NHTSA Complaint #11619062 — 2021 BUICK ENCORE GX

ENGINE issue reported to NHTSA

Check any vehicle history by VIN - Free vehicle history report

Complaint Details

ODI Number	11619062
Vehicle	2021 BUICK ENCORE GX
Component	ENGINE
Date of Incident	September 9, 2024
Date Filed	October 10, 2024
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	AL

Consumer Description

The check engine light will come on with engine power reduced, code reads turbo under boost, The car will stay in limp mode and make it difficult to get out of traffic there is no warning before the car completely loses power and goes into limp mode!!

Related Complaints for the 2021 BUICK ENCORE GX

Other ENGINE Complaints

#11708921 — January 5, 2026 — Trying to understand why a recall was not done on an engine issue on this car and instead GMC chose to send out 2 let...

#11693594 — October 15, 2025 — Evap leak detection pump failed at 78,871 miles. 2022 models and beyond are covered for this defect.

#11693596 — October 15, 2025 — Evap leak detection pump failed at 78,871 miles. 2022 models and beyond are covered for this defect.

#11681121 — August 16, 2025 — This is an ongoing issue that I have brought to the NHTSA's attention before, which resulted in a special coverage pr...

#11647875 — March 12, 2025 — Vehicle overheating randomly due to faulty Coolant Control Valve. Vehicle goes into reduced power mode and also inst...

Recent Complaints for the 2021 BUICK ENCORE GX

#11713934 — ELECTRICAL SYSTEM — January 28, 2026 — The contact owns a 2021 Buick Encore GX. The contact stated that during a routine oil change at the local dealer, the...

#11713934 — POWER TRAIN — January 28, 2026 — The contact owns a 2021 Buick Encore GX. The contact stated that during a routine oil change at the local dealer, the...

#11710497 — ELECTRICAL SYSTEM — January 12, 2026 — When trying to park/shut off, the vehicle gives ‘shift to park’ error message upon shifting to park and won’t shut of...

#11710497 — POWER TRAIN — January 12, 2026 — When trying to park/shut off, the vehicle gives ‘shift to park’ error message upon shifting to park and won’t shut of...

#11708921 — FUEL/PROPULSION SYSTEM — January 5, 2026 — Trying to understand why a recall was not done on an engine issue on this car and instead GMC chose to send out 2 let...