C0316moderate severityChassis
Air Suspension Inlet Solenoid Circuit
on 2020 Kia Forte 2.0L I4 · FWD
What this code means
Malfunction in the air suspension inlet solenoid valve that allows air into the air springs.
Symptoms
- Vehicle stuck at low height
- Cannot raise suspension
- Compressor runs but vehicle stays low
- Suspension warning light
Common causes
- Inlet solenoid failure
- Wiring fault
- Valve block internal failure
- Solenoid stuck closed
Diagnostic steps
- Test solenoid resistance
- Command solenoid operation with scan tool
- Check wiring
- Verify compressor is building pressure
- Inspect valve block for internal leaks
Repair notes
Replace inlet solenoid or valve block assembly.
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