Looked up in the shop manual:
P1640- Roll Over detection disabled due to Inertial Measurement Unit (IMU) malfunction
P1695 - CAN fault - lost communication with instrument panel
P16A2 - Engine ECM detects IMU present but with signal error
It points to the IMU having a problem. If the fault is cleared after 40 start cycles the MIL light will clear or just use TuneECU and clear them and see if they come back.
Shop Manual Instructions:
Make sure ABS modulator connector is secure. Check for associated DTC C1713, perform tests for this DTC. Reset DTCs, if problem persists contact Triumph service.