Automatic transmission control module (TCM) Nissan Caravan
Designation: RE4R01A
Location:
* Under the hood, above the engine
Functions:
* Gear shift control
* Control of hydraulic pressure in automatic transmission
* Automatic transmission protection from overheating and overloads
* Transfer information about engine speed, vehicle speed and gear shift position to the engine ECU
Key Features:
* Compact size
* Built-in hydraulic pressure control solenoid
*Integrated electronic control board
* Wiring harness connector
Compatibility:
* Nissan Caravan (E24, E25) 2001-2007 release
*Nissan Urvan (E24, E25) 2001-2007 release
Known Issues:
* Problems with gear shifting
*Hydraulic pressure leaks
* Automatic transmission overheating
Troubleshooting Tips:
* Check transmission fluid level
* Scan the automatic transmission control unit for fault codes
* Check hydraulic pressure control solenoids
* Check wiring and connectors
Note:
* Do not attempt to repair the automatic transmission control unit yourself.
* Replacing an automatic transmission control unit requires special skills and equipment.
* It is recommended to contact an authorized service center for diagnosis and repair.