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 MANUALSFORD2018EXPEDITION MAX LIMITED, 4WDREPAIR AND DIAGNOSISBRAKESBRAKES CONTROL SYSTEMSABS GUIDED ROUTINE TESTINGDTC/SYMPTOM SELECTIONDTC INDEXSASM - STEERING ANGLE SENSOR MODULEDTC U0001: HIGH SPEED CAN COMMUNICATION BUS
2018 Ford Expedition MAX Limited, 4WD
DTC U0001: High Speed CAN Communication Bus
2018 Ford Expedition MAX Limited, 4WDSECTION DTC U0001: High Speed CAN Communication Bus
| Failure | Action |
|---|---|
| 00 | The module could not communicate on the network at a point in time. The fault is not currently present since the module is able to communicate with the diagnostic scan tool to report this DTC. VERIFY the integrity of the connectors and wiring. Refer to Module Communications Network Wiring Diagrams article, for schematic and connector information. |
| 88 | The module could not communicate on the network at a point in time. The fault is not currently present since the module is able to communicate with the diagnostic scan tool to report this DTC. VERIFY the integrity of the connectors and wiring. Refer to Module Communications Network Wiring Diagrams article, for schematic and connector information. |
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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.