Used Chevrolet Trailblazer — common problems and service
Common issues, reliability information, and service offers to review before buying this model used.
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Request an offerChevrolet Trailblazer common issues
The documented recurring issue is transmission malfunction and 'Shift to Park' errors, reported especially in 2021 and 2022 model years across powertrain variants. Owners have filed dozens of powertrain complaints, with the source listing powertrain as the top or near-top complaint category in those years. The source does not provide detailed symptoms or consequences, so only the error/malfunction itself is confirmed.