B370A
Rain Sensor Internal Malfunction
B370A is an OBD-II diagnostic trouble code meaning: Rain Sensor Internal Malfunction. Common causes: damage to the optical element of the sensor, sensor electronic circuit malfunction. Estimated repair cost: $56–167.
Symptoms
- Automatic wipers do not work correctly
- Wipers do not turn on automatically
- False alarms of wipers
Causes
- Damage to the optical element of the sensor
- Sensor electronic circuit malfunction
- Problems with the sensor wiring harness
- Sensor contamination
How to Fix
- Check the condition of the sensor and its fastening
- Clean the surface of the sensor from dirt
- Check the integrity of the wiring harness
- Replace the rain sensor if necessary
Error B370A by Vehicle Brand
FAQ
What does the B370A code mean?
B370A is an OBD-II diagnostic trouble code that indicates: Rain Sensor Internal Malfunction
What causes a B370A error code?
The most common causes of B370A include: Damage to the optical element of the sensor; Sensor electronic circuit malfunction; Problems with the sensor wiring harness; Sensor contamination.
How do I fix a B370A diagnostic trouble code?
To fix B370A: Check the condition of the sensor and its fastening. Clean the surface of the sensor from dirt. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B370A?
Limited driving only, diagnose soon
How much does it cost to fix B370A?
The estimated repair cost for B370A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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