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If the chassis No. data is not written when the ETACS-ECU is replaced, the ETACS-ECU sets diagnosis code No. B1761.
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- Chassis No. not written
- Damaged harness wires and connectors
- Malfunction of ETACS-ECU
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Use the M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ).
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Write the chassis No. data to the ETACS-ECU.
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Q.
Is diagnosis code No.B1761 set?
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Replace the ETACS-ECU (Refer to GROUP 54A - ETACS, ETACS-ECU ).
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The procedure is complete.
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