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Home >> Lexus >> 2015 >> GS 450h Base >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Adaptive Variable Suspension System (Diagnostic Codes (C1715 - U0126)) >> Adaptive Variable Suspension System >> DTC C1781: Suspension Control ECU Malfunction [09/2014 - ] >> Description

DTC C1781: Suspension Control ECU Malfunction [09/2014 - ]: Description

If a malfunction in the absorber control ECU is detected, DTC C1781 is stored.

DTC Code Detection Condition Trouble Area
C1781 Either condition is met:
  • A nonvolatile memory write or read error occurs.
  • A CAN communication register is stuck.
  • Absorber control ECU
  • CAN communication system