AIR SUSPENSION SYSTEM, Diagnostic DTC:C178004

DTC Code DTC Name
C178004 ECU Malfunction System Internal Failure

DESCRIPTION

If a malfunction in the suspension control ECU is detected, DTC C178004 is output.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
C178004 ECU Malfunction System Internal Failure

When either condition is met:


  • A nonvolatile memory write or read error occurs.

  • A CAN communication register is stuck.

 Suspension control ECU malfunction Comes on Yes

CAUTION / NOTICE / HINT

Note


  • Before performing troubleshooting, inspect the connectors of related circuits.

  • After replacing the suspension control ECU with a new one, perform vehicle height offset.

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PROCEDURE


  1. REPLACE SUSPENSION CONTROL ECU


    1. Replace suspension control ECU.

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      Result
      Proceed to
      NEXT

    NEXT

    END