2002 Ford Explorer Reverse sensors

Tiny
99FSD250
  • MEMBER
  • 2002 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 41,000 MILES
When you move the shift lever to reserve the reverse sensors will turn off. As long as it is in reverse you can not turn them back on.
This started out as an intermittent problem but now is all the time. No check engine light and no codes.
Rear bumper is clean and there are no obstructions like cargo carriers or anything.
Thanks for any help!
Monday, November 24th, 2014 AT 3:06 PM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Reverse sensors? Sensors for what? What, specifically are you referring to?
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Monday, November 24th, 2014 AT 3:59 PM
Tiny
99FSD250
  • MEMBER
  • 4 POSTS
Some people call them back up sensors. There are four of them mounted in the rear bumper.
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Monday, November 24th, 2014 AT 6:34 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You must be referring to the Parking assistance sensors. It's going to be hard for you to do anything yourself without some very expensive equipment to see what the computer is seeing. There is a control module that operates that system and it communicate with the PCM to share info.
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Monday, November 24th, 2014 AT 6:44 PM
Tiny
99FSD250
  • MEMBER
  • 4 POSTS
OK Thanks
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Monday, November 24th, 2014 AT 7:26 PM
Tiny
99FSD250
  • MEMBER
  • 4 POSTS
The reason I referred to the sensors as reverse sensors is because in 2002 when my Explorer was built Ford Motor Co. Called it a Reverse Sensing System. I do not know when the term. Was changed but that is what Ford used in 2002. They were a $255 option. Bet it cost more than that if I decide to have them fixed. LOL
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Monday, November 24th, 2014 AT 8:12 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
It always does

https://www.2carpros.com/images/external/130998952.gif
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Tuesday, November 25th, 2014 AT 2:03 AM
Tiny
99FSD250
  • MEMBER
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Thanks for the diagram!
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Tuesday, November 25th, 2014 AT 3:44 AM

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