Buick Century transmission issues with stalling, check engine light, and erratic shifting behavior on Buick Century

Submitted by blackroseamber94 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Buick Century owners report experiencing transmission issues such as stalling, which may indicate various underlying problems within the transmission system. Additionally, the check engine light illuminating alongside these transmission issues could signal the need for immediate attention to prevent further damage. Erratic shifting behavior, characterized by harsh or delayed shifts, is another concern that may require inspection and repair. It is crucial for owners to address these transmission problems promptly to maintain the reliability of their Buick Century, as regular maintenance and timely repairs can help mitigate these common issues and ensure smooth operation.

4 people reported this problem
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Buick Century vehicles with this problem

Average mileage: 149,333 miles
(117,000 - 180,000)

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