Harsh Shifts in Nissan Altima 2019
The vehicle is experiencing harsh shifts during every gear change, which may indicate a transmission issue such as low fluid, a faulty solenoid, or a control module problem.
Diagnosis Details
Possible Causes
Low or degraded transmission fluid
Faulty shift solenoid or valve body issue
Transmission control module (TCM) malfunction or software glitch
Related OBD-II Codes
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What You Should Do
Check transmission fluid level and condition.
If low, top off with the correct fluid.
If fluid is burnt or contaminated, perform a fluid flush.
Have a professional scan for transmission-related trouble codes and inspect the solenoids and valve body.
A TCM reprogramming 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.
