DTC Description
WARNING: This page is about a different variant/trim than selected.
BMS ECU sets DTC U1001 when H-CAN Communication error occurs among controllers Although it occurs, the service lamp is not turned on. If it is recovery to a normal state, the current DTC will delete after lasting 2 terms driving cycle (IG ON/OFF), and then generate a historic DTC (H Character is displayed at the end of the DTC code).
At the same time the service lamp turns off, the scantool could delete the historic DTC.