2005 Ford F-150 door locks

Pinpoint Test E: The Auto-lock Does Not Operate Correctly Normal Operation When autolock is enabled the vehicle security module reads inputs from: The ignition switch " The brake pedal position (BPP) switch " The door ajar switches (all doors closed) " The brake pedal position (BPP) switch and transmission range (TR) sensor inputs are received through the universal asynchronous receiver-transmitter (UART)-based protocol (UBP) communications network. Once the vehicle security module receives all 3 inputs the doors automatically lock. Possible Causes Circuit 344 (BK/YE) open " Circuit 345 (BK/PK) open " Circuit 346 (BK/WH) open (SuperCrew) " Circuit 363 (BK/LB) open (SuperCrew) " UART based protocol (UBP) communications network " Vehicle security module " Door ajar switches " PINPOINT TEST E: THE AUTO-LOCK DOES NOT OPERATE CORRECTLY E1 VERIFY THE AUTOLOCK FEATURE IS ENABLED Verify the autolock feature is enabled. " Is the autolock feature enabled? " Yes : GO to E2. à † No : TURN the feature ON with any configuration method. à † E2 CHECK ALL VEHICLE SECURITY MODULE DOOR AJAR PIDs FOR CORRECT READINGS Key in ON position. " Enter the following diagnostic mode on the diagnostic tool: Vehicle security module door ajar PIDs. " Monitor all vehicle security module door ajar PIDS while opening and closing all doors. " Do the PID values agree with the door positions? " Yes : GO to E6. à † No : GO to E3. à † E3 CHECK THE SUSPECT DOOR AJAR SWITCH CIRCUIT Key in OFF position. " Page 1 of 1 HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS -- F150 PICKUP -2005 Ford. 5/2/2009
You may need to have it scanned for any fualt codes, this will pin point the problem part.