Chevy and GMC Duramax Diesel Forum - View Single Post - 2014 lml p0420 code
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post #19 of (permalink) Old 11-30-2019, 04:35 AM Thread Starter
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Los1wing's Avatar
Join Date: Nov 2019
Location: South Georgia
Posts: 33
Two wires rubbing together near x107 may be the cause. This large connector came loose from its mount and caused damage to two wires , either b10 and c10 or b1 and c1. These are nox sensor power and ground wires for nox 1 and 2. No word from the dealer yet. I may just go there on Tuesday and pick it up ready or not. I did tell them about the two wires.

2014 silverado crew cab 2500 w/t
Manual transfercase
Rollup windows
Stock configuration
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