Harsh Shifts in 2019 Honda Accord
The vehicle experiences harsh or abrupt shifts during every gear change. This indicates a transmission-related issue that may affect drivability and component longevity.
Diagnosis Details
Possible Causes
Low or contaminated automatic transmission fluid (ATF) level or condition
Faulty transmission control module (TCM) or software calibration issue
Worn or sticking shift solenoids within the transmission valve body
Related OBD-II Codes
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What You Should Do
Check the automatic transmission fluid level and condition (color, smell, debris).
If low, top off with Honda DW-1 ATF.
If fluid is burnt or contaminated, perform a drain and fill.
Have a professional scan the TCM for trouble codes and perform a transmission adaptation reset or software update.
If solenoids are suspected, further diagnosis of the valve body may be needed.
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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.
