DTC P0443: EVAP Control System Purge Control Valve, Circuit Malfunction: Condition

DTC is set when ignition is turned on and purge solenoid valve voltage is less than 2.7 volts. This is a diagnostic support DTC, monitored once per ignition key cycle. MIL is not illuminated when Powertrain Control Module (PCM) detects malfunction. Possible causes are:

• Purge solenoid valve malfunction.
• Open circuit between purge solenoid valve and main relay.
• Open or short circuit between purge solenoid valve Powertrain Control Module (PCM).
• PCM malfunction.