B0274
Trunk Lid Release Switch Circuit
The body control module has detected a fault in the trunk lid release switch circuit. The trunk may not open via the interior or remote release.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: easy
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Release switch failedCommon
- Wiring openPossible
Parts involved
- Trunk Release Switch
- Body Wiring Harness
B0274 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.