Chrysler
Type:
    Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description:
    EVAP Large Leak Detected Conditions
Cause:
    Cold engine startup completed (BTS input from 40-90°F, ECT input within 10°F of BTS input), then the test started and the PCM detected a leak of over 0 80" somewhere in the EVAP system during the EVAP Leak Test Refer to Monitor Test, code repair chart to test the EVAP system for small leaks (EVAP LDP system)

Ford
Type:
    Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description:
    EVAP System Leak (No Purge Flow or Large Leak) Conditions
Cause:
    Cold startup, engine running at off-idle conditions then the PCM detected the presence of a large leak in the system Check the gas cap!

Generic
Type:
    Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description:
    Evaporative Emission System Leak Detected (large leak)

GM
Type:
    Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description:
    EVAP System Leak Detected Conditions
Cause:
    Engine running, ECT input 158-230°F, IAT input from 14-122°F, BARO input more than 75 kPa, fuel tank level from 25-75%, then PCM detected a fuel tank pressure that was within a specified value, purge accumulation time more than 200 seconds.

Nissan
Type:
    Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description:
    Evaporative emission (EVAP) canister purge system - gross leak
Cause:
    Wiring, fuel tank/cap, hose leak/ blockage, EVAP valve/canister, EVAP vent valve, BARO sensor, MAP/BARO switching valve, ECM