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PRE-COLLISION SYSTEM(for Stereo Camera Type), Diagnostic DTC:U041881

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DTC Code DTC Name
U041881 Invalid Data Received from Brake System Control Module Invalid Serial Data Received
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DESCRIPTION

Driving support ECU assembly receives the vehicle information from the skid control ECU assembly via CAN communication line.

If the driving support ECU assembly can not receive normal serial data, DTC U041881 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U041881 Invalid Data Received from Brake System Control Module Invalid Serial Data Received The driving support ECU assembly can not receive normal serial data.

  • Driving support ECU assembly

  • Skid control ECU assembly

 Driving support ECU assembly (Pre-Collision System)
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CAUTION / NOTICE / HINT

Note:

  • When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.

  • After the skid control ECU assembly is replaced, perform the yaw rate sensor and G sensor zero point calibration and store the system information.

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PROCEDURE


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    CHECK FOR DTC (ABS/VSC/TRAC)


    1. Check for DTCs.

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      1. Chassis > ABS/VSC/TRAC > Trouble Codes


      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG