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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1600 (Handles, Locks, Latches And Entry Systems (Except Electric) (1 Of2)) >> Diagnosis And Testing >> Locks, Latches and Entry Systems - Vehicles With: One-Touch Open Driver Window >> Pinpoint Tests >> Pinpoint Test M : The Door Lock Indicators Are Inoperative Or Always On >> Notes

Pinpoint Test M : The Door Lock Indicators Are Inoperative Or Always On: Notes

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Power Door Locks for schematic and connector information.

Normal Operations and Fault Conditions 

REFER to: Handles, Locks, Latches and Entry Systems - Vehicles With: One-Touch Open Driver Window - System Operation and Component Description  .

BCM DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1108:77 Driver Door Central Locking Motor: Commanded Position Not Reachable A continuous DTC that sets when the BCM attempts to lock/unlock the doors and the driver front door feedback input circuit does not match.
B1109:77 Passenger Door Central Locking Motor: Commanded Position Not Reachable A continuous DTC that sets when the BCM attempts to lock/unlock the doors and the passenger front door feedback input circuit does not match.
B110A:77 Rear Door Driver Side Central Locking Motor: Commanded Position Not Reachable A continuous DTC that sets when the BCM attempts to lock/unlock the doors and the driver rear door feedback input circuit does not match.
B110B:77 Rear Door Passenger Side Central Locking Motor: Commanded Position Not Reachable A continuous DTC that sets when the BCM attempts to lock/unlock the doors and the passenger rear door feedback input circuit does not match.
B1287:11 Central Lock Switch Illumination: Circuit Short to Ground Sets when the BCM detects a short to ground from the door lock indicator control circuit.
B1287:15 Central Lock Switch Illumination: Circuit Short to Battery or Open Sets when the BCM detects an open or short to voltage from the door lock indicator control circuit.
B12D3:23 Driver Door Lock Status: Signal Stuck Low An on-demand DTC that sets when the BCM detects an open from the driver door lock/unlock feedback circuit. This DTC sets if the driver door is locked during a self-test.
B13B0:13 Passenger Side Front Door Unlock Switch: Circuit Open An on-demand DTC that sets when the BCM detects an open from the passenger front door lock/unlock feedback circuit. This DTC sets if the passenger front door is locked during a self-test.
B13B1:13 Left Side Rear Door Unlock Switch: Circuit Open An on-demand DTC that sets when the BCM detects an open from the driver rear door lock/unlock feedback circuit. This DTC sets if the driver rear door is locked during a self-test.
B13B2:13 Right Side Rear Door Unlock Switch: Circuit Open An on-demand DTC that sets when the BCM detects an open from the passenger rear door lock/unlock feedback circuit. This DTC sets if the passenger rear door is locked during a self-test.

Possible Causes