In the Peugeot 308, the automatic transmission (gearbox) control unit is located in the engine compartment. The exact location may vary depending on the year of manufacture.
General block location:
* On the left side (relative to the driver) of the engine, near the throttle valve.
*Can be attached to the engine compartment wall or engine bracket.
Additional instructions:
* The automatic transmission control unit is usually a rectangular block of silver or black color.
* It should have designations such as “ECU”, “TCM” or “Transmission Control Module”.
*It will have multiple electrical connections.
Note:
* It is recommended that you have your automatic transmission control unit serviced or replaced by a qualified mechanic.
* The location of the automatic transmission control unit may differ slightly in certain models and trim levels of the Peugeot 308.