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2020 MAZDA MAZDA3
2.5L Skyactiv-G I4 (186 hp)•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6478Fluid16DTC2264Battery2Maintenance0Recalls2
C0316moderate severityChassis

Air Suspension Inlet Solenoid Circuit

on 2020 Mazda Mazda3 2.5L Skyactiv-G I4 (186 hp) · 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

  1. Test solenoid resistance
  2. Command solenoid operation with scan tool
  3. Check wiring
  4. Verify compressor is building pressure
  5. Inspect valve block for internal leaks

Repair notes

Replace inlet solenoid or valve block assembly.

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