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 MANUALSDODGE AND RAM2023DURANGO SXT, AWDREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING AND AIR CONDITIONING - DTCS B11C7-00 TO B11F2-15DTC TROUBLESHOOTINGB11CB-13-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT OPENPOSSIBLE CAUSES
2023 Dodge and Ram Durango SXT, AWD
Possible Causes
2023 Dodge and Ram Durango SXT, AWDSECTION Possible Causes
| Possible Causes |
|---|
| (C255) LEFT BLEND DOOR DRIVER CIRCUIT OPEN OR HIGH RESISTANCE |
| (C55) LEFT BLEND DOOR COMMON DRIVER CIRCUIT OPEN OR HIGH RESISTANCE |
| LEFT BLEND DOOR ACTUATOR |
| HVAC MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
RENDER: 1.0x
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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.