Harsh Shifts in 2019 Honda Civic
The vehicle experiences harsh or abrupt shifts during every gear change, indicating a potential transmission control or mechanical issue.
Diagnosis Details
Possible Causes
Low or contaminated automatic transmission fluid (ATF) causing improper hydraulic pressure.
Faulty transmission control module (TCM) or software needing recalibration or update.
Worn or stuck shift solenoids within the transmission valve body.
Related OBD-II Codes
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What You Should Do
Check transmission fluid level and condition first; top off or replace if low or burnt.
If fluid is fine, have a professional scan for transmission-related diagnostic trouble codes and inspect shift solenoids and TCM.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.