New Drivetrain Sub-Forum! - Page 2 - Chevy and GMC Duramax Diesel Forum
Drivetrain Discussion on gearing, CV joints, driveshafts, axles, brakes, etc.

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post #11 of 13 (permalink) Old 03-10-2019, 12:33 AM
 
Join Date: Mar 2019
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I have a 3500 4wd dually the rear speed sensor code is coming up an lost comm.with em where is it located
Chuckfrazier1974 is offline  
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post #12 of 13 (permalink) Old 10-13-2019, 04:48 PM
 
Join Date: Oct 2019
Location: Flagstaff AZ.
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What are the codes involved.There is a TSB that sound like it might apply PIT5569a. I have a similar issue but with no comm. loss that is at the chevy dealer who has been unable to repair for over two months. I do not believe they are trying very hard. I have a 2016 3500 4wd dually that sets rear wheel speed sensor codes every time i tow my travel trailer more then 100 miles. At first it was just the right sensor. But now it is both. The right senor was replaced under warranty but did not fix anything. If it is the updated AAM 11.5 rear end the sensors are not at the wheel ends as is normal but at the side of the diff. housing.
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post #13 of 13 (permalink) Old 10-13-2019, 05:00 PM
 
Join Date: Oct 2019
Location: Flagstaff AZ.
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Sorry just noticed this is a old post. I only joined today.
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