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P0405

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on. Inferior performance. Limp home.

P0405


EGR Valve Feedback Circuit. Too Low.



Fault symptom


CHECK ENGINE lamp on.

Inferior performance.

Limp home.


Conditions

The following conditions apply for the DTC in question:


The diagnostic trouble code indicates a short circuit to ground or a break in the circuit between pin 24 on the control module and pin 4 on the EGR valve.

EGR feedback signal is less than 5% PWM for more than 0.6 seconds.


Diagnostic help

For more information, see "Read value" EGR.