C0231moderate severityChassis
Power Steering Fluid Pressure Low
on 2002 Acura RL 3.5L V6 · AWD
What this code means
The power steering fluid pressure is below the minimum required for adequate assist.
Symptoms
- Heavy steering especially at low speeds
- Whining noise from power steering pump
- Steering assist reduced
- Fluid foaming visible in reservoir
Common causes
- Low power steering fluid
- Power steering pump wear
- Drive belt slipping
- Power steering hose restriction
- Air in power steering system
Diagnostic steps
- Check fluid level and condition
- Inspect drive belt tension and condition
- Listen for pump cavitation noise
- Check all hoses for leaks or restrictions
- Bleed air from power steering system
Repair notes
Repair leaks and fill fluid. Replace pump if worn. Bleed system of air.
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