Code P2305?

Tiny
MGOLDE57
  • MEMBER
  • 2008 JEEP WRANGLER
  • 3.8L
  • V6
  • 4WD
  • AUTOMATIC
  • 87,500 MILES
I replaced plugs, wires and coil. I'm still experiencing misfires. Could the problem be the PCM?
Saturday, September 2nd, 2023 AT 10:21 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The P2305 trouble code is a generic powertrain code that indicates a problem in the ignition coil "B" secondary circuit. So, it will be a wiring issue or a bad PCM.

Here is a guide to help you test the wiring between the coil and PCM and the PCM/coil wiring diagrams below to help you with the test:

https://www.2carpros.com/articles/how-to-check-wiring

If the wiring is good here is how to change the PCM out, this guide may help as well. You can get a preprogrammed unit by searching Google or Ebay.

Check out the images (below). Please let us know how it goes.

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Saturday, September 2nd, 2023 AT 6:32 PM

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