Possible causes of shocks when switching automatic transmission in Nissan:
* Insufficient or dirty automatic transmission fluid level: Too low or dirty automatic transmission fluid level can lead to incorrect operation of the automatic transmission and cause shocks.
* Clogged or faulty automatic transmission filter: A clogged filter restricts the circulation of automatic transmission fluid, which leads to insufficient pressure and shocks.
* Faulty automatic transmission solenoids: The solenoids control the flow of automatic transmission fluid and can become faulty over time. This may result in gear slipping or jolting.
* Worn clutches or plates: Over time, clutch clutches and plates can wear out, causing slipping or jerking when shifting.
* Faulty valve body: The valve body directs the automatic transmission fluid to the appropriate solenoids and clutch discs. A faulty valve body can result in incorrect fluid pressure, resulting in jerking.
* Faulty sensors: Sensors provide information about speed, engine speed and transmission load. A faulty sensor can cause the automatic transmission to malfunction, causing jolts.
* Electronics problems: The electronic transmission control module (TCM) controls the operation of the automatic transmission. Electronic problems can interfere with the TCM, which can cause jerking.
Recommended actions:
* Check the level and condition of the automatic transmission fluid. If necessary, drain, rinse and replace the fluid and filter.
* Diagnose the automatic transmission system using an OBD II scanner. This can help identify faulty solenoids, sensors, or electronic problems.
* Check for worn clutches or clutch discs. It may be necessary to remove and disassemble the automatic transmission for diagnosis and repair.
*Update or reprogram the TCM. This may resolve software related issues.