Code Definition

B0052 — Deployment Commanded

System: Body  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About B0052

B0052 is a generic (obd-ii standard) body diagnostic trouble code. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

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.

Because B0052 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

This fault code is recorded by the Supplemental Restraint System (SRS) control module when a deployment command has been registered for one or more airbag or pretensioner devices. The code indicates that the module has completed an actual deployment event, either during a crash or due to an unintended command signal. It is typically a latched history code and does not represent a current live fault, but rather a record of a past deployment condition. Because it is latched, the airbag warning lamp will remain illuminated and the SRS system stays disabled until the deployed components are replac...

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