DTC P20A0 (PCM) - Reductant Purge Control Valve Circuit Open Load

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DTC DESCRIPTION P20A0 (PCM) - REDUCTANT PURGE CONTROL VALVE CIRCUIT OPEN LOAD

Description:	This DTC sets when the RDPGC circuit voltage is greater than or less than a calibrated limit for a calibrated amount of time.
Possible Causes:	RDPGC circuit open RDPGC circuit short to ground RDPGC circuit short to voltage VPWR circuit open VPWR circuit short to ground VPWR circuit short to voltage Reductant purge valve open Reductant purge valve short to ground Reductant purge valve short to voltage
Diagnostic Aids:	The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST RE .