C0315moderate severityChassis
Air Suspension Exhaust Solenoid Circuit
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
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.
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