2007 Chevy Suburban service rear park assist message

2007 CHEVROLET SUBURBAN
45,000 MILES • V8 • 4WD • AUTOMATIC
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FGDJR
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  • 1 POST
Is there any way to test the rear park assist sensors? Maybe an ohm reading? There is 8 volts going to the sensors but the system won't operate. Just a red light at the back pillar. Any ides?
Feb 18, 2010 at 6:44 PM
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BRIAN 1
  • CAR REPAIR CONTRIBUTOR
  • 1,030 POSTS
have it scanned for dtc's,it too hard to diagnose without a code,on these A fault anywhere on the circuit or in any single sensor will affect all of the sensors.these sensors are wired in a series parallel.when testing it should have 8-9 volt reference.its easier to use a scan tool and switch sensors with different locations and see if the dtc sets on a different location,post back with the code.
Feb 18, 2010 at 8:20 PM
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