4th Gen Engine and Drivetrain-2010 and Up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

How to check engine light codes

Old Dec 22, 2015 | 03:41 PM
  #1  
Outwest's Avatar
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From: Nevada
How to check engine light codes

First engine light at 187,000 miles. How can check which codes were tripped.
Is there an ignition key trick or do I have to get a reader?
2010, 3500, 6.7, 6 speed manual.
Thanks in advance.
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Old Dec 22, 2015 | 04:27 PM
  #2  
Busboy's Avatar
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From: On the Farm, Manitoba
Wow amazing you got that far without a CEL. I made it about 4500ml before I got my first in my 2011, anyway you need a code reader to reset them and the remote start won't work with a CEL on so why not pick one up on sale, I noticed one the other day for $28 Canadian. You can apparently turn the key.. on/off/on/off/on and it will display the codes the same as the old trucks used to.
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Old Feb 8, 2016 | 06:58 PM
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From: cottage hills Illinois
code reader

will any type of code reader work ?
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Old Feb 9, 2016 | 12:36 PM
  #4  
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From: On the Farm, Manitoba
Originally Posted by mikey59
will any type of code reader work ?
It must be an OBD2 code reader which if it's new it will be.
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Old Feb 9, 2016 | 02:01 PM
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From: Carlos, Texas
Any auto parts store will read your codes for you for free. Most will not clear them.
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