OBD-II code · generic
U0400
Invalid Data Received
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U0400 mean?
U0400 is defined as “Invalid Data Received”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related 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
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.