Air Cleaner Inlet Control Circuit / Open
The controller cannot drive the air cleaner inlet control valve (warm-air or snorkel switching for cold-start emissions). Stuck in default position so cold-start fueling is sub-optimal.
Affected components
- Air cleaner inlet valve
- Solenoid
- Wiring harness
Common causes
- High likelihood: Open coil in inlet valve solenoid
- Medium likelihood: Broken control wire
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.