garajizOBD-II code · manufacturer-specific
B1863
Ground ECU Circuit Open
- System
- B — Body electronics
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does B1863 mean?
B1863 is defined as “Ground ECU Circuit Open”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Toyota: Knee Airbag Squib Circuit Short to Battery
Related codes
- B1864Battery Power Supply ECU Circuit Failure
- B1865Battery Power Supply ECU Circuit Open
- B1866Battery Power Supply ECU Circuit Short To Battery
- B1867Battery Power Supply ECU Circuit Short To Ground
- B1872Turn Signal / Hazard Power Feed Circuit Short To Battery
- B1873Turn Signal / Hazard Power Feed Circuit Short To Ground
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.