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I have 2014 volvo 780 with d13 I got 2 codes spn 520339 fmi…

Customer Question
Hi I have 2014...

Hi I have 2014 volvo 780 with d13 I got 2 codes spn 520339 fmi 14 and spn 5623 fmi 1 the acceleration on and and off

Mechanic's Assistant: Hi there. Do you always have this issue with acceleration/deceleration? Any strange noises or smells?

No

Mechanic's Assistant: What's the approximate mileage on your 2014 Volvo 780?

690000

Submitted: 6 months ago.Category: Medium and Heavy Trucks
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Answered in 1 hour by:
2/11/2022
Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago
Keiphun Sowell
Keiphun Sowell, Owner Brothers Restoration/Troubleshoot
Category: Medium and Heavy Trucks
Satisfied Customers: 4,440
Experience: Maintenance at Ati Specialty Materials
Verified

Hello, this is Keiphun from just answer. Thanks for allowing me to assist you today. I hope you are doing well.

I'm reviewing your information now. If you have any other information, you think I should know, please inform

Can you please send me the truck VIN#?

Who do I have the pleasure of speaking with?

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Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Hello, just checking to see if we are connected. Thanks

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Customer reply replied 6 months ago
this is Sam
Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Hello Sam, it is a pleasure to meet you. Could you send me the truck VIN#? Thanks

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Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Thanks, ***** *****

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Customer reply replied 6 months ago
Thanks
Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Thank you.

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Customer reply replied 6 months ago
spn 784 fmi 2
I got another code
Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Okay, thanks.

For some reason neither of the codes are pulling up anything. Can you verify the codes for me?

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Customer reply replied 6 months ago
Spn 520339 fmi 14Spn 5623 fmi 1
Technician: Keiphun Sowell, Owner Brothers Restoration/Troubleshoot replied 6 months ago

Thanks, ***** ***** check that number.

Okay just realized those are the same numbers. I'm not getting any information on the code. So, I'm going to opt out so another expert can assist you. Thanks

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Customer reply replied 6 months ago
All of them for Ishift transmission
Technician: Ramon Capellan, owner / operator replied 6 months ago
Ramon Capellan
Ramon Capellan, owner / operator
Category: Medium and Heavy Trucks
Satisfied Customers: 63
Experience: Expert
Verified

Hello and welcome to just answer sorry your having this issues with all the codes.

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Technician: Wayne, Journeyman replied 6 months ago
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,656
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified

Hi, I'm Wayne.

I'll be assisting you with this issue today.

Thank you for coming to Just Answer

Your Question is as important to us as it is to you.

I am sorry to hear you are having this issue.

I go offline at 3 pm CST. M-F

Weekend 2 pm CST for the day

Code 520339 fmi 14

On your fault code, this is a fault for frequency in the clutch. There are a few different possibilities. One thing that can be checked and should be checked first is the brake pedal switch. This switch attaches near the top of the pedal and should click as the pedal is starting to have resistance against the brake valve. The sensor mount has a single bolt in a swivel to adjust. If that is okay then this will need to be connected to a capable scanner or the ptt software in order to run the clutch leak test among others. The clutch is electric and air operated and any leaks or Misreadings in the clutch will render it inoperable.

I hope this helps you.

Wayne

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Wayne
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,656
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Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

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