Hella 011012881 Rain Sensor

HELLA Rain Sensor for Automatic Vehicle Control

The HELLA Rain Sensor helps automate key vehicle functions by detecting rain, ambient light, solar load, and humidity. It supports automatic wiper response, low beam headlight adjustment, and climate control behavior for a more consistent driving experience.

Built for vehicles with a windshield glass setup that includes a rain/light sensor, this HELLA Rain Sensor 011012881 is a clipped, 3-pole unit for direct replacement service on select GM applications.

Key Features

• Detects rain, lighting, solar load, and humidity
• Adjusts windshield wiper speed based on rain intensity
• Supports automatic low beam headlight response to changing light
• Helps regulate climate control behavior for cabin comfort
• Glass: with rain/light sensor
• Mounting type: clipped
• Number of poles: 3
• Part number: 011012881

Detailed Description

HELLA 011012881 is a rain sensor for vehicles equipped with a rain/light sensor windshield glass configuration. It communicates through a 3-pole connection and mounts with a clipped design, making it a direct-fit service part for the listed applications. This sensor is used on select Buick Envision, Cadillac ATS, CTS, Escalade, XT5, XTS, CT6, SRX, Chevrolet Tahoe and Impala, and GMC Yukon models.

For buyers searching for a rain sensor for 2016-2018 Buick Envision, a rain/light sensor replacement for 2013-2018 Cadillac ATS, or a clipped 3-pin rain sensor for 2015-2018 Chevrolet Tahoe and GMC Yukon, this part number 011012881 matches the specified vehicle configurations. This part cross-references GM OE numbers 22761862 and 84138305 for the same application.

What This Part Helps Address

• Intermittent or non-responsive automatic wiper operation
• Incorrect wiper speed response during changing rainfall
• Loss of automatic headlight behavior tied to ambient light sensing
• Climate control behavior affected by sensor input issues
• Replacement needs after sensor failure or windshield service on rain/light sensor glass

Installation Notes and Tips

• Verify the windshield glass is equipped with a rain/light sensor before ordering.
• Confirm the clipped mounting style and 3-pole connector match the original unit.
• Use the vehicle’s listed fitment by year, make, and model for confirmation before installation.
• After installation, check automatic wiper, lighting, and climate control functions to confirm proper operation.

Quality Assurance

HELLA is a recognized automotive electronics brand with OE-focused sensor applications. Part number 011012881 is built to the specified sensor configuration and vehicle fitment listed above.