Urgency: High

Power Steering Warning Light

Have this checked promptly. It is not an immediate stop, but do not ignore it for long.

What the Power Steering Warning Light Means

The power steering warning light on a your car means the assist system has a fault. Steering may suddenly become much heavier, especially at low speed and when parking, so it is important to address quickly.

Common Causes

  • Low power steering fluid (hydraulic systems)
  • Electronic power steering module fault
  • Low battery/charging voltage
  • Steering angle sensor fault
  • Failed power steering pump

How to Fix It

  1. On hydraulic systems, check the power steering fluid level
  2. Try switching the engine off and on to reset a temporary fault
  3. Scan for steering system codes
  4. Address the specific fault (fluid, sensor, or module)
  5. Have an electronic system diagnosed if the light returns

Related DTC Codes

CodeMeaning
U0100Lost Communication With ECM/PCM
A control module has lost communication on the CAN bus, which can trigger multiple warning lights.