Error code
OBD2 U0400
OBD2U0400
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Invalid Data Received.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0401Invalid Data Received From ECM/PCM
- U0402Invalid Data Received From Transmission Control Module
- U0403Invalid Data Received From Transfer Case Control Module
- U0404Invalid Data Received From Gear Shift Control Module
- U0405Invalid Data Received From Cruise Control Module
- U0406Invalid Data Received From Fuel Injector Control Module
- U0407Invalid Data Received From Glow Plug Control Module
- U0408Invalid Data Received From Throttle Actuator Control Module
- 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