what causes these codes to appear

[K3n357]

so I got three codes while driving and getting on the throttle in 4th gear and I got a P003A boost control turbocharger boost control module position exceeded learning limit. P00AF turbo charger boost control module performance. and the last one is a weird one to me U010CDTCdescription not found

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[RamIt]

You have a bad turbo actuator. As evident by the U code.

There are 2 other current threads on this right now.

https://www.igotacummins.com/threads...814#post150814

Here's one. I have a post about how to confirm the turbo actuator failure.

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[DDP]

You have a bad turbo actuator. As evident by the U code.

There are 2 other current threads on this right now.

https://www.igotacummins.com/threads...814#post150814

Here's one. I have a post about how to confirm the turbo actuator failure.

Yes sir i agreee with Mr. @RamIt

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[TexNeck]

so I got three codes while driving and getting on the throttle in 4th gear and I got a P003A boost control turbocharger boost control module position exceeded learning limit. P00AF turbo charger boost control module performance. and the last one is a weird one to me U010CDTCdescription not found

Likely bad actuator as mentioned and agreed with above. Slight chance it could be a low voltage thing- I had something similar codes to those and my batteries needed replacing. I don’t remember if it was 4 but I had multiple codes. Once I replaced the batteries I had no more turbo codes. Keep us posted

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[K3n357]

You have a bad turbo actuator. As evident by the U code.

There are 2 other current threads on this right now.

https://www.igotacummins.com/threads...814#post150814
Here's one. I have a post about how to confirm the turbo actuator failure.

thxs for the info

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