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Active Height Control & Adaptive Variable Suspension DTCS

NOTE: Retrieval of some diagnostic codes may require the use of special OEM tester or flash method using instrument cluster indicator. For procedures/testing of codes not shown below, refer to appropriate system article.
ACTIVE HEIGHT CONTROL & ADAPTIVE VARIABLE SUSPENSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
C1711/11 to C1713/13 Height Control Sensor Circuit
C1718/18 Fluid Pressure Sensor Circuit
C1719/19 Fluid Temperature Sensor Circuit
C1721/21, C1723/23 Damping Force Control Actuator Circuit
C1731/31 to C1736/36 Control Valve Solenoid and Accumulator Solenoid Circuit
C1741/41 AHC Motor Relay Circuit
C1743/43 AHC Main Relay Circuit
C1751/51 AHC Pump & Motor Circuit
C1761/61 Malfunction in ECU (Memory Error)
C1762/62 Fluid Pressure Abnormality (Pump & Motor Does Not Supply Fluid)
C1763/63, C1764/64 Fluid Pressure Abnormality (Valve Does Not Open)
C1776/76 Speed Sensor Circuit Abnormal
C1781/81 Steering Angle Sensor Circuit
C1782/82 Stop Light Switch Circuit
C1783/83 Door Courtesy Switch Circuit
C1786/86 Height Select Switch Circuit
C1787/87 Damping Mode Select Switch Circuit
C1788/88 Height Control Switch Circuit
C1789/89 L4 Position Switch Circuit
C1794/94, C1795/95 Vehicle Speed Sensor Circuit
C1796/96 Center DIFF. Lock Position Switch Circuit