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Powertrain Control Module (PCM) diagnostic Trouble Code Index

WARNING: This page is about a different car, the 2003 Ford Escape. 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 X .

For a complete list of GEM module DTCs, refer to MULTIFUNCTION ELECTRONIC MODULE , or for PCM, refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .