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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> C1154 Transmission Range Switch >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen item(Trouble diagnosis content) DTC detected condition
C1154- 01 PNP POSI SIG(PNP position signal) Diagnosis condition When ignition switch is ON.
Signal (terminal) Shift position signal
Threshold When a malfunction is detected in TCM system.
Diagnosis delay time 2 seconds

POSSIBLE CAUSE 

NOTE: SYMBOL Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear the DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
PAST DTC CRNT DTC
  • Harness or connector
  • Transmission range switch
  • Harness or connector
  • ABS actuator and electric unit (control unit)
  • TCM
  • Transmission range switch

FAIL-SAFE 

The following systems are suspended: