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P0409

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on. Loss of performance. Limp home.

P0409


EGR Valve Feedback Circuit. Signal Plausibility Fault.


Fault symptoms


• CHECK ENGINE lamp on.

• Loss of performance.

• Limp home.


Conditions

The following conditions apply for this DTC:


• Feedback signal incorrect.


Diagnostic help

Deactivates EGR control. Can be caused by an electrical fault. Visually inspect the wiring.

See fault diagnosis for P0405 and P0406.