P1005 Buick Manifold Tunning Valve Control Performance
Possible causes
– Manifold tunning valve harness open or shorted
– Manifold tunning valve circuit poor electrical connection
– Manifold tunning valve circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1005 Buick Description
This Powertrain Control Module (PCM) compares the circuit feedback to a calibrated closed range when when the circuit is de-energized or to a calibrated open range when the circuit is energized. If the value is to be determined to be out of the calibrated range in either the de-energized.
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