Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 4) >> SFI System >> DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [10/2015 - ] >> Typical Malfunction Thresholds