garajizOBD-II code · manufacturer-specific
B278A
Short to GND in Immobiliser System Power Source Circuit
- System
- B — Body electronics
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does B278A mean?
B278A is defined as “Short to GND in Immobiliser System Power Source Circuit”.
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: Short to GND in Immobiliser System Power Source Circuit
Related codes
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.