Code Definition

B1919 — Airbag Memory Clear Circuit Short To Battery

System: Body  |  Type: Manufacturer-Specific  |  Make: Ford

About B1919

B1919 is a manufacturer-specific body diagnostic trouble code recorded for Ford vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1919 is stored, the module has detected a short-circuit (voltage pulled to ground or to supply) in the monitored circuit.

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.

B1919 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

DTC B1919 indicates that the Restraint Control Module (RCM, known as the Diagnostic Monitor on earlier Ford SRS platforms) has detected battery voltage on the memory clear input circuit when only a low level service or pull up signal is expected. The memory clear circuit is the service signal path between the RCM and the diagnostic link connector (or a dedicated SRS service connector on some platforms) that allows authorised tooling to acknowledge a repaired fault and clear non volatile fault memory. The RCM monitors the voltage on this input on every ignition cycle and sets this code when the...

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