C0316moderate severityChassis
Air Suspension Inlet Solenoid Circuit
on 2014 Audi A6 3.0L Supercharged V6 · AWD
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.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent