DTC P1211: VDC/TCS/Abs Control Unit: Description
WARNING: This page is about a different car, the 2004 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
The malfunction information related to ABS/TCS or VDC/TCS/ABS is transferred through the CAN communication line from ABS/TCS control unit or VDC/TCS/ABS control unit to ECM.
Be sure to erase the malfunction information such as DTC not only for ABS/TCS control unit or VDC/TCS/ABS control unit but also for ECM after the ABS/TCS or VDC/TCS/ABS related repair.