The LEAF has 3 CAN buses (3 pairs of pins) on the OBD connector.
Each CAN bus has multiple "controller/modules" on it.
For SOC, and Pack Volts & Amps, we need the EV-CAN bus, on pins 13 (H) and 12 (L).
Normal cars typically use 6 and 14 for their CAN bus, I believe, and/or maybe 10 and 2 for a "J1850 Bus" (whatever that is).
More later, need to -> doctor now.
Hertz has rental LEAFs in NYC.
Later, Gary