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Parking sensors always off


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3 replies to this topic

#1 OFFLINE   notquitesane

notquitesane

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 89 posts
  • Region:Canada Prairie Provinces
  • LocationEdmonton
  • My C-MAX's Year:2015
  • Current Vehicle:C-MAX SEL 303A

Posted 27 April 2018 - 02:15 PM

I have the parking sensors and they are wonderful when they work.  Over the past couple weeks, the parking sensor on/off button will intermittently indicate OFF and won't turn on.  Now it will immediately turn off as soon as I shift out of park into reverse.  I've gone behind the car with the ignition on, car not running and in reverse.  I can hear each of the 3 sensors tick, but only if I press my finger against them.

 

Has anyone had this happen and get it fixed?  If it is one of the sensors, I do believe the rear bumper cover has to come off, as I could not see the sensors from under the car.  I've also found the wiring harness the sensors are connected to, with a connector right before it goes inside the body of the car.  I'll pop that open and see if there is any contamination or anything like that.

 

No warranty left so I'd like to see if I can fix this myself before having to go to the dealer.  Anyone have any ideas?

 

 









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#2 OFFLINE   homestead

homestead

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 481 posts
  • Region:Decline
  • LocationPacific Northwest
  • Current Vehicle:C-Max Hybrid SEL

Posted 27 April 2018 - 03:31 PM

Haven't had that problem but the salesman told me that you have to keep the sensors clean or they won't work right.


  • ptjones and obob like this

#3 OFFLINE   notquitesane

notquitesane

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 89 posts
  • Region:Canada Prairie Provinces
  • LocationEdmonton
  • My C-MAX's Year:2015
  • Current Vehicle:C-MAX SEL 303A

Posted 27 April 2018 - 07:26 PM

Yes, that was the first thing I did was clean the sensors.  



#4 OFFLINE   notquitesane

notquitesane

    C-Max Hybrid Member

  • C-MAX Hybrid Member
  • 89 posts
  • Region:Canada Prairie Provinces
  • LocationEdmonton
  • My C-MAX's Year:2015
  • Current Vehicle:C-MAX SEL 303A

Posted 09 May 2018 - 01:30 PM

Well everything went back to working.  I haven't washed my car or anything.  Hopefully it will stay working...








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