Interior Temperature Sensor Circuit
2006-2012 Mitsubishi Eclipse 2.4L I4 🇨🇦
Description
Malfunction in the interior (in-car) temperature sensor used by the automatic climate control system.
Symptoms
- Climate control not maintaining set temperature
- Auto mode blowing wrong temperature
- Temperature fluctuates wildly
- Aspirator fan not running
Common Causes
- Faulty in-car temperature sensor
- Aspirator tube blocked or disconnected
- Sensor wiring issue
- Aspirator fan motor failure
Diagnostic Steps
- Check in-car sensor reading on climate display
- Inspect aspirator tube for blockage
- Test sensor resistance
- Listen for aspirator fan running
- Compare sensor reading to actual cabin temp
Repair Notes
Replace in-car temperature sensor or clear aspirator tube blockage.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0620 on Other Vehicles
Mitsubishi 3000GT
1991-1999 3.0L V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L Twin Turbo V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Diamante
1992-1996 3.0L V6
Mitsubishi Diamante
1997-2004 3.5L V6
Common Questions
What does code B0620 mean on a 2006-2012 Mitsubishi Eclipse?
B0620 stands for "Interior Temperature Sensor Circuit". Malfunction in the interior (in-car) temperature sensor used by the automatic climate control system.
What are the symptoms of B0620 on a Mitsubishi Eclipse?
Common symptoms of B0620 include: Climate control not maintaining set temperature, Auto mode blowing wrong temperature, Temperature fluctuates wildly, Aspirator fan not running.
What causes B0620 on a 2006-2012 Mitsubishi Eclipse?
Common causes of B0620 include: Faulty in-car temperature sensor, Aspirator tube blocked or disconnected, Sensor wiring issue, Aspirator fan motor failure.