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.
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HOMESERVICE MANUALSFORD2014EXPEDITION KING RANCH, RWDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXVEHICLE DYNAMIC SUSPENSION DTCS
2014 Ford Expedition King Ranch, RWD
Vehicle Dynamic Suspension DTCS
2014 Ford Expedition King Ranch, RWDSECTION Vehicle Dynamic Suspension DTCS
DTC INDEX
| DTCs | Description | Action |
|---|---|---|
| B1317 | Battery Voltage High | GO to PINPOINT TEST A . |
| B1318 | Battery Voltage Low | GO to PINPOINT TEST A . |
| B1342 | ECUÂ is Faulted | INSTALL a new VDMÂ . REFER to VEHICLE DYNAMICS MODULE (VDM) . SET the ride height. REFER to RIDE HEIGHT ADJUSTMENTS . CARRY OUT the PNEUMATIC TEST . TEST the system for normal operation. |
| B1566 | Door Ajar Circuit Short to Ground | Doors/running boards open during self-test. VERIFY doors/running boards signals are working. REFER to INTERIOR LIGHTING for door ajar switch diagnosis and EXTERIOR TRIM AND ORNAMENTATION for retractable running board diagnosis. |
| B2477 | Module Configuration Failure | INSTALL a new VDMÂ . REFER to VEHICLE DYNAMICS MODULE (VDM) . SET the ride height. REFER to RIDE HEIGHT ADJUSTMENTS . CARRY OUT the PNEUMATIC TEST . TEST the system for normal operation. |
| C1724 | Air Suspension Height Sensor Power Circuit Failure | GO to PINPOINT TEST B . |
| C1726 | Air Suspension Rear Pneumatic Failure | GO to PINPOINT TEST C . |
| C1770 | Air Suspension Vent Solenoid Output Circuit Failure | GO to PINPOINT TEST D . |
| C1790 | Air Suspension LR Air Spring Solenoid Output Circuit Failure | GO to PINPOINT TEST E . |
| C1795 | Air Suspension RR Air Spring Solenoid Output Circuit Failure | GO to PINPOINT TEST E . |
| C1810 | Air Suspension Height Sensor Delta Out of Range | GO to PINPOINT TEST K . |
| C1830 | Air Suspension Compressor Relay Circuit Failure | GO to PINPOINT TEST J . |
| C1885 | Air Suspension RR Height Sensor Circuit Failure | GO to PINPOINT TEST F . |
| C1893 | Air Suspension LR Height Sensor Circuit Failure | GO to PINPOINT TEST F . |
| C1990 | New Control Module Initialization (requires ride height calibration and pneumatic test pass) | REFER to CLEARING DTC C1990 OR C1991 . |
| C1991 | Plant Ride Height Setting and/or Tests Incomplete | REFER to CLEARING DTC C1990 OR C1991 . |
| C1964 | Compressor Run Time Exceeded | GO to PINPOINT TEST J . |
| C2001 | Ride Height Calibration Error | ADJUST the ride height, REFER to RIDE HEIGHT ADJUSTMENTS . CLEAR the DTCs. REPEAT the self-test. |
| C2002 | Pneumatic Test Failure | VERIFY that all Pneumatic Test pre-conditions are met, REFER to PNEUMATIC TEST . REPEAT the Pneumatic Test. If all conditions are met, the scan tool can communicate with the VDMÂ and the module and is still unable to complete the Pneumatic Test, GO to PINPOINT TEST C . |
| U0073 | Control Module Communication Bus A Off | REFER to MODULE COMMUNICATIONS NETWORK to diagnose the High Speed Controller Area Network (HS-CAN) bus. |
| U0100 | Lost Communication with Powertrain Control Module (PCM) | REFER to MODULE COMMUNICATIONS NETWORK to diagnose the HS-CANÂ bus. |
| U0140 | Lost Communication with Body Control Module | REFER to MODULE COMMUNICATIONS NETWORK to diagnose the HS-CANÂ bus. |
| U0155 | Lost Communication with Instrument Cluster | REFER to MODULE COMMUNICATIONS NETWORK to diagnose the HS-CANÂ bus. |
| U2011 | Module Transmitted Invalid Data | CLEAR the DTC. REPEAT the self-test. If DTC U2011 returns, INSTALL a new VDMÂ . REFER to VEHICLE DYNAMICS MODULE (VDM) . CLEAR the DTC. REPEAT the self-test. |
| U2050 | Application Not Present | INSTALL a new VDMÂ . REFER to VEHICLE DYNAMICS MODULE (VDM) . CLEAR the DTC. REPEAT the self-test. |
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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.