FixVault

Diagnostic Trouble Code Table

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION TABLE

DTC No. Detection Item Trouble Area
C1711/11  Right Front Height Control Sensor Circuit
  • Right front height control sensor
  • Suspension control ECU
  • Wire harness
C1712/12  Left Front Height Control Sensor Circuit
  • Left front height control sensor
  • Suspension control ECU
  • Wire harness
C1713/13  Rear Height Control Sensor Circuit Malfunction
  • Rear height control sensor
  • Suspension control ECU
  • Wire harness
C1718/18  Pressure Sensor Circuit Malfunction
  • Fluid pressure sensor
  • Suspension control ECU
  • Wire harness
C1719/19  Oil Temperature Sensor Circuit Malfunction
  • Fluid temperature sensor
  • Suspension control ECU
  • Wire harness
C1721/21  Front Damping Force Control Actuator Circuit Malfunction
  • Front damping force control actuator
  • Suspension control ECU
  • Wire harness
C1723/23  Rear Damping Force Control Actuator Circuit Malfunction
  • Rear damping force control actuator
  • Suspension control ECU
  • Wire harness
C1731/31  Front Height Control Gate Solenoid Valve Circuit Malfunction
  • Front gate valve solenoid
  • Suspension control ECU
  • Wire harness
C1732/32  Front Height Control Leveling Solenoid Valve Circuit Malfunction
  • Front leveling valve solenoid
  • Suspension control ECU
  • Wire harness
C1733/33  Rear Height Control Gate Solenoid Valve Circuit Malfunction
  • Rear gate valve solenoid
  • Suspension control ECU
  • Wire harness
C1734/34  Rear Height Control Leveling Solenoid Valve Circuit Malfunction
  • Rear leveling valve solenoid
  • Suspension control ECU
  • Wire harness
C1736/36  Accumulator Solenoid Valve Circuit Malfunction
  • Accumulator solenoid
  • Suspension control ECU
  • Wire harness
C1741/41  Compressor Relay Coil Malfunction
  • AHC motor relay
  • Suspension control ECU
  • Wire harness
C1743/43  Height Control Main Relay Malfunction
  • AHC main relay
  • Suspension control ECU
  • Wire harness
C1751/51  Continuous Electric Current to Height Control Compressor
  • AHC pump and motor
  • AHC motor relay
  • Height control sensor link comes off
  • Fluid leakage from the fluid line or each solenoid valve
  • Fluid clog in the fluid line or each solenoid valve
  • Torsion bar spring
  • Suspension control ECU
  • Wire harness
  • Suspension control ECU
  • Wire harness
C1761/61  ECU Malfunction
  • ECU internal memory error
  • Suspension control ECU
C1762/62  Abnormal Oil Pressure for Pump
  • AHC pump and motor
  • Fluid pressure sensor
  • AHC motor relay
  • Fluid empty
  • Suspension control ECU
  • Wire harness
C1763/63  Abnormal Oil Pressure due to not Opening Leveling Valve
  • Control valve assembly
  • Fluid pressure sensor
  • Fluid clog in the fluid line or each solenoid valve
  • Suspension control ECU
  • Wire harness
C1764/64  Abnormal Oil Pressure due to not Opening Accumulator Valve
  • Height control accumulator
  • Fluid pressure sensor
  • Fluid clog in the fluid line or each solenoid valve
  • Suspension control ECU
  • Wire harness
C1776/76  Speed Sensor Circuit
  • Front speed sensor circuit
  • Right front height control sensor
  • Left front height control sensor
  • Rear height control sensor
  • Suspension control ECU
  • Wire harness
C1781/81  Steering Angle Sensor Circuit
  • Steering angle sensor
  • Suspension control ECU
  • Wire harness
C1782/82  Stop Light Switch Circuit
  • Stop light switch
  • Suspension control ECU
  • Wire harness
C1783/83  Door Courtesy Switch Circuit
  • Door courtesy switch
  • Instrument ECU
  • Suspension control ECU
  • Wire harness
C1786/86  Height Control Switch Circuit
  • Suspension control switch (height select switch)
  • Suspension control ECU
  • Wire harness
C1787/87  Absorber Control Switch Circuit
  • Suspension control switch (damping mode select switch)
  • Suspension control ECU
  • Wire harness
C1788/88  Height Control OFF Switch Circuit
  • Suspension control switch (height control switch)
  • Suspension control ECU
  • Wire harness
C1789/89  L4 Switch Circuit Malfunction
  • L4 position switch
  • Suspension control ECU
  • Wire harness
C1794/94  Right Front Speed Sensor Circuit
  • Right front speed sensor
  • Skid control ECU
  • Suspension control ECU
  • Wire harness
C1795/95  Left Front Speed Sensor Circuit
  • Left front speed sensor
  • Skid control ECU
  • Suspension control ECU
  • Wire harness
C1796/96  Differential Lock Detect Signal Circuit Malfunction
  • Center differential lock position switch
  • Suspension control ECU
  • Wire harness