The control module registered the fault condition described as "Invalid data received - throttle actuator control (TAC) module".
TuningBot DTC Database · v4.37.14
U0408 Invalid data received - throttle actuator control (TAC) module
Generic (OBD-II) interpretation in the TuningBot DTC database.
What U0408 means
Related and nearby codes
How to read U0408
Network: communication between control units.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about U0408
What does U0408 mean?
Invalid data received - throttle actuator control (TAC) module. The control module registered the fault condition described as "Invalid data received - throttle actuator control (TAC) module".
Is U0408 generic or manufacturer-specific?
U0408 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0408 at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0408 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
