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Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX (P0457)

DTC Description Source Action
P0457 Fuel Fill Cap Off PCM Go To PINPOINT TEST AC: THE CHECK FUEL CAP INDICATOR IS NEVER/ALWAYS ON .

For a complete list of PCM DTCs, refer to the ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINE article in ENGINE PERFORMANCE .