LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 608 (3.6L - DTCS P0152 To P0523 - 1500) >> Diagnosis And Testing >> P0440-General EVAP System Failure >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP SYSTEM LEAK
EVAP PURGE HOSE/TUBE OBSTRUCTION
(K108) ESIM SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
EVAP PURGE SOLENOID
EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .