Engine Cooling System problems of the 2019 GMC Sierra 1500

Three problems related to engine cooling system have been reported for the 2019 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 GMC Sierra 1500 based on all problems reported for the 2019 Sierra 1500.

1 Engine Cooling System problem

Failure Date: 04/21/2026

The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving approximately 65-70 mph, the engine seized and made an abnormal sound, nearly causing a semi-truck to jackknife and crash into the vehicle. There was no warning light illuminated. The contact was left stranded in the west desert of utah, where a wildfire had started, and the contact did not have phone service. Additionally, the vehicle stopped on a two-lane road with heavy semi-truck traffic, leaving the contact frightened and terrified for her safety. The contact jumped out of the vehicle. Migrants who were tending the sheep nearby assisted the contact in pushing the vehicle to the side of the road. The vehicle was towed to the dealer, where it was diagnosed with engine failure, and the dealer determined that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA action number: ea25007 (engine, engine and engine cooling). The manufacturer was notified of the failure, and the contact was misinformed that the model year was not included in the NHTSA investigation. The contact informed the manufacturer that she no longer felt safe driving the vehicle, regardless of the engine replacement, and the contact advised the manufacturer to guarantee that the failure would not recur after the engine replacement. The manufacturer then referred the contact to the NHTSA hotline for assistance in investigating the safety issue. The vehicle was not repaired. The failure mileage was 122,187.

2 Engine Cooling System problem

Failure Date: 07/06/2025

The contact owns 2019 GMC Sierra 1500. The contact stated while reversing the vehicle attempting to depress the brake pedal the vehicle stalled. , the contact shifted the vehicle into park, turned the vehicle off, and turned the vehicle back on the vehicle failed to respond as intended. An independent mechanic was contacted. The vehicle was towed to an independent mechanic where he replaced the starter in the vehicle, and he informed the contact the engine needed to be replaced. The vehicle was then towed to the dealer where it was diagnosed that the engine failed and needed to be replaced. The vehicle was not repaired. The contact was relating the failure NHTSA campaign number:25v274000 (engine and engine cooling); however, the VIN was not included in the recall. The manufacturer was notified of the failure and offered no assistance. The failure mileage was 84,000.

3 Engine Cooling System problem

Failure Date: 05/02/2025

The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed and slowing down to stop, the vehicle suddenly shut off and failed to restart. The vehicle was eventually towed to the residence. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was offered. The local dealer was not yet contacted. The contact was informed of the NHTSA action number: pe25001 (engine, engine and engine cooling). The contact stated that the vehicle had experienced the failure listed in the NHTSA action number. The failure mileage was 115,000.




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