| X15 Derate |
| 01-19-2026, (Subject: X15 Derate ) Post: #1 | |||
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| X15 Derate Morning, I have a 2019 KW with the 605 X15, lately it has been doing a 25% derate and not giving a check engine light or any codes, we bring it back to shop and do a forced regen, then it will be good for the day until it does it again. can anyone point me in the right direction ? its getting pretty old, thanks | |||
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X15 Derate - KenworthRolled - 01-19-2026 RE: X15 Derate - Rawze - 01-19-2026, |
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