Code Definition

B2119 — Compressor Failure

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

About B2119

B2119 is a generic (obd-ii standard) 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.

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 B2119 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 Air Suspension Control Module monitors the on board air compressor that pressurises the air springs at each corner of the vehicle and refills the reservoir on equipped systems. DTC B2119 sets when the control module commands the compressor to operate and the resulting pressure rise, run time, or current draw falls outside the expected range, indicating the compressor has failed to perform its commanded function. The compressor is an electric motor driven piston pump fitted with thermal protection and a dryer cartridge, and is typically located in a frame mounted enclosure or in a body cavi...

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