Code Definition

B1455 — Wiper Washer Fluid Lamp Circuit Open

System: Body  |  Type: Manufacturer-Specific  |  Make: Generic

About B1455

B1455 is a manufacturer-specific body diagnostic trouble code. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1455 is stored, the module has detected an open (broken or disconnected) electrical path in the monitored circuit.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B1455 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The wiper washer fluid lamp circuit drives the dashboard indicator that warns the driver when washer fluid is low, controlled by the Body Control Module (BCM) or instrument cluster based on input from the washer fluid level sensor in the reservoir. The level sensor is typically a reed switch operated by a magnetic float that closes a circuit to ground when fluid drops below a threshold. DTC B1455 is set when the controlling module detects an open circuit on either the level sensor input wire or the lamp output drive circuit, sensed by an absence of expected current flow or a loss of feedback v...

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