Code Definition

B2384 — Audio Reverse Aid Mute Input Ckt Failure

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

About B2384

B2384 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.

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 B2384 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 with reverse parking aid sensors, the parking aid module provides a mute request signal to the audio system so that the audio level is automatically lowered while the parking aid tones are sounding. The audio module monitors this mute input and reduces playback volume when the request is active. DTC B2384 sets when the audio module or controlling module detects a general failure on the reverse aid mute input circuit, meaning the input is not behaving correctly through reverse gear engagement cycles or is reading invalid voltage levels that do not match either the active or inactive...

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