C0330high severityChassis
Adaptive Damper Circuit Front Left
on 2011 Volvo XC90 3.2L I6 · AWD
What this code means
Malfunction in the front left electronically controlled adaptive damper.
Symptoms
- Ride quality degraded
- Suspension warning light
- Handling reduced at front left corner
- Clunking noise from front left
Common causes
- Faulty adaptive damper solenoid
- Damper fluid leak
- Wiring to damper damaged
- Control module driver failure
Diagnostic steps
- Test damper solenoid resistance
- Command damper stiffness change with scan tool
- Inspect damper for fluid leaks
- Check wiring from module to damper
- Listen for damper response when commanded
Repair notes
Replace adaptive damper assembly. These dampers contain internal solenoid valves.
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