P0904

DTC P0904, sometimes indicated as P090400 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing gate select position circuit.

The Gate Select Position Circuit monitors the position of the gear selector. If the gear selector is not in the correct position, the DTC will set.
There are a few things that could cause this DTC to set. One common cause is a broken or malfunctioning gear selector. Another common cause is a problem with the wiring or connectors in the Gate Select Position Circuit.

• P0904: Gate Select Position Circuit
• P0904: Transmission gate select position circuit – malfunction
• P0904 00: Transmission gate select position circuit - malfunction