How do you fix this 0354 code?

Question

How do you fix this code 0354 for Scion XB.

Answer 1

Hi there

This code is for the ignition coil #4 primary/secondary circuit.

Most of the time replacing the #4 coil will resolve this problem. If not, then check the wiring to the coil itself and make sure none of the insulation has rubbed of an is causing the wiring to short out.