Originally Posted by PowerSource
ABS/EBCM/Traction Control is what takes it out of hill mode. Should not trigger RPM though. Get a handheld scanner and post the codes. Can borrow one from Autozone for free.
P0A4C Generator Position Sensor Circuit Range/Performance
UO293 Lost Communication Hybrid Powertrain Control Module
P0AE7 Hybrid Battery Precharge Contactor Control Circuit High
This was the printout from Autozone