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I have two codes popping up on my dash. My check engine

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light is on. Code 1: Ecu...
I have two codes popping up on my dash. My check engine light is on.
Code 1: Ecu 128 sld231 fail 13 fault 2
Code 2: sfu 164 sld254 fail 14 fault 1
I am 450 miles from my mechanic and want to know if I can make it to him or is this something i need to go get check out now? What are these codes?
Submitted: 10 months ago.Category: Medium and Heavy Trucks
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Answered in 38 minutes by:
10/3/2017
Technician: go-west.., Technician replied 10 months ago
go-west..
go-west.., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1,266
Experience: Technican with 20 years experience focused on engines and electrical.
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What is the make and model of truck that you have plzz.
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