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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System (DTCS) >> DTC Diagnosis >> Abs [Abs Actuator And Electric Unit (Control Unit)] >> DTC C1118: Transfer Control Unit >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC Display Item
(Trouble diagnosis content)
Malfunction detected condition
C1118 4WD SYSTEM
(4WD system)
When a malfunction is detected in transfer control unit system.

POSSIBLE CAUSE 

NOTE: Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.
PAST DTC CRNT DTC
  • Harness or connector
  • ABS actuator and electric unit (control unit) power supply system
  • Fuse
  • Fusible link
  • 12 V battery
  • CAN communication line
  • Transfer control unit
  • ABS actuator and electric unit (control unit)
  • CAN communication line

FAIL-SAFE 

The following functions are suspended.