Knock sensor 2 circuit High Voltage

Tiny
JOE WRIGHT2
  • MEMBER
  • 2012 CADILLAC CTS
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Replaced starter, had to remove knock sensor to do that.
Reinstalled and plugged back in, now getting check engine, with above code.
Removed sensor again, (had to remove cat pipe again, ughh)
There is no ohm reading at the sensor terminal, should there be?

How do I check the wiring, and what do I look for?
What terminals at the ecu is that sensor located?

I ordered a new sensor, for today. But if it’s a wiring problem, how do I troubleshoot it
Thanks, Joe
Wednesday, April 26th, 2023 AT 6:58 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
Glad to hear you found it. Thanks for the update.
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Sunday, April 30th, 2023 AT 3:06 AM

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