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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Driver Assistance System (DTC/Circuit Diagnosis) (BCI) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC C1B56: Sonar Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC
(On board display)		 Trouble diagnosis name DTC detecting condition Possible cause
C1B56
(87)		 SONAR CIRCUIT MALF ADAS control unit detects that rear sonar circuit has a malfunction. Sonar control unit
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