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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 593 (Information Center - Instrumentation, Message Center, And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AQ : The Door Or Liftgate Ajar RECONFIGURABLE Telltale (RTT) Is Never Or Always On >> Notes

Pinpoint Test AQ : The Door Or Liftgate Ajar RECONFIGURABLE Telltale (RTT) Is Never Or Always On: Notes

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Overview 

See Door Or Liftgate Ajar Reconfigurable Telltale (RTT). Refer to Information And Message Center .

NOTE: If DTC U0140:00 sets in the IPC, other symptoms can also be present such as inoperative high beam indicator, turn indicators or the TPMS warning indicator can be always on.

Normal Operation and Fault Conditions 

If the driver door, passenger door, driver rear door, passenger rear door or liftgate ajar status message is missing for less than 5 seconds, the door ajar indication remains in its last indication state (on or off) based upon the last message received.

If the driver door, passenger door, driver rear door, passenger rear door or liftgate ajar status message is missing for 5 seconds or longer, the IPC sets DTC U0140:00 and defaults the door ajar Reconfigurable Telltale (RTT) on.

Possible Sources 

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