DTC P1211: VDC/TCS/Abs Control Unit: Description
WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
The malfunction information related to ABS, ABS/TCS or VDC/TCS/ABS is transferred through the CAN communication line from ABS actuator and electric unit, 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 actuator and electric unit, ABS/TCS control unit or VDC/TCS/ABS control unit but also for ECM after the VDC/TCS/ABS related repair.