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 MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 96 (HVAC CONTROL SYSTEM - GENERAL INFORMATION -- F250-F550 SUPER DUTY)DIAGNOSIS AND TESTINGCLIMATE CONTROL SYSTEMDIAGNOSTIC TROUBLE CODE INDEXELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2007 Ford Focus SES, 4D Sedan, Standard
Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
2007 Ford Focus SES, 4D Sedan, StandardSECTION Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | EATC (On Demand) Self-Test Faults | EATC (Continuous) Run-Time Faults | Description | Action to Take |
|---|---|---|---|---|
| B2266 | 024 | 025 | Blend door failure or short | GO to PINPOINT TEST A . |
| B1251 | 031 | N/A | A/C in-car temperature sensor open circuit | GO to PINPOINT TEST B . |
| B1253 | 030 | N/A | A/C in-car temperature sensor short to ground | GO to PINPOINT TEST B . |
| B1255 | 041 | 043 | A/C ambient temperature sensor open circuit | GO to PINPOINT TEST C . |
| B1257 | 040 | 042 | A/C ambient temperature sensor short to ground | GO to PINPOINT TEST C . |
| B1259 | N/A | N/A | A/C solar radiation sensor circuit open | GO to PINPOINT TEST D . |
| B1261 | 050 | 052 | A/C solar radiation sensor circuit short to ground | GO to PINPOINT TEST D . |
| U1073 | N/A | - | SCP invalid or missing data for engine coolant | See INTRODUCTION - GASOLINE article or INTRODUCTION -- 6.0L DIESEL article . |
| U1341 | N/A | N/A | SCP invalid data for vehicle speed | See INTRODUCTION - GASOLINE article or INTRODUCTION -- 6.0L DIESEL article . |
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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.