2019 Buick Enclave transmission problems

Filed Oct 11, 2026 · Electrical, Transmission · KY

alternator failed approximately 2½ years earlier, and the alternator and battery were replaced. another alternator and battery installed the following year. * A pulley bolt broke while I was driving and was replaced. * I subsequently had problems with the serpentine belt squealing and producing a burning-rubber smell, and the belt was replaced. (Or so I thought.) The burning didnt go away, neither did the belt squealing. After the belt installation, the battery light came on. correcting the belt restored charging to approximately 13.9 volts. Despite that, an intermittent squeak or squeal when taking off continued. Next, A static-like sound from the radio with the Dashboard lights becoming extremely bright. And car stopping in the middle of the road. A really horrible burning-rubber smell. I turned the car off and then tried to start it again, and the symptoms then returning to normal. But the battery was running very low voltage. 11-12v. Everything went back to normal the next day. No check engine light had come on. A check-engine light and intermittent codes did appeare and disappear every so often. codes P0113, P00F4, P2229, and P0430 , and an EVAP-line issue at another time. All would cut back off. Then came the final issue. The transmission “banging into gear” or making a hard thunk when engaging.Also transmission-fluid leakage and occasional shuddering. The check-engine light was off during these later symptoms. Through my research, all of these issues were related to a particular transmission issue through the electrical system. The faulty electrical has caused many issues leading to this transmission issue. That have put me and my children in dangerous situations in the middle of the road multiple times.

Filed Aug 9, 2026 · Transmission · SC

The problematic 9 speed transmission failed at 72,000 miles on [XXX]. GM required a flush due to the significant shudder problems in the transmissions. This was performed on this vehicle at 32,000 miles. GM knows the is issues. The car brought to Gerald Jones GM in Graniteville, SC and GM/Buick customer service was contacted 5/22/26 and after. The transmission failed when traveling on busy highway in Aiken, SC on [XXX]. The money spent for these cars with failed transmission design/construction and the safety risk to all traffic must be addressed by the federal safety agency. GM customer is horrific in there determination to cover up this colossal issue and safety risk. No one holds them accountable. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 20, 2026 · Electrical, Steering · TX

2019 Buick Enclave (GM) w/ 29481 miles, consistently serviced and in excellent working order. In city traffic about 45-50MPH, no warning lights until total electrical/power failure - no power, no steering, no electrical/lights. Car is owned by [XXX] mother-in-law ([XXX]). Her daughter ([XXX]) was driving. Had [XXX] been driving, there would have been a wreck. [XXX] was able to coast into a corner gas station/garage. Buy next day mechanic was able to isolate failure to alternator. Since we performed the repair at the closest mechanic, I do not know what GM knows. I see on internet a high volume of alternator failures in Enclaves. It doesn't seem an alternator failure should be so abrupt, without warning and with such dire immediate impact. GM has said they 'may' have been able to help with the cost of the repair if we had had it done at an authorized service center. Frankly, this feels like a trap (and Nissan did exactly this to me 2 years ago - asking me to tow into their service center and then saying 'oops, sorry, no warranty ... ). GM should buy their failed alternator back and study why it failed and why that failure had this impact to the vehicle. The repair was made with a GM part - honestly, not sure if that's good or bad, but there is no excuse for GM to not own their part failure. No one other than the mechanic has inspected the car. He would probably be glad to speak to the federal safety agency. No prior warning lights, messages, symptoms. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 4, 2026 · Transmission · 80,000 miles · FL

The contact owns a 2019 Buick Enclave. The contact stated that while driving at 30 to 40 MPH, the vehicle was shuddering. The vehicle was hard to shift. The TPMS was illuminated. The contact indicated the failure was related to the federal safety agency Campaign Number: 20V668000 (Power Train). The local dealer was contacted, who informed about the diagnostic fees. The contact called another local dealer, Starling Buick GMC Stuart Parts, and Starling Buick GMC Stuart Service, at 2445 SE Federal Hwy, Stuart, FL 34994, but the vehicle was not diagnosed or repaired. The vehicle was taken to a transmission center, which confirmed the failure was due to the torque converter. The manufacturer was contacted, who confirmed there was no recall or warranty coverage. The failure mileage was approximately 80,000.

Filed Jan 5, 2026 · Transmission · IN

The car hesitates when accelerating. It feels like its going to die. Also, the car has shut off randomly with the display saying "not in right conditions to start". The dying has happened a few times.

Filed Oct 30, 2025 · Electrical, Transmission · TX

What component or system failed or malfunctioned, and is it available for inspection? The issue appears to be related to the auto start-stop system and/or an EVAP-related component, as the vehicle will sometimes completely shut off instead of restarting when stopped. The vehicle is available for inspection upon request. How was your safety or the safety of others put at risk? When the engine shuts off, the vehicle loses all power, including steering and brake assist. This has happened at red lights, stop signs, and in school zone traffic. I have to restart the vehicle while stopped in active traffic lanes, which puts me and others at high risk of being hit. I am a single mom with 3 young children. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. A Buick dealership inspected the vehicle earlier this year. They observed the stalling issue but could not identify a single cause. They suggested possible repair attempts, but the issue has continued. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? It has only been inspected by a Buick dealership service department. No other agencies have inspected it. Were there any warning lights, messages, or other symptoms prior to the failure? When did they first appear? No warning lights or messages appeared when it first happened. The problem began before I replaced the battery, and replacing the battery did not resolve the issue. Additional Description: When I come to a stop—at red lights, stop signs, or in traffic—the vehicle’s auto start-stop system activates like normal, but instead of restarting, the engine will completely shut off. I then lose power steering and braking support and must restart the car in the middle of the roadway. It is unpredictable and unsafe. Sometimes it’s instantly but today I sat there for 15 minutes waiting. I took it straight to autozone and everything tested good.

Filed Jul 22, 2025 · Transmission · AZ

This is the third time in less the last couple of months that the air conditioning system on this 2019 Buick Enclave has failed. The vehicle consistently blows only hot air, regardless of whether it is in motion or stationary. The problem does not fluctuate with changes in speed or drive duration. In addition, there is a consistent noise coming from the dashboard area that resembles a hydraulic hinge or actuator.

Filed Apr 14, 2025 · Transmission · IN

The 2019 Buick Enclave was taken in for transmission fluid flush & check. The dealer came back and stated that the torque converter needed replacement. The car was still under mileage warranty but just past the roll-off-line date by a month. There are numerous issues all over the internet related to The Enclave torque converter issues. Even a service bulleting PIP5608J that covers these exact issues. It is a wide spread safety issue. If the transmission fails, what is the outcome at high speeds? It has just over 69,000 miles. Todays transmissions should last 150,000 miles minimum. Unacceptable!

Filed Jan 29, 2025 · Transmission · 60,000 miles · CO

The contact owns a 2019 Buick Enclave. The contact stated that while at a stop light the Auto START/STOP feature malfunctioned. The contact stated that after releasing the brake pedal, the vehicle turned off instead of restarting the engine. The contact stated that several minutes had passed before being able to restart the vehicle. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the federal safety agency Campaign Number: 20V668000 (POWER TRAIN). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 60,000.

Filed Aug 15, 2024 · Transmission · AR

I found where there was a recall on 2019 Buick and mine was not listed. It is doing what I have read about the recall. The transmission is shuttering at low speeds.