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Powertrain Control Module (PCM) Diagnostic Trouble Code Index

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

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

For a complete list of PCM DTCs, refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .