OBD Code P0663

Intake Manifold Tuning Valve Control Circuit/Open

What’s mean?

OBD2 Code P0663 Definition:
The Intake Manifold Tuning Valve (IMTV) system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is more or less than an the expected calibrated range

Symptoms

Possible sumptoms of P0663
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0663
– IMTV signal circuit open, shorted to PWR GND or SIG RTN. – Damaged IMTV actuator. – Damaged PCM.

Possible Solutions