C0310
Air Suspension Compressor Circuit
1999-2000 BMW 323i E46 2.5L I6
High SeverityChassisGeneric (SAE)
Description
Malfunction in the air suspension compressor motor circuit.
Symptoms
- Suspension warning light
- Vehicle sitting low
- Compressor not running
- Ride height not adjusting
Common Causes
- Compressor motor failure
- Compressor relay fault
- Wiring damage
- Compressor thermal cutout tripped
- Blown fuse
Diagnostic Steps
- Check compressor relay and fuse
- Test compressor motor by applying direct power
- Listen for compressor operation
- Check for compressor overheating
- Inspect wiring and connector
Repair Notes
Allow compressor to cool if overheated. Replace compressor if motor has failed. Check fuse and relay.
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
C0310 on Other Vehicles
Common Questions
What does code C0310 mean on a 1999-2000 BMW 323i E46?
C0310 stands for "Air Suspension Compressor Circuit". Malfunction in the air suspension compressor motor circuit.
What are the symptoms of C0310 on a BMW 323i E46?
Common symptoms of C0310 include: Suspension warning light, Vehicle sitting low, Compressor not running, Ride height not adjusting.
What causes C0310 on a 1999-2000 BMW 323i E46?
Common causes of C0310 include: Compressor motor failure, Compressor relay fault, Wiring damage, Compressor thermal cutout tripped, Blown fuse.