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Interrogating the Fault Memory

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Procedure 

The following table is an example of the DTC information that may be displayed on the scan tool screen:

Indication example Explanation
P0444 SAE Diagnostic Trouble Code (DTC)
Evaporative Emission (EVAP) Canister Purge Regulator Valve Malfunctioning wiring path or malfunctioning component
Circuit Open Malfunction type as next