Code Definition

B1385 — Oil Level Lamp Circuit Open

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

About B1385

B1385 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 B1385 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.

B1385 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 oil level warning lamp is a driver alert used to indicate low engine oil level, controlled by the instrument cluster or body control module based on input from the oil level sensor or oil level switch in the sump. In most designs the lamp is supplied with switched ignition power on one side and the controlling module switches the ground side on or off through a low side driver, with internal current sense feedback used to confirm the lamp is connected and drawing current. DTC B1385 sets when the control module commands the lamp output but detects no current flow, indicating an open circuit...

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