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Gosha · 10-13-2021, **(Subject: Kenworth t680 derate mode )**

Hi.

HI. I do have 2016 kenworth t680 cummins isx15. I do have a message on the board ENGINE DERATE ,but no check engine light.Can you please help me with this or any advices.

Thanks

Hermjeji · 10-13-2021, **(Subject: Kenworth t680 derate mode )**

(10-13-2021 )Gosha Wrote: Hi.

HI. I do have 2016 kenworth t680 cummins isx15. I do have a message on the board ENGINE DERATE ,but no check engine light.Can you please help me with this or any advices.

Thanks

Without the fault code, it could be a bunch of items. Get someone to hook up insite to it and grab the codes. You could try turning the key on and pressing on the accelerator 3 times after all the dash lights cycle. Count the number of times the stop engine light blinks and you'll get a code. This works sometimes (i've only done it on older trucks using the cruise switches, so someone else can chip in here) and you can search it up on QSOL. Best bet is to get INSITE or someone to hook it up and post the codes.