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I have a 2017 peterbilt 579 that has lost communication with…

Customer Question
I have a 2017...

I have a 2017 peterbilt 579 that has lost communication with the transmission..what causes this and is there something I can do

Mechanic's Assistant: What's the make/model/year of your truck? Engine type?

2017 579 Paccar mx13 with 10 speed auto

Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?

No anything yet..Haven't ever seen this before

Mechanic's Assistant: Anything else you want the truck mechanic to know before I connect you?

I was in heavy snow and ice before this and tried to beat some of the ice off of my grill is all that was done

Submitted: 7 months ago.Category: Medium and Heavy Trucks
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Answered in 9 hours by:
12/10/2017
Technician: Daniel Wilson,
 replied 7 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,835
Experience: Owner at DJ Wilson
Verified

Hi ,My name is***** will be glad to help. We can follow up as needed on here, bare with me while I review your information. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc each day.

Ask Your Own Medium and Heavy Trucks Question
Technician: Daniel Wilson,
 replied 7 months ago

Check for a blown fuse between the batteries and ECM and TCM and for wiring issues. Verify power and ground to the TCM and ECM and if okay inspect and test the wiring harness. If good there could be a software problem in the TCM or ECM as well as the body/chassis controller. Let me know. We can follow up as needed.

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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Technician: Daniel Wilson,
 replied 6 months ago

Hi, Did you get this resolved? Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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