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how to get codes from the dash

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Old Jun 10, 2018 | 03:28 PM
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Default how to get codes from the dash

2002 codes from the dash
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Old Jun 10, 2018 | 03:34 PM
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thanks so much. Is there a written version?
Mark
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Old Jun 10, 2018 | 03:59 PM
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Originally Posted by 4953mark
thanks so much. Is there a written version?
Mark
Here ya go..
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C5 DTC Codes.pdf (1,000.3 KB, 143 views)
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Old Jun 11, 2018 | 08:25 AM
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My version since I did this so recently. I'm sure there are better ways, but this worked for me:
1.) Turn key to "On" (but not start)
2.) Hit reset to clear anything showing on the panel
3.) Hold the 'Options' button while pressing the "Fuel' button four times.
4.) Write anything down that ends in a 'C' (Current) as fast as I can as the car scrolls through them. Ignore the ones with just the 'H' (Historical)
5.) Turn the key off
6.) Repeat as many times as necessary in order to write down all the codes. My memory and handwriting couldn't keep up. :-)

There might be a way to get the car to "repeat" what it just told you, but since I didn't know how I would just turn the key off, back on, and restart the process.
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Old Jun 11, 2018 | 09:09 AM
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Originally Posted by 8VETTE7
If you follow the steps shown in the video you only have to do this once..


NEVER ignore the H or History codes. They are an audit trail of events that have happened and can be very useful in diagnosing problems.

Further when you pull codes without the engine running , most but not all of the codes will be reported as H. This is because most of the systems that generate codes operate only when the car engine is running. When events occur that cause the generation of a code the code is generated as a C or current or in some instances as BOTH a C and an H. When the engine is turned off the codes generated as C are converted to an H since they cannot be C while the engine is not running.

It is possible to pull codes with the engine running so that you can see any codes that are Current and have occurred during the present ignition cycle. To pull codes with the engine running you must use the RESET button to clear any messages in the DIC and then pull codes as normal.
Great info! That's why you're considered one of the "Electrical Gurus" on this forum! I've only been a member for a short time, but it didn't take long to find that one out.

Thanks!
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Old Jun 11, 2018 | 07:24 PM
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Originally Posted by hobobiker
Great info! That's why you're considered one of the "Electrical Gurus" on this forum! I've only been a member for a short time, but it didn't take long to find that one out.

Thanks!
8VETTE7 knows his stuff

Last edited by SG Lou; Jun 11, 2018 at 07:26 PM.
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