Harsh Shifting in 2019 Hyundai Elantra
The vehicle experiences harsh shifts during every gear change, indicating a potential transmission issue that may be related to fluid condition, solenoid function, or electronic control.
Diagnosis Details
Possible Causes
Low or contaminated transmission fluid
Faulty transmission control solenoid or valve body
Engine or transmission control module (TCM) software issue or calibration error
Related OBD-II Codes
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What You Should Do
Check transmission fluid level and condition first.
If low or dirty, perform a fluid flush and refill with the correct Hyundai SP4 or SP4-M spec fluid.
If fluid is fine, have the transmission scanned for diagnostic trouble codes and inspect the solenoids and valve body.
A software update from the dealer may also resolve the issue.
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.