C0003High Severity

Chassis / ABS System Fault (Node 0003)

This diagnostic trouble code indicates a malfunction in the associated component circuit.

Common Symptoms of C0003

  • ABS Warning Light
  • Traction Control disabled

What Causes the C0003 Code?

  • Wheel speed sensor failure
  • ABS module fault

How serious is the C0003 code?

Because this code has a high severity level, it is highly recommended to address it promptly. Driving with an active C0003 fault can lead to secondary component failures and decreased fuel economy.

How do you definitively diagnose and fix C0003?

To accurately diagnose the C0003 fault code, you need the exact OEM wiring diagram and diagnostic test procedures for your specific vehicle. Create an Auto Fix Data account to instantly pull the factory diagrams for this fault.

Fix C0003 Now

Access the OEM repair manual and interactive wiring diagram to diagnose this exact code.

  • Pin-to-pin wiring diagrams
  • Component testing steps
  • Technical Service Bulletins
  • Identifix confirmed fixes

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