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P0400

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P0400


EGR Valve Actuator. Deviation from demanded position.


Note

See also


Fault symptoms


• CHECK ENGINE lamp on.


Conditions

The following conditions apply for this DTC:


• A diagnostic trouble code is generated when the control deviation is more than 20% from the requested EGR position for 0.6 seconds.


Diagnostic help

In the event of a fault, the EGR valve feedback signal will be 70% PWM.

See Checking of coolant hoses to EGR

For more information, refer to "Read value" EGR, feedback signal.