Telematics Control Unit (TCU): Difference between revisions
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== External Links == | |||
* https://mynissanleaf.com/threads/reverse-engineering-telematics-unit.36889/ | |||
Revision as of 10:42, 28 March 2025
Introduction
The Telematics Control Unit (TCU) provides connectivity to the Nissan Leaf. It is a 2G, 3G, 4G or 5G modem, depending on the year and region, with additional functionality.
Location and access
The TCU is located behind the glove box in both LHD and RHD models of all generations. Access is achieved by removing the glove box.
Connections
| Connector Number | Physical Description | Purpose |
|---|---|---|
| M67 | TH40FB-NH (40-pin connector) | Power, Microphone, CANBUS |
| M173 | USCAR30-MD-M (USB) | USB connection to head unit |
| M174 | FAKRA CODE H 4003 (Pink) | GSM antenna |
| M175 | 3FA1ANCSJ-C02W0 (Blue) | GPS antenna |