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My 2014 Volvo Vnl red stop engine light come on and off. The…

Customer Question
My 2014 Volvo Vnl...

My 2014 Volvo Vnl red stop engine light come on and off. The code that came was SA 16 DTC ————. No other numbers came up so I don’t know where to begin to fix it

Mechanic's Assistant: What happened right before the check engine light came on? Are you sure the gas cap is tightened completely?

Everything seems normal. It run fine and all the gauges read normal. I did not check the gas cap.

Mechanic's Assistant: What's the model of your '16 Volvo?

‘14 Volvo vnl 670

Mechanic's Assistant: Is there anything else the Volvo Mechanic should know before I connect you? Rest assured that they'll be able to help you.

The Knox sensors was recently changed. That’s it

Submitted: 8 months ago.Category: Medium and Heavy Trucks
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Answered in 4 minutes by:
12/9/2021
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago
Mike Mcmillan
Mike Mcmillan, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 6,461
Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel
Verified
Hello and thank you for using Just Answer. My name is ***** ***** I’d like to try and help. I am sorry that you are having issues with your truck. I know this can be frustrating. Please allow me a few moments to look over your question and I will be right back with you. Thank you
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Customer reply replied 8 months ago
Ok
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago

what fault code are you getting from the ecm?

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Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago

I have had this happen before. This is usually one of the aftertreatment fault codes. When this happens the fault will need pulled with a scan tool.

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Customer reply replied 8 months ago
The knox sensor was recently changed. In your opinion could these be related
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago
It is possible yes. It will depend which fault is active. I would also make sure the ecm and acm software is updated. I have noticed with the latest revision this does not happen as often
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Customer reply replied 8 months ago
Is The dealer is the only one who can update the software?
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago

Yes, unless you can find a local repair shop that has purchased the full PTT program.

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Customer reply replied 8 months ago
Ok thanks
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 8 months ago

My pleasure. Have a good day

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Customer reply replied 8 months ago
You too
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Mike Mcmillan
Mike Mcmillan
Mike Mcmillan, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 6,461
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Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel

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