Code Definition

B2588 — Child Seat Detection Circuit Short To Battery

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

About B2588

B2588 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 B2588 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.

Because B2588 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

On vehicles equipped with a child seat detection feature, a transponder or coil antenna in the passenger seat cushion identifies when a manufacturer approved child restraint is installed. The Occupant Detection Module or Restraints Control Module combines this input with the weight sensing data to decide whether to suppress the passenger airbag during a deployment event. DTC B2588 sets when the module detects the child seat detection signal circuit shorted to battery voltage, with the input held above the upper diagnostic threshold. The system applies a controlled reference to the antenna and ...

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