Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2013 Lincoln MKT Base, AWDFACTORY OEM SERVICE PROCEDURE
Liftgate/Trunk Module (LTM)
LIFTGATE/TRUNK MODULE (LTM) DTC CHART
| DTC | Description | Action |
|---|---|---|
| B106E | Solid State Driver Disabled due to Short Circuit | GO to PINPOINT TEST A . |
| B106F | Module Disabled Due to External Fault | DIAGNOSE all other DTCs first. If no other DTCs are present, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . TEST for normal operation. |
| B107D | Obstacle Detected while closing | VERIFY obstacle is not present. CLEAR the DTCs. REPEAT the self-test. If DTC B107D returns, GO to PINPOINT TEST D . |
| B1105 | Rear Open/Close Switch Active During Self Test | GO to PINPOINT TEST B . |
| B1179 | Latch Motor Circuit Short to Battery | GO to PINPOINT TEST A . |
| B117A | Latch Motor Circuit Short to Ground | GO to PINPOINT TEST A . |
| B117B | Latch Motor Circuit Open | GO to PINPOINT TEST A . |
| B117C | Latch Centering Switch Invalid | If any other power liftgate related DTCs are present, DIAGNOSE those DTCs first. If no other power liftgate DTCs are present, GO to PINPOINT TEST I . |
| B1317 | Battery Voltage High | GO to PINPOINT TEST J . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST J . |
| B1342 | ECU Is Faulted | INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
| B2019 | Liftgate Exceeded Time Allowed to Cinch Door | GO to PINPOINT TEST C . |
| B201A | Power System Disabled Due to High Manual Closing Speed | GO to PINPOINT TEST K . |
| B236A | Chime Output Circuit Open | GO to PINPOINT TEST E . |
| B2418 | Sensor Power Short to Ground | GO to PINPOINT TEST A . |
| B2419 | Sensor 1 Invalid | GO to PINPOINT TEST A . |
| B2420 | Sensor 2 Invalid | GO to PINPOINT TEST A . |
| B2552 | Vbatt 2 Circuit Open | GO to PINPOINT TEST A . |
| B2699 | Left Pinch Strip Open or Short to Battery | GO to PINPOINT TEST G . |
| B2700 | Right Pinch Strip Open or Short to Battery | GO to PINPOINT TEST G . |
| B2701 | Left Pinch Strip Stuck Active | GO to PINPOINT TEST G . |
| B2702 | Right Pinch Strip Stuck Active | GO to PINPOINT TEST G . |
| B2703 | Open/Close Switch Stuck Active | GO to PINPOINT TEST B . |
| B2718 | Liftgate/Decklid Ajar Output Short to Battery | REFER to INTERIOR LIGHTING . |
| B2721 | Liftgate/Decklid Ajar Output Short to Ground or Open | REFER to INTERIOR LIGHTING . |
| B2819 | Gate Motor Circuit Short to Battery | GO to PINPOINT TEST A . |
| B2903 | Chime Output Circuit Short to Battery | GO to PINPOINT TEST E . |
| B2908 | Latch Switch Invalid | For an inoperative power liftgate, GO to PINPOINT TEST A . For a power liftgate that stops in secondary latch position, GO to PINPOINT TEST C . |
| B2935 | Drive Unit Failure | GO to PINPOINT TEST A . |
| B2936 | Gate Motor Open | GO to PINPOINT TEST A . |
| B2937 | Gate Motor Short to Ground | GO to PINPOINT TEST A . |
| B2939 | Gate Clutch Short to Ground or Open | GO to PINPOINT TEST A . |
| B2940 | Chime Output Circuit Short to Ground | GO to PINPOINT TEST E . |
| U0140 | Lost Communication With Body Control Module (GEM) | GO to PINPOINT TEST L . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | GO to PINPOINT TEST M . |
| U2050 | No Application Present | CLEAR the DTCs. REPEAT the self-test. If DTC U2050 returns, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
| U2051 | One or More Calibration Files Missing/Corrupt | CLEAR the DTCs. REPEAT the self-test. If DTC U2051 returns, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
| U2471 | Unexpected PRNDL State | VERIFY the transmission gear selector (PRNDL) is in PARK. CLEAR the DTCs. REPEAT the self-test. If DTC U2471 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the IPC module. REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . If no DTCs are present, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
| U2472 | Unexpected Ignition State | VERIFY the ignition is ON. CLEAR the DTCs. REPEAT the self-test. If DTC U2472 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the BCM. REFER to MULTIFUNCTION ELECTRONIC MODULES . If no DTCs are present, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
| U2473 | Unexpected Vehicle Speed (VSS) | CLEAR the DTCs. REPEAT the self-test. If DTC U2473 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the IPC. REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . If no related DTCs, INSTALL a new LTM. REFER to LIFTGATE/TRUNK MODULE (LTM) . |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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