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.
2007 Ford Expedition 4WDFACTORY OEM SERVICE PROCEDURE
Electronic Manual Temperature Control (EMTC)
ELECTRONIC MANUAL TEMPERATURE CONTROL (EMTC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1003 | Mode Door Short/Failure | Go to Pinpoint Test H . |
| B1676 | Battery Voltage Out Of Range | Go to Pinpoint Test W . |
| B2266 | (LH) Blend Door Failure or Short | Go to Pinpoint Test M . |
| B2826 | Evaporator Temperature Sensor Circuit Failure | Go to Pinpoint Test E . |
| B2827 | Evaporator Temperature Sensor Circuit Short to Ground | Go to Pinpoint Test E . |
| B2916 | Auxiliary Blend Door Failure | Go to Pinpoint Test T . |
| B2917 | Auxiliary Mode Door Failure | Go to Pinpoint Test U . |
| B2918 | Auxiliary Temperature Input Circuit Open/Short to Ground | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, go to Pinpoint Test V . |
| B2919 | Auxiliary Blower Motor Speed Input Circuit Open/Short to Ground | If the vehicle is not equipped with a center console and rear auxiliary climate controls, ignore the DTC and continue diagnostics. If the vehicle is equipped with a center console and rear auxiliary climate controls, go to Pinpoint Test V . |
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.