Code Definition

B1383 — Oil Level Lamp Circuit Short To Battery

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

About B1383

B1383 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 B1383 is stored, the module has detected a short-circuit (voltage pulled to ground or to supply) 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.

B1383 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 receives switched ignition power on one side, and the controlling module switches the ground path on or off through a low side driver to illuminate the lamp. DTC B1383 sets when the control module detects that its lamp output circuit is sitting at battery voltage when it should be low or open, indicating a short to a 12V supply somewhere between the modul...

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