Code Definition

B2476 — Radio Present Switch Circuit Failure

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

About B2476

B2476 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 B2476 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

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 B2476 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) or instrument panel cluster monitors a radio present switch input which indicates whether the factory radio is installed in the dash mounting position. The switch is typically a small contact closed by the physical presence of the radio chassis, or a low level signal supplied by the radio itself when powered up and reported back to the BCM over a dedicated wire. DTC B2476 is set when the BCM detects a failure in this circuit, either an open circuit when the radio should be present, a short circuit, or a signal value outside the expected range. When this code is ac...

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