P01d1 - Chevy and GMC Duramax Diesel Forum
2017-19 GM T-K2 Platform Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

 
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post #1 of 4 (permalink) Old 11-24-2019, 04:14 PM Thread Starter
 
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P01d1

Have a new 2019 GMC with 1600 miles with the engine light on. The code is P01D1 which is for Cylinder #4 Injection Timing Performance -- Over Retarded.

Anyone experience this before. I found this article which suggest they do not really know what causes it and to reset the code and see if it happens again. https://gm-techlink.com/?p=10238
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post #2 of 4 (permalink) Old 12-11-2019, 09:47 PM Thread Starter
 
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In case someone else experienced this. First trip in a software update was done, code cleared but came back within 60 miles. Second time in the injector in cylinder four was replaced.
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post #3 of 4 (permalink) Old 12-13-2019, 07:30 AM
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Quote:
Originally Posted by Wayne Carter View Post
In case someone else experienced this. First trip in a software update was done, code cleared but came back within 60 miles. Second time in the injector in cylinder four was replaced.
So is it fixed or still getting P01D1?

2019 Arctic Fox 27-5L
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post #4 of 4 (permalink) Old 12-13-2019, 06:28 PM Thread Starter
 
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Quote:
Originally Posted by Rvn4me View Post
So is it fixed or still getting P01D1?
I hope so. Picked the truck up after the repair on Wednesday and light has not come back on. Less than a 100 miles since I picked it up so time will tell.
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