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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P2101 (Except Hybrid) >> DTC P1148, P1168: Closed Loop Control >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P1148 CLOSED LOOP-B1 (Closed loop bank 1) The closed loop control function for bank 1 does not operate even when vehicle is being driven in the specified condition.
P1168 CLOSED LOOP-B2 (Closed loop bank 2) The closed loop control function for bank 2 does not operate even when vehicle is being driven in the specified condition.
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