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 MANUALSMAZDA2008TRIBUTE S SPORT, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1191 (HVAC CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS)DIAGNOSIS AND TESTINGCLIMATE CONTROL SYSTEMDIAGNOSTIC TROUBLE CODE INDEXELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2008 Mazda Tribute s Sport, 4WD
Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
2008 Mazda Tribute s Sport, 4WDSECTION Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
All DTCs can be retrieved as an on-demand (hard fault) or continuous (intermittent fault) fault. If a continuous (intermittent) fault, the degrees Celsius symbol (°C) will be displayed in addition to the DTCs.
DTC DESCRIPTION
| DTC | Description | Action to Take |
|---|---|---|
| B1200 | Stuck Button | Button held too long may set DTC. Attempt to clean buttons. If code returns, INSTALL a new EATC module. REFER to CLIMATE CONTROL . |
| B1251 | In-Vehicle Temperature Sensor Open Circuit | GO to PINPOINT TEST A . |
| B1253 | In-Vehicle Temperature Sensor Circuit Short to Ground | GO to PINPOINT TEST A . |
| B1255 | Ambient Temperature Sensor Open Circuit | GO to PINPOINT TEST B . |
| B1257 | Ambient Temperature Sensor Circuit Short to Ground | GO to PINPOINT TEST B . |
| B2795 | LH A/C Solar Radiation Sensor Circuit Short to Ground | GO to PINPOINT TEST C . |
| B2796 | LH A/C Solar Radiation Sensor Open Circuit | GO to PINPOINT TEST C . |
| B1242 | Air Inlet Door Short/Failure | GO to PINPOINT TEST D . |
| B2266 | LH Blend Door Failure or Short | GO to PINPOINT TEST K . |
| B2267 | RH Blend Door Failure or Short | GO to PINPOINT TEST K . |
| B1003 | Mode Door Short/Failure | GO to PINPOINT TEST E . |
| B2916 | Auxiliary Blend Door Failure | GO to PINPOINT TEST R . |
| B2917 | Auxiliary Mode Door Failure | GO to PINPOINT TEST S . |
| B2918 | Auxiliary Temperature Input Circuit Open/Short to Ground | GO to PINPOINT TEST R . |
| B2919 | Auxiliary Blower Motor Speed Input Circuit Open/Short to Ground | GO to PINPOINT TEST Q . |
| B1342 | EATC Module Faulted | INSTALL a new EATC module. REFER to CLIMATE CONTROL . |
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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.