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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSHYUNDAI2009TUCSON LIMITED, 2.0 BREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSDTC CODES - HVAC SYSTEMB1202 WATER TEMPERATURE SENSOR OPEN (HIGH)DTC DESCRIPTION
2009 Hyundai Tucson Limited, 2.0 B
DTC Description
2009 Hyundai Tucson Limited, 2.0 BSECTION DTC Description
The Heater & A/C controller sets DTC B1202 if there is an open circuit in Water Temp. Sensor signal harness or the measured resistance value of the sensor is more than the threshold value (about 176.3 kΞ©)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.