Code P2304 Ignition Coil B curcuit high

Question

Check engine light is on and engine runs rough. Code P2304 Ignition Coil B curcuit high is the code. have changed out the coil on no 2 and rotated the coils between the various cylinders, but no change in code. What else shoud I check?

Answer 1

P2304 Ignition coil 2 circuit high

Do a PCM verification test,use a test light , you will be testing the control side of the harness to coil 2 with the test light in place crank the engine the test light should blink if it does not check for open, test it ip to the PCM , If the test light does not show a blinking light replace the PCM