Code P0135, PCM pinout diagram needed?

Tiny
JEFF HARLEY
  • MEMBER
  • 2015 FORD EXPLORER
  • 3.5L
  • V6
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
I had a whole list of codes for b1s1 on my vehicle. I found that the plug was chewed up at the harness and three wires were shorted out. I replaced the plug now I'm getting a P0135 code. I have a wiring diagram but need a PCM pinout diagram to try to further diagnose the issue.
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Friday, September 23rd, 2022 AT 9:41 AM

7 Replies

Tiny
KEN L
  • ADMIN
P0135 code indicating the O2 sensor heater circuit bank 1 sensor 1 O2 sensor which is common just replace the sensor. Also, here are the pinouts for the PCM as you requested. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Friday, September 23rd, 2022 AT 2:09 PM
Tiny
JEFF HARLEY
  • MEMBER
Thanks, I'll try swapping out the o2 sensor. However, the PCM pin is different on my Explorer. I have the 3.5l Eco boost if that makes a difference. It's a 198 pin style and the PCM looks like the attached picture.
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Friday, September 23rd, 2022 AT 2:33 PM
Tiny
KEN L
  • ADMIN
Yep, it is different pinouts here they are in the images below. Let me know what happens.
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Saturday, September 24th, 2022 AT 10:13 AM
Tiny
JEFF HARLEY
  • MEMBER
Thank you so much for the pin out. You were correct that it ended up being a bad o2 sensor as well. I just assumed the worst after having chewed up wires I guess lol. Thank you again for all of your help.
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Saturday, September 24th, 2022 AT 4:48 PM
Tiny
KEN L
  • ADMIN
Nice work, we are here to help, please use 2CarPros anytime. Can you please leave us a rating? (Copy entire link)

https://www.google.com/search?q=2carpros&gs_ivs=1#lrd=0x80dcd47364be5d0d:0xba091aa4209f4497,1,,,&tts=0

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I would appreciate it.
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Sunday, September 25th, 2022 AT 12:39 PM
Tiny
JEFF HARLEY
  • MEMBER
So, I thought it was fixed and now Im getting a p2243 for voltage circuit open. Any thoughts?
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Monday, September 26th, 2022 AT 3:13 PM
Tiny
KEN L
  • ADMIN
Let start a new question for the p2243 code please. Post your new question here, you must be logged in.

https://www.2carpros.com/questions/new

Cheers, Ken
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Tuesday, September 27th, 2022 AT 12:26 PM

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