No, 2 are for the fuel pump and 3 are for controlling the pump electronics.
You can try to isolate the problem.
Remove 2 wire cables from the pump. Erase the fault memory, then start the engine, check the fault memory to see whether the fault occurs again. If not, then the pump is defective.
If so, remove the 3-wire cable from the electronics.
Erase the fault memory, then start the engine, check the fault memory to see whether the fault occurs again.
If not, the electronics are defective.
If so, check the wiring to the ZFE for a short circuit.
If OK , then ZFE defective