Air Suspension Exhaust Solenoid Circuit
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Description
Malfunction in the air suspension exhaust valve solenoid that releases air to lower the vehicle.
Symptoms
- Vehicle stuck at raised height
- Cannot lower suspension
- Suspension warning light
- Ride height will not adjust down
Common Causes
- Exhaust solenoid failure
- Solenoid wiring open or short
- Valve mechanically stuck
- Control module driver fault
Diagnostic Steps
- Test solenoid resistance
- Command solenoid with scan tool
- Check wiring for open or short circuits
- Inspect solenoid valve for debris
- Listen for solenoid click when commanded
Repair Notes
Replace exhaust solenoid valve or air suspension valve block.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0315 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code C0315 mean on a 2018-2025 Fiat Cronos?
C0315 stands for "Air Suspension Exhaust Solenoid Circuit". Malfunction in the air suspension exhaust valve solenoid that releases air to lower the vehicle.
What are the symptoms of C0315 on a Fiat Cronos?
Common symptoms of C0315 include: Vehicle stuck at raised height, Cannot lower suspension, Suspension warning light, Ride height will not adjust down.
What causes C0315 on a 2018-2025 Fiat Cronos?
Common causes of C0315 include: Exhaust solenoid failure, Solenoid wiring open or short, Valve mechanically stuck, Control module driver fault.