DTC codes / U04xx · Invalid data received from a module / U0465
U0465 is a communication fault where the vehicle's main computer modules receive data from the Power Take-Off (PTO) control module that fails internal validity checks, meaning the messages are present but contain impossible or corrupted values. The PTO module itself may be reporting a fault or the data may be getting scrambled on the network, so the receiving module sets this code to flag that it cannot trust the PTO information.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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