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We have a 2016 Freightliner Cascadia and both Check Engine…

Customer Question
We have a 2016...

We have a 2016 Freightliner Cascadia and both Check Engine lights came on. When you go to diagnostic you get: EEC--DEF elec system problem detected-service vehicle----diagnostics code SPN4357--FMI 5.

Mechanic's Assistant: Is the check engine light blinking or flashing, or is it solid? When did you first notice it?

Solid lights just one came on as he was parking yesterday and one came on this morning while in the truck lot.

Mechanic's Assistant: What's the make/model of your 2016 truck?

Freightliner Cascadia

Submitted: 1 year ago.Category: Medium and Heavy Trucks
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Answered in 31 minutes by:
1/20/2021
Technician: mobile-tech, Technician replied 1 year ago
mobile-tech
mobile-tech, Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 998
Experience: Automotive , Medium and Heavy Duty equipment , and Marine Technician with over 20 years of professional experience.
Verified
Hello, my name is JoeWhat engine is make and model of your engine?Joe
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Customer reply replied 1 year ago
2016 Freightliner cascadia dd15DETROIT DD15
Technician: mobile-tech, Technician replied 1 year ago
Thanks for the reply,I will opt out for a Detroit diesel expert to respond.Joe
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Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 12,915
Experience: Shop Froeman for Freightliner Trucks
Verified

Good morning

Let me check the codes for you.

Roy

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Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

OK, it is for DEF line number 4 heater. It could be a broken wire at the connector for the line or the line itself.

I posted below a youtube video of the replacement of the line for you.

https://www.youtube.com/watch?v=asdf3o3eYLU

Roy

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roybelding
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
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