Fuel Injector Group A Supply Voltage Circuit/Open
The ECU detects an open or missing supply voltage on injector group A. The injectors of this bank cannot be energized; the affected cylinders may not fire and the engine runs rough or stalls.
Affected components
- Fuel injector
- Injector supply relay
- Injector wiring
Common causes
- High likelihood: Blown injector fuse
- Medium likelihood: Faulty injector supply relay
- Medium likelihood: Open in supply wiring
Possible symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
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.