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Pinpoint Test H : P1594: Notes

Diagnostic Overview 

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.

Refer to Power Distribution/BCM for schematic and connector information.

Normal Operation and Fault Conditions 

Once activated, the Remote Start feature will run the engine for 5, 10 or 15 minutes. Default time is 15 minutes. If the PCM detects that the BCM did not shut down the engine before 35 minutes of run time, PCM DTC P1594 sets. For more information, Starting System 

Possible Sources 

Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
P1594 Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout This DTC sets when the PCM detects that the BCM did not shut down the engine before 35 minutes of run time.