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NHTSA complaint #11621844

This page summarizes an official U.S. National Highway Traffic Safety Administration owner complaint. Use the verification links below to confirm the record directly with NHTSA.

Vehicle

2021 BUICK ENCLAVE

Manufacturer

General Motors, LLC

Components

FUEL/PROPULSION SYSTEM

Dates

Incident: 10/15/2024
Filed: 10/24/2024

Owner complaint summary

Catalytic converter was defective in October 2022. Had to wait to get part in. Vehicle taken to dealer for repair in December 2022/ Told that the second catalytic converter needed to be repaired. I stated that I was not aware that cars had two catalytic converters. Parts were ordered and replaced. Engine light came back on-again October 15, 2024. Portable CO detector in car was beeping when engine around time engine light came on. Not covered by warranty or insurance. A new car with 55, 000 miles to date should not have these issues.

This is an owner complaint filed with NHTSA (ODI #11621844). It is not automatically an official recall, investigation outcome, or manufacturer admission unless the complaint text itself describes one.
NHTSA datasets & APIsAll complaints for this vehicleRaw NHTSA JSON (ODI #11621844)Back to reports

Official record ID (ODI): 11621844. This page is the human-readable source link used across afterwarranty. The raw JSON link proxies NHTSA's public API for machine verification; prefer this page when reading the complaint.