FixVault

DTC U3000-49 (VSA Control Unit)

DTC U3000-49  : ECU Internal Circuit Failure

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC Description DTC
U3000-49 ECU Internal Circuit Failure  

DTC (VSA)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

    -4. Check for DTCs with the HDS.

    DTC Description DTC
    U3000-49 ECU Internal Circuit Failure  

    Is DTC U3000-49 indicated?

    YES 

    Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit .

    NO 

    Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .