Range DFM Module for GM Refresh

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Announcing the all-new DFM Module for 2022.5+ GM 1500 V8 trucks and 2021+ GM V8 SUV's. The markets first DFM Disabler for Refresh GM Global B platforms is available now!

Simply plug this device inline of your your ECM and engine harness to effectively disable your Dynamic Fuel Management and Auto Start Stop systems for good! Need to return to the dealer for service work? No problem, simply remove the device returning your truck to complete factory settings with no trace left in the system.
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Got mine installed today. So far, so good.

machjeep
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Do you have to remove it before taking truck to dealer for service?

jasonlovell
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Yes! Just got mine on too! Glad I didn't buy Amp Steps

dstrych
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Do need to remove before taking my truck in for oil changes?

ap
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Would this work on a ‘21 gmc sierra 1500 at4 6.2 v8?

enriqueruiz
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Still dropping cylinders with the in-line module 22 ZR2. Not happy.

MSDTmike-io
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I saw that it also disables amp steps. Is this true?

jamesregar
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Didn't work on my 2020 GMC with a 6.2L caused engine surging a low rpm's. Would not recommend!

erikscrabeck
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Bring DFM Module for Jeep Gladiator please!

minyongkim