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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Audio System & Navigation System (DTCS) (2 Of 2) >> ANC (Active Noise Control Unit) >> DTC B1F20-29: ASC Volume Control Can Communication Fail (Meter) >> DTC Description >> Without BOSE Audio >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1F20-29

CAN SIG ERROR/ASC

(CAN signal error/active sound enhancement)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

CAN communication signal

Threshold

Data error

Diagnosis delay time

30 seconds or more