Error code
OBD2 U0408
OBD2U0408
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Invalid Data Received From Throttle Actuator Control Module.
Severity
moderateCan be driven, but performance may suffer and safety could be compromised.
Summary
U0408 indicates that invalid data is being received from the throttle actuator control module, which controls the throttle position in the engine.
Common Causes
- Faulty throttle actuator control (TAC) module
- Communication issues between the TAC module and other vehicle modules
Fixes
- Replace the throttle actuator control module.
FAQ
What does U0408 mean?
U0408 means that invalid data is being received from the throttle actuator control module, which can affect engine performance and safety.
How do I fix U0408?
The most common solution is to replace the faulty throttle actuator control module. However, diagnosing the exact cause may require professional assistance.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- U0405Invalid Data Received From Cruise Control Module
- U0406Invalid Data Received From Fuel Injector Control Module
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- U0409Invalid Data Received From Alternative Fuel Control Module
- U0410Invalid Data Received From Fuel Pump Control Module
- U0411Invalid Data Received From Drive Motor Control Module
- U0412Invalid Data Received From Battery Energy Control Module A