Basically it is possible, but i learnd it comes with issues.
In this thread the topic was discussed:
U should choose a main ECU for each sensor and connect sensors ground + voltage supply to it and just rout the signal line to the second ECU (to a high resistance input). Both ECUs should have a common main ground or wire to connect both grounds as short as possible (same for 12V supply for both ECUs). Wired like that the main ECU will have a good reading of the signal…the second ECU will have a slightly corrupted reading depending on ur grounding situation.
If u connect sensor grounds of both ECUs or try to connect supply voltage for the sensors of both ECUs u will corrupt the signal for both ECUs.
But i think u should try to avoid doing it like that…just if u don’t have an other option. Best way would be share signals via CAN.