I'm looking for advice on my 2018 Mazda CX-5 (FWD, 129k miles) regarding a concerning 'hard clunk' I feel during gear changes at low RPMs (1,000–1,500 range), particularly in stop-and-go traffic. Additionally, during cold starts in the morning, the car violently jerks/lunges forward the very first time I apply the brakes while moving. The transmission fluid is likely original, as the dealer confirmed they did not change it during their recent service. I'm trying to determine if this is a known TCM software/logic issue (like TSB 05-006/24), a sign of worn transmission mounts, or if I should risk a drain-and-fill on original fluid at this high mileage to resolve the shift shock. Has anyone else with a high-mileage Gen 2 CX-5 dealt with this combination of symptoms, and did a software flash or fluid refresh actually fix it?
Mazda CX-5 2018 Transmission
- Thread starter Faheem_23
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