INFINITI QX80 transmission consistently entering overdrive affecting driving enjoyment on INFINITI QX80

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some INFINITI QX80 owners report experiencing transmission issues, including shuddering and shaking during light acceleration at low RPMs, which negatively impacts driving enjoyment. Many have found that using the correct transmission fluid is crucial to avoid difficulties in shifting, engine overheating, and potential transmission damage. Additionally, some owners emphasize the importance of understanding how to effectively use overdrive during highway driving to enhance fuel efficiency and minimize engine wear. In cases of juddering when driving uphill, some owners have needed to pursue TCM reprogramming to resolve transmission-related problems. If quick fixes do not alleviate these issues, seeking professional help is advisable, as mechanics can accurately diagnose and provide solutions to improve the driving experience.

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