P0486 - Exhaust Gas Recirculation Sensor B Circuit

The ECM detected a fault in the EGR sensor B circuit.

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Common Next Steps

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Related Inspection

Code Overview

The ECM detected a fault in the EGR sensor B circuit.

Common Causes

• EGR throttle or sensor fault
• Damaged wiring or connector
• Carbon buildup or sticking components

Diagnostic Steps

1. Inspect the throttle or sensor connector and wiring
2. Check command and feedback data if supported
3. Inspect for sticking or carbon buildup

Likely Repairs & Cost Guides

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Related OBD Codes

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Next Steps

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