Fuel Injector Control Module Relay Control
A circuit fault on the relay that powers the injector driver module - either control line or contact integrity issue.
Affected components
- Fuel injector control module
- Injector module relay
Common causes
- High likelihood: Relay control or contact fault
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
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.