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

1. Test solenoid resistance
2. Command solenoid with scan tool
3. Check wiring for open or short circuits
4. Inspect solenoid valve for debris
5. Listen for solenoid click when commanded

Repair notes

Replace exhaust solenoid valve or air suspension valve block.

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