Drivers who encounter a B0114 code usually notice that the washer fluid no longer clears the driver‑side camera lens. The dash may flash a “Camera Washer” warning, and the camera feed can appear fogged or streaked, reducing lane‑keeping assistance and other ADAS functions. Because the camera’s view is essential for safety‑critical systems, the problem is often addressed promptly.
These signs appear regardless of vehicle make or model because the underlying function—activating a small pump or valve that directs washer fluid to the camera—relies on the same control logic.
The actuator contains a miniature pump or valve driven by a motor. If the internal coil burns out or the motor stalls, the control module receives an “open circuit” signal, triggering B0114.
Corrosion, chafing, or a loose connector in the harness that runs from the body control module (BCM) to the actuator can create an intermittent open or short. Voltage drops below the module’s threshold, resulting in a code.
The BCM or a dedicated camera‑washer control module stores calibration data for the actuator. A corrupted flash memory area or an incomplete re‑flash after a previous repair can cause the module to misinterpret sensor feedback, generating B0114.
A weak 12 V supply on the actuator’s circuit—often caused by a failing fuse or a voltage regulator problem—prevents the actuator from energizing. While the fuse itself is a non‑module part, the symptom still originates from the module’s inability to command the actuator.
Connect a compatible scan tool to the OBD‑II port and read the B0114 definition. Verify that no other related body‑control codes (e.g., B0115, B0116) are present.
Locate the left camera washer actuator—typically near the driver‑side windshield. Examine the connector for corrosion, bent pins, or damaged insulation. Repair any harness defects before proceeding.
Using a multimeter, apply 12 V to the actuator’s power terminal while the washer lever is engaged. Observe whether fluid sprays. If the actuator does not operate, the component is likely failed.
With the scan tool, command a live data stream from the BCM. Look for the actuator’s status byte; a constant “0” indicates no command is reaching the actuator, suggesting a module communication fault.
If the wiring and actuator test correctly, re‑flash the BCM with the latest software version from the manufacturer. Many aftermarket tools can perform this step, but a dealer‑level flash ensures proper calibration of the washer timing and pressure.
When the actuator fails the power test, replace it. After installation, clear the B0114 code and verify operation.
If the actuator and wiring are functional but the code persists after a software update, the BCM may have internal damage. Replacement units are VIN‑matched; a new module is programmed to the vehicle’s specific configuration before shipment.
Cost Estimates
Service Recommendation: Most issues related to this fault are diagnosed and corrected through inspection, wiring repair, and calibration rather than module replacement. For modules not typically replaced through aftermarket suppliers, diagnosis and repair should be performed by a certified automotive technician with access to factory service information and tooling.