Basic checks
Veepeak OBDCheck BLE
A Bluetooth LE adapter for reading standard engine codes and supported live data.
View on AmazonB0210
Rain Sensor Module
Moderate severity
The body control module has detected a fault in the rain sensor module on the windshield. Automatic wiper activation based on moisture detection is no longer available.
The body control module has detected a fault in the rain sensor module on the windshield. Automatic wiper activation based on moisture detection is no longer available.
Common causes
- high
Rain sensor failed or detached
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-440
- medium
Windshield replaced without sensor recoding
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-440
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Tools you may need
Already have a compatible scanner? Use it. If not, a Bluetooth OBD2 adapter can help you confirm engine codes and check supported live sensor data before replacing parts.
Regular diagnostics
vgate iCar Pro BLE 4.0
A Bluetooth LE adapter with an automatic sleep feature for routine code and sensor checks.
View on AmazonAnother option
OBDLink CX
A Bluetooth LE adapter to consider when comparing supported vehicles and diagnostic apps.
View on AmazonIllustrations shown, not product photos. Check vehicle, phone and app compatibility before buying. These adapters do not guarantee access to ABS, airbags or manufacturer-specific systems. Clearing a code does not repair the fault and can reset emissions readiness monitors.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0210 mean?
B0210 means "Rain Sensor Module". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0210?
rain sensor failed or detached; windshield replaced without sensor recoding — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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