P2623 – Injector Control Pressure Regulator Circuit/Open

P2623 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P2623 Possible Causes

Faulty Injector Control Pressure Regulator,Injector Control Pressure Regulator harness is open or shorted,Injector Control Pressure Regulator circuit poor electrical connection

P2623 Description

The Powertrain Control Module (PCM) monitors the Injector Control Pressure Regulator (ICPR) Circuit. The PCM sets the OBDII code when the Injector Control Pressure Regulator circuit is out of factory specifications.