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Strange light issue

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Old Apr 12, 2019 | 03:06 PM
  #16  
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Just picked up the truck. Here's what the service paperwork says - "BCE test found multiple U codes in APIM, BC,DDM, and FICM. U0256, U0140, U0010, U0151. Inspect wiring and found water intrusion and corrosion in connector C408. Replaced connector and install dielectric grease, clear codes, road test and retest".
The part replaced is listed as HU2Z-14S411-FA wire assembly.
Drove it home about 20 miles through some sporadic rain. So far, so good.
 
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Old Apr 12, 2019 | 03:11 PM
  #17  
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Is connector C408 the big white one in the back by chance?
 
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Old Apr 12, 2019 | 04:15 PM
  #18  
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Originally Posted by wrvond
Is connector C408 the big white one in the back by chance?
Not sure. I did tell the service manager that I previously had an issue with the trailer connected/disconnected when there was no trailer there and that I'd popped it apart and filled it with dielectric grease about a year ago. He only said that it was one of the plugs along the frame rail.
 
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Old Apr 12, 2019 | 05:08 PM
  #19  
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Good to know. I've been considering making changes to my lights using your thread as reference but the sudden problems had me concerned. It's reassuring to know it's just another wet connector.
 
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