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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Multi Av (Av Control Unit) >> B1356 Ecu DSP >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms(Trouble diagnosis content) DTC detection condition
B1356-49 ECU DSP(AV control unit internal fault) [-] Diagnosis condition When ignition switch is ON.
Signal (terminal) -
Threshold Internal fault
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE 

Internal electronic failure

FAIL-SAFE 

AV control unit DSP error