Code Definition

B1376 — Oil Change Lamp Circuit Short To Battery

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

About B1376

B1376 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 B1376 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.

B1376 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 change lamp circuit is part of the body or instrument cluster control system that drives the maintenance reminder indicator on the dashboard. DTC B1376 sets when the controlling module detects voltage on the lamp control wire when the output should be commanding the lamp off, indicating a short to battery condition somewhere between the module driver and the bulb or LED. The module typically drives the lamp by switching the ground side of the circuit, so an unexpected high voltage on the control wire suggests battery voltage has bridged onto the circuit through chafed insulation, a dam...

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