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.
2018 Ford Expedition MAX Platinum, 4WDFACTORY OEM SERVICE PROCEDURE
Cruise Control System DTCS: Non-Adaptive
DTC INDEX
| DTC | Description | Action New: hover over Pinpoint Test links to show title |
|---|---|---|
| P0504:00 | Brake Switch A/B Correlation: No Sub Type Information | GO to Pinpoint Test C |
| P0572:00 | Brake Switch A Circuit Low: No Sub Type Information | GO to Pinpoint Test C |
| P0573:00 | Brake Switch A Circuit High: No Sub Type Information | GO to Pinpoint Test C |
| P1703:00 | Brake Switch Out Of Self - Test Range: No Sub Type Information | GO to Pinpoint Test C |
| P1935:00 | Brake Switch/Sensor Signal: No Sub Type Information | GO to Pinpoint Test C |
| B137F:09 | Steering Wheel Left Switch Pack: Component Failure | GO to Pinpoint Test A |
| B137F:09 | Steering Wheel Left Switch Pack: Component Failure | GO to Pinpoint Test B |
| B137F:11 | Steering Wheel Left Switch Pack: Circuit Short to Ground | GO to Pinpoint Test A |
| B137F:11 | Steering Wheel Left Switch Pack: Circuit Short to Ground | GO to Pinpoint Test B |
| B137F:17 | Steering Wheel Left Switch Pack: Circuit Voltage Above Threshold | GO to Pinpoint Test A |
| B137F:17 | Steering Wheel Left Switch Pack: Circuit Voltage Above Threshold | GO to Pinpoint Test B |
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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