Code Definition

B0084 — Right Side Impact Sensor 1

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

About B0084

B0084 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.

When B0084 is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

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 B0084 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 DTC is set by the Supplemental Restraint System (SRS) control module when it detects a fault in the signal circuit of the right side impact sensor 1, typically mounted on the right B pillar or door structure. The module monitors the sensor signal and reference voltages during key on and continuous self diagnostics so that side impact data is available. The code is triggered if the circuit shows an open, a short to ground or voltage, or an invalid signal range. When this code is set the airbag warning lamp illuminates and side airbag or curtain deployment on the right side may be inhibited...

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