DTC 56/61/64: Left Front/Right Front/Rear Motor Circuit Open: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1998 Suzuki X-90, 1998 Suzuki Sidekick, 1997 Suzuki X-90, 1997 Suzuki Sidekick, and 1996 Suzuki X-90. However, it is still accessible from the selected car via links, so may be relevant.
DTC 56/61/64 can only be set when motor is commanded off. EBCM detects out of range voltage on ANY motor circuit (indicating an open circuit).