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PRE-COLLISION SYSTEM(for Stereo Camera Type), Diagnostic DTC:U032851, U032857

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DTC Code DTC Name
U032851 Software Incompatibility with Steering Angle Sensor Module Not Programmed
U032857 Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component
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DESCRIPTION

Driving support ECU assembly receives the steering sensor information from the VGRS ECU (front steering control ECU) via CAN communication line.

If the driving support ECU assembly can not store the steering sensor information, DTC U032851 is stored.

If the steering sensor information stored in the driving support ECU assembly is different from that stored in the VGRS ECU (front steering control ECU), DTC U032857 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U032851 Software Incompatibility with Steering Angle Sensor Module Not Programmed With 3 seconds elapsed after the power switch is on (IG), the vehicle information sent from VGRS ECU (front steering control ECU) remains undefined.

  • Driving support ECU assembly

  • VGRS ECU (front steering control ECU)

 Driving support ECU assembly (Driving Support Computer)
U032857 Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component With 3 seconds elapsed after the power switch is on (IG), the stored value for the vehicle information in the object recognition camera unmatches the received value from VGRS ECU (front steering control ECU).

  • Driving support ECU assembly

  • VGRS ECU (front steering control ECU)

 Driving support ECU assembly (Driving Support Computer)
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PROCEDURE


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    REPLACE VGRS ECU (FRONT STEERING CONTROL ECU)


    1. Replace the VGRS ECU (front steering control ECU).

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      Result
      Proceed to
      NEXT

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      END