B370D
Rain Sensor Mode Control Circuit
B370D is an OBD-II diagnostic trouble code meaning: Rain Sensor Mode Control Circuit. Common causes: open or shorted wiring harness, rain sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Automatic wipers don't work
- False alarms of wipers
- Error message on the dashboard
Causes
- Open or shorted wiring harness
- Rain sensor malfunction
- Sensor power problems
- Oxidation of contacts
- Software error in the control unit
How to Fix
- Check the integrity of the wiring harness
- Check the power supply and ground of the sensor
- Clean sensor contacts
- Test the rain sensor
- Update control unit software
- Replace sensor if necessary
Related codes
Error B370D by Vehicle Brand
FAQ
What does the B370D code mean?
B370D is an OBD-II diagnostic trouble code that indicates: Rain Sensor Mode Control Circuit
What causes a B370D error code?
The most common causes of B370D include: Open or shorted wiring harness; Rain sensor malfunction; Sensor power problems; Oxidation of contacts.
How do I fix a B370D diagnostic trouble code?
To fix B370D: Check the integrity of the wiring harness. Check the power supply and ground of the sensor. Clean sensor contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B370D?
Limited driving only, diagnose soon
How much does it cost to fix B370D?
The estimated repair cost for B370D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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