OBD Guide

B370C

Rain Sensor Intensity Signal Circuit

B370C is an OBD-II diagnostic trouble code meaning: Rain Sensor Intensity Signal Circuit. Common causes: broken or damaged rain sensor wiring harness, rain sensor malfunction. Estimated repair cost: $33–111.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Automatic wipers do not work correctly
  • Wipers do not turn on automatically when it rains
  • False alarms of wipers

Causes

  • Broken or damaged rain sensor wiring harness
  • Rain sensor malfunction
  • Poor contact in the sensor connector
  • Problems with the body control module

How to Fix

  1. Check the integrity of the rain sensor wiring harness
  2. Inspect the connectors and contacts of the sensor for oxidation
  3. Check the functionality of the rain sensor
  4. If necessary, replace the sensor or repair the wiring harness
  5. Reset the error and check the system operation

Related codes

Error B370C by Vehicle Brand

FAQ

What does the B370C code mean?

B370C is an OBD-II diagnostic trouble code that indicates: Rain Sensor Intensity Signal Circuit

What causes a B370C error code?

The most common causes of B370C include: Broken or damaged rain sensor wiring harness; Rain sensor malfunction; Poor contact in the sensor connector; Problems with the body control module.

How do I fix a B370C diagnostic trouble code?

To fix B370C: Check the integrity of the rain sensor wiring harness. Inspect the connectors and contacts of the sensor for oxidation. Check the functionality of the rain sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B370C?

Limited driving only, diagnose soon

How much does it cost to fix B370C?

The estimated repair cost for B370C is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat