionally, the transmission shifted abnormally rough, and the check engine warning light was intermittently illuminated. The contact stated that the failure could have pulled the vehicle off the road. The vehicle was taken to napoli kia, which was a third-party dealer assigned by the warranty company to be diagnosed. The vehicle was diagnosed with transmission failure. The contact also stated that metal shavings were found in the transmission. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The contact was informed that parts had on back order for over eight months. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 70,000.

What component or system failed or malfunctioned, and is it available for inspection upon request? the 8-speed automatic transmission is experiencing a persistent shudder during normal driving conditions. The problem appears to stem from a failing torque converter and possibly the valve body, as diagnosed by a gm dealership. The dealership also found metal debris in the transmission fluid, indicating internal damage. The vehicle is currently available for inspection upon request. How was your safety or the safety of others put at risk? the transmission shudder causes the vehicle to hesitate and lurch unexpectedly, especially during acceleration or gear shifts at highway speeds. This creates unpredictable vehicle behavior that could result in a loss of control, especially when merging, changing lanes, or driving in heavy traffic. It presents a significant safety concern for both the driver and others on the road. Has the problem been reproduced or confirmed by a dealer or independent service center? yes, the problem has been confirmed by a gm dealership. They recommended replacing the torque converter and valve body due to internal damage and fluid contamination. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? yes, the vehicle has been inspected and diagnosed by a gm-authorized dealership. It has not been inspected by police or insurance representatives. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? no warning lamps or dashboard messages appeared. The issue began with a noticeable shuddering and harsh shifting during normal driving, which gradually worsened. Symptoms include rough gear changes, hesitation, and vibration, most noticeable between 25–55 mph under light acceleration. These symptoms began approximately 2 months ago and have become more frequent.

At the dealership has I type, engine lifter failure, 68000 miles, oil changed every 4000 miles, before oil life was at 50%, no warning, no warning noise, just all of a sudden loud knocking noise, no check engine never came on, had to had it towed.

My transmission keeps shuttering during passing gear around 50-55 mph. It causes my truck to slow down drastically. It's always a knee jerk. I've serviced my transmission around 40 to 50k miles.

Chevy silverado zr2, motor locked up and needs to be replaced.

Transmission shudder and shakes at high speed and low speeds. Getting more noticeable.

I was driving on the hwy at 70mph when the engine had a catastrophic failure. Several warning lights appeared on the dash, loud metal clunking noises, vibration, and sudden slowing down of vehicle. I immediately pulled to side of road, turned truck off and called local dealership. Upon their inspection, they notified me a lifter bearing failed that would cause engine to seize and would require a new engine.

This truck has very low miles (22,900) and has broken down on me 4 different times over several years. It will randomly slam into 2nd gear and I will almost loose control as the rear wheels will almost lock up. Then the vehicle will barely move even at wot. This has caused me to almost be in accidents and is very unsafe. Gm knows there is several issues with this 8 speed transmission and cannot resolve it. I am afraid to be in an accident because this thing is so unreliable in it's operation. Gm needs to be forced to address this issue. There are multiple tsbs on this transmission that claim to be collecting data and investigating the cause of issues dating back to 2020. Time for a repair!.

The first thing that happened was the transmission, driveshaft, and rear end all blew at the same time while I was on the freeway. I had to swerve over and get out of the lane I was in and part of the driveshaft was still sitting in the road and cars were hitting it. There was no lights or anything until it happened. I got out of the passenger side of the vehicle and looked under the truck and there was a flame coming out of the rear end. I was able to extinguish it. It was inspected by delta transmission and they said that the rear end gave out first and damaged the rest. Not even 2 weeks later the second thing that happened was my engine gave out. I was driving on the freeway and the engine stalled out on me and I barely got off an exit before the truck stopped moving. I had to get it towed to a shop where they told me that the 2 rods on cylinders 1 and 7 had given out and that I needed a new engine. Again no warning lights or anything until it happened. This all happened in February of 2025.