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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes) >> Air Suspension System >> DTC C1794: Height Control OFF Switch Circuit (Test Mode DTC) (TO 08/2009) >> Description

DTC C1794: Height Control OFF Switch Circuit (Test Mode DTC) (TO 08/2009): Description

If the height control OFF switch is pressed when the vehicle is stopped with the engine running or the engine switch on (IG), vehicle height control will be disabled and remain disabled even after the engine switch is turned off. In this case, "HEIGHT CONTROL OFF" will be displayed on the multi-information display in the combination meter assembly. Pressing the height control OFF switch again with the engine running or the engine switch on (IG) will resume the vehicle height control. If the vehicle speed reaches approximately 30 km/h when the vehicle height control is disabled, vehicle height control will automatically resume.

DTC No. DTC Detecting Condition Trouble Area
C1794 Detected only during Test Mode.
  • Height control OFF switch
  • Harness or connector
  • Suspension control ECU