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 MANUALSFORD2009PICKUP F350 SUPER DUTY, 2D PICKUP, 6.8 Y, 4WD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX -- F250-F550 SUPER DUTYCLIMATE CONTROL SYSTEM DTCSHVAC MODULE
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, 4WD, Standard
HVAC Module
2009 Ford Pickup F350 Super Duty, 2D Pickup, 6.8 Y, 4WD, StandardSECTION HVAC Module
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1003 | Mode Door Circuit Failure | Go to Pinpoint Test F . |
| B1251 | Air Temperature Internal Sensor Circuit Open | Go to Pinpoint Test A . |
| B1253 | Air Temperature Internal Sensor Circuit Short To Ground | Go to Pinpoint Test A . |
| B1255 | Air Temperature External Sensor Circuit Open | Go to Pinpoint Test B . |
| B1257 | Air Temperature External Sensor Circuit Short To Ground | Go to Pinpoint Test B . |
| B1676 | Battery Pack Voltage Out Of Range | Go to Pinpoint Test Q . |
| B2266 | Left Side Blend Door Circuit Failure | For vehicles not equipped with electric heater, go to Pinpoint Test K
. For vehicles equipped with electric heater, go to Pinpoint Test L . |
| B2267 | Right Side Blend Door Circuit Failure | For vehicles not equipped with electric heater, go to Pinpoint Test K
. For vehicles equipped with electric heater, go to Pinpoint Test L . |
| B2268 | Steering Wheel Climate Control Circuit Open | Go to Pinpoint Test D . |
| B2269 | Steering Wheel Climate Control Circuit Short to Ground | Go to Pinpoint Test D . |
| B2426 | Passenger Solar Radiation Sensor Circuit Open | Go to Pinpoint Test C . |
| B2427 | Passenger Solar Radiation Sensor Circuit Short to Ground | Go to Pinpoint Test C . |
| B2795 | Driver Solar Radiation Sensor Circuit Short to Ground | Go to Pinpoint Test C . |
| B2796 | Driver Solar Radiation Sensor Circuit Open | Go to Pinpoint Test C . |
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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.