Air Suspension Compressor Overheating
2004-2016 Aston Martin DB9 6.0L V12
Description
The air suspension compressor has exceeded its maximum operating temperature.
Symptoms
- Suspension warning light
- Compressor shuts off
- Vehicle sags after extended operation
- Compressor runs excessively before shutting off
Common Causes
- Air leak causing compressor to run too long
- Compressor worn internally
- Blocked intake filter
- High ambient temperature combined with heavy load
Diagnostic Steps
- Check all air springs and lines for leaks using soapy water
- Inspect compressor intake filter
- Monitor compressor run time
- Check for leak codes at individual air springs
- Test compressor output volume
Repair Notes
Find and repair air leaks first. Replace compressor if worn. Clean or replace intake filter.
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
C0311 on Other Vehicles
Aston Martin DB11
2016-2024 4.0L V8 Twin Turbo
Aston Martin DB11
2016-2024 5.2L V12 Twin Turbo
Aston Martin DB7
1994-2003 3.2L I6 Supercharged
Aston Martin DBS Superleggera
2019-2024 5.2L V12 Twin Turbo
Aston Martin DBX
2020-2024 4.0L V8 Twin Turbo
Aston Martin Vantage
2005-2024 4.7L V8
Aston Martin Vantage
2018-2024 4.0L V8 Twin Turbo
Common Questions
What does code C0311 mean on a 2004-2016 Aston Martin DB9?
C0311 stands for "Air Suspension Compressor Overheating". The air suspension compressor has exceeded its maximum operating temperature.
What are the symptoms of C0311 on a Aston Martin DB9?
Common symptoms of C0311 include: Suspension warning light, Compressor shuts off, Vehicle sags after extended operation, Compressor runs excessively before shutting off.
What causes C0311 on a 2004-2016 Aston Martin DB9?
Common causes of C0311 include: Air leak causing compressor to run too long, Compressor worn internally, Blocked intake filter, High ambient temperature combined with heavy load.