FixVault

Evaporative Emissions

PCM DIAGNOSTICS TROUBLE CODE (DTC) LIST

DTC Description Source Action
P0442 Small Leak Detected in EVAP System (as small as 1.02 mm). PCM GO to PINPOINT TEST A .
P0455 Major Leak or No Flow Detected. PCM GO to PINPOINT TEST B .
P1443 Very Small or No Purge Flow Detected. PCM GO to PINPOINT TEST B .
P1450 Excessive Vacuum Detected in The Fuel Tank. PCM GO to PINPOINT TEST C .
P0456 Very Small Leak Detected in EVAP System (as small as 0.508 mm ). PCM GO to PINPOINT TEST A