Error code
OBD2 U0423
OBD2U0423
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Invalid Data Received From Instrument Panel Control Module.
Severity
moderateCan drive, but may experience intermittent issues or warning lights.
Summary
U0423 indicates that the car's computer is receiving invalid data from the Instrument Panel Control Module (IPC). This module is responsible for communication between various vehicle systems.
Common Causes
- Faulty IPC module
- Communication issues with other modules
Fixes
FAQ
What does U0423 mean?
U0423 means the car's computer is receiving invalid data from the Instrument Panel Control Module, which can cause communication issues between vehicle systems.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0400Invalid Data Received
- 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