Possible causes

– Manifold flow valve harness is open or shorted
– Manifold flow valve circuit poor electrical connection
– Faulty Manifold flow valve
– Intake manifold
– Faulty Powertrain Control Module (PCM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P2004 CHRYSLER Description

The Powertrain Control Module (PCM) detects that the position feedback of the manifold flow valve position sensor is not within range of adapted value learned during inplant initialization or after volatile memory reset.