Automatic transmission control unit for Nissan Pathfinder
The Transmission Control Module (TCM) is an electronic module that controls the automatic transmission in Nissan Pathfinder vehicles.
Functions of the automatic transmission control unit
* Monitoring of engine and vehicle parameters (engine speed, vehicle speed, accelerator pedal position)
* Determining the optimal gear shift moment
* Controlling shift solenoids to change between gears
*Protects the transmission from damage by preventing overheating or excessive load
Location of the automatic transmission control unit
* Depending on the Pathfinder model, the automatic transmission control unit may be located:
* On the automatic transmission housing
*In the engine compartment next to the gearbox
*Under the dashboard
Types of automatic transmission control units
Over several generations of Nissan Pathfinder, various types of automatic transmission control units have been installed:
* RE4R01A (2005-2012)
* RE5R05A (2013-2020)
*VF6E* (2021-present)
Signs of a faulty automatic transmission control unit
*Hard gear shifting
* Slippage or delay when shifting gears
* Excessive engine speed
* No gear shift
* Malfunction indicator on the dashboard
Replacing the automatic transmission control unit
Replacing the automatic transmission control unit is usually required in case of a malfunction or software update. This is a complex procedure that should be performed by a qualified mechanic.
Third-party automatic transmission control units
In addition to original automatic transmission control units from Nissan, third-party units from auto parts manufacturers are also available. These units are often more affordable, but their performance and reliability may vary.
Cost of automatic transmission control unit
The cost of a new automatic transmission control unit for Nissan Pathfinder may vary depending on the model and year of manufacture of the vehicle. Typically the price ranges from $500 to $1,200.