Cylinder 12 Injector B Circuit/Open
The drive circuit of cylinder 12 second injector (B) is open. Modern direct-injection systems sometimes use a port-injection backup; injector B refers to that secondary set.
Affected components
- Fuel injector
Common causes
- High likelihood: Injector winding open
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.