Code Definition

B2619 — Second Front Data Failure

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

About B2619

B2619 is a generic (obd-ii standard) body diagnostic trouble code recorded for Honda vehicles. 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 B2619 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 Body Control Module (BCM) exchanges multiplexed data frames with other front body control units over the vehicle CAN network. DTC B2619 is stored when the BCM detects that the second front data segment expected from a corresponding control unit is not received, is corrupted, or fails data integrity checks such as sequence or CRC validation for a specified period. This represents a loss of valid communication data rather than a direct sensor or actuator malfunction. Depending on which module has dropped off the bus, the driver may notice inoperative or erratic body functions such as exterio...

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