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Home >> Lexus >> 2017 >> RX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Dynamic Torque Control AWD System - Diagnostic Codes & Circuit Tests) >> Dynamic Torque Control AWD System >> DTC C1299/99: Cancellation of 4WD Control [09/2015 - 08/2019] >> Description

DTC C1299/99: Cancellation of 4WD Control [09/2015 - 08/2019]: Description

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This DTC is stored if the heat generated by the transmission coupling assembly exceeds a certain amount or the estimated oil temperature of the transfer exceeds a certain amount while driving.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1299/99 Cancellation of 4WD Control When one of the following conditions is met:
  • The heat generated by the differential coupling exceeds a certain amount.
  • The estimated oil temperature of the transfer exceeds a certain amount.
  • Condition, size or tire pressure of the front or rear tires
  • Vehicle stability control system
  • Suspension and ball joint
  • Drive shaft
  • Propeller shaft
  • Transmission coupling assembly
  • 4WD ECU assembly