Code Definition

B0080 — Discard LHF side impact sensor

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

About B0080

B0080 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 B0080 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 B0080 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 airbag control module (ACM) sets DTC B0080 when it has flagged the Left Hand Front (LHF) side impact sensor as a discard component, meaning the sensor has been marked internally or externally as no longer serviceable. This typically occurs after the sensor has been subjected to a crash event exceeding its rated threshold (even if airbags did not deploy on that side), after the sensor reports an internal integrity failure, or after the ACM has recorded persistent invalid data patterns that indicate the sensor cannot be trusted for future deployment decisions. Many manufacturers require sate...

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