OBDII Code List

C1731 TOYOTA - Front Gate Valve Solenoid Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Front Gate Valve Solenoid
  • Front Gate Valve Solenoid harness is open or shorted
  • Front Gate Valve Solenoid circuit poor electrical connection
  • Faulty Suspension Electronic Control Unit (ECU)

Possible symptoms

  • Active Height Control (AHC) Suspension Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1731 Toyota Description

The Control Valve Assembly consist of each front and rear leveling valve and gate valve and performs the height control and connecting and disconnecting the fluid line of the right and left shock absorber by operating the solenoid valve ON and OFF with the control signal from the Electronic Control Unit (ECU).
OBDII Code C1731 Toyota - Front Gate Valve Solenoid Circuit -

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C1731 TOYOTA Comments

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