RE5R05A A5SR1 A5SR2 ETC91-900N Transmission Control Unit FOR Nissan Automatic Car Accessor
Package Includes:
One (1) Tested Transmission Control Unit (TCU/TCM)
OEM/Cross Reference Part Number:
ETC91-900N
Compatible Vehicles
Compatibility is based on the transmission model RE5R05A/A5SR1/A5SR2.
Fit for Nissan Models utilizing RE5R05A/A5SR1/A5SR2 transmissions (Specific model year ranges must be verified against the vehicle's existing component part number ETC91-900N).
Installation Information
De-energize the vehicle's electrical system.
Locate the existing Transmission Control Unit (TCU) within the transmission housing or attached adjacent panel.
Disconnect the electrical connector harness(es) from the existing unit.
Remove the mounting fasteners securing the existing TCU.
Install the replacement TCU and secure it with the appropriate fasteners.
Reconnect all electrical connector harness(es) ensuring a complete seal.
Re-energize the vehicle's electrical system and perform functional verification checks as per the manufacturer's service manual procedures.
Important Notes
- This unit must match the original equipment part number ETC91-900N for correct operation.
- Compatibility confirmation requires cross-referencing the part number with the vehicle's specific transmission variant (RE5R05A A5SR1 A5SR2).
- All electronic components are tested prior to shipment.










🚚 Shipping: Items ship within 1-3 business days.
🔧 Warranty: 1-year warranty included.
🔄 Returns: 30-day return policy.
Images are for reference only.