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Electrical wiring diagram for front bumper, GM radar sensors?

Tiny
PAWEL_N
  • MEMBER
  • 2016 CADILLAC ESCALADE ESV
  • 6.2L
  • V8
  • 4WD
  • AUTOMATIC
  • 50,000 MILES
Hello,

I have a problem with front GM radar sensors. There is PCM error and parktronic do not working. This car is after car accident, the front bumper was damaged. I bought some new parts and replaced. I bought new wiring and two identical front GM radar sensors number 84112235. I marked left one on the picture. There is PCM error - left side. My question - Are the left and right sensors the same? Or is the left sensor different than right one? What parts number are these sensors? Why is there only left sensor error?
I am waiting for your reply.
Have a nice day,
Pawel
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Friday, October 6th, 2023 AT 1:43 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Yes, there are two object sensors for each position, 2 right front 2 left front, 2 right rear and 2 left rear. Here is the parking assistant wiring diagrams as requested, you can see the color wiring that go to the correct sensor for clarification.
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Friday, October 6th, 2023 AT 10:08 AM
Tiny
PAWEL_N
  • MEMBER
  • 173 POSTS
Thank you for your reply. Could you please tell me if radar sensor number 84112235 is it the same part as object sensor? There are 2 pcs of radar sensor front only. And there are 4 pcs of other sensors. I think that it is not the same sensors.
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Friday, October 6th, 2023 AT 11:32 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Here is the part number for the Forward Collision Alert Sensor - 84208369 - $26.11
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Saturday, October 7th, 2023 AT 8:09 AM
Tiny
PAWEL_N
  • MEMBER
  • 173 POSTS
The Forward Collision Alert Sensor was the problem, it was faulty. After replacing the radar sensor started working.
Thank you Ken :-)
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Wednesday, October 11th, 2023 AT 11:56 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
You are welcome, please use 2CarPros anytime we are here to help.
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Thursday, October 12th, 2023 AT 10:07 AM

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