Code Definition

B0010 (1C) — LHF airbag squib diagnostic Circuit voltage malfunction

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

About B0010

B0010 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 B0010 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

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 B0010 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

The Restraints Control Module (RCM) runs continuous self diagnostics on the left hand front (LHF) airbag squib circuit, watching the diagnostic voltage it places across the squib loop to confirm the firing circuit is healthy. DTC B0010 sub code 1C sets when that diagnostic voltage is abnormal, neither a clean open nor a clean short, but a level that sits outside the expected range during the monitoring cycle. This usually results from unstable circuit resistance, intermittent connector contact, or a supply or ground disturbance affecting the squib loop reference. When the fault is stored the R...

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