Bilyvia™ FullMode AFM/DFM Disabler
Bilyvia™ FullMode AFM/DFM Disabler
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Bilyvia™ FullMode AFM/DFM Disabler
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Why Choose Bilyvia™
How to Use
Shipping & Delivery
Our Guarantee
Join Thousands of Bilyvia Customers
"Plugged it into my 2015 Silverado 5.3 and the shudder I'd been dealing with for two years was just gone. Should've bought this before I spent $200 on a mechanic telling me my lifters were starting to go."
"Was skeptical at first, I thought it was just another OBD gadget. My buddy's a Chevy tech and said this was the one he actually uses on his own trucks. Three months in. No codes, no issues, V8 locked 24/7."
"Picked up a used Sierra with 97k miles. Every forum said disable AFM immediately. Found Bilyvia, plugged it in — done in 10 seconds. Truck runs smoother and I'm not stressing about lifters anymore."
"Three months, no codes. No battery issues the way I'd worried it would. Bought a second one for my dad's Tahoe."
Does It Fit Your Vehicle?
2025 upgraded version — fits 80+ GM models across Chevy, GMC, Cadillac, Buick, Pontiac, Holden, and more.
Chevrolet
29 models
| Model | Engine | Years |
|---|---|---|
| Avalanche | 5.3L V8 | 2007–2013 |
| Avalanche | 6.0L V8 | 2007–2009 |
| Camaro | 3.6L V6 | 2016–2024 |
| Camaro | 6.2L V8 | 2010–2024 |
| Caprice PPV | 6.0L V8 | 2011–2017 |
| Colorado | 3.6L V6 | 2015–2020 |
| Corvette | 6.2L V8 | 2012–2019 |
| Equinox Sport | 3.6L V6 | 2008–2009 |
| Express 1500 | 5.3L V8 | 2014 |
| Impala | 3.9L V6 | 2007–2009 |
| Impala | 5.3L V8 | 2006–2009 |
| Malibu | 3.6L V6 | 2008–2012 |
| Malibu | 3.9L V6 | 2006–2007 |
| Monte Carlo | 5.3L V8 | 2006–2007 |
| Silverado 1500 | 4.3L V6 | 2007–2021 |
| Silverado 1500 | 5.3L V8 | 2007–2022 |
| Silverado 1500 | 6.0L V8 | 2007–2013 |
| Silverado 1500 | 6.2L V8 | 2009–2022 |
| Silverado 1500 LD | 5.3L V8 | 2019 |
| SS | 6.2L V8 | 2014–2017 |
| Suburban | 5.3L V8 | 2014–2020 |
| Suburban | 6.0L V8 | 2016–2018 |
| Suburban | 6.2L V8 | 2019–2020 |
| Suburban 1500 | 5.3L V8 | 2007–2014 |
| Suburban 1500 | 6.0L V8 | 2007–2013 |
| Suburban 2500 | 6.0L V8 | 2007–2013 |
| Tahoe | 5.3L V8 | 2007–2020 |
| Tahoe | 6.2L V8 | 2018–2020 |
| Trailblazer | 5.3L V8 | 2006–2008 |
| Uplander | 3.9L V6 | 2006–2009 |
GMC
13 models
| Model | Engine | Years |
|---|---|---|
| Acadia | 3.6L V6 | 2007–2008 |
| Canyon | 3.6L V6 | 2015–2020 |
| Envoy | 5.3L V8 | 2005–2009 |
| Sierra 1500 | 4.3L V6 | 2007–2018 |
| Sierra 1500 | 5.3L V8 | 2007–2022 |
| Sierra 1500 | 6.0L V8 | 2007–2013 |
| Sierra 1500 | 6.2L V8 | 2007–2022 |
| Sierra / Denali | 6.2L V8 | 2009–2018 |
| Yukon | 5.3L V8 | 2007–2020 |
| Yukon | 6.2L V8 | 2010–2020 |
| Yukon XL 1500 | 6.2L V8 | 2014 |
| Yukon XL | 5.3L V8 | 2015–2020 |
Cadillac
12 models
| Model | Engine | Years |
|---|---|---|
| ATS | 3.6L V6 | 2013–2019 |
| CT6 | 3.6L V6 | 2016–2018 |
| CT6 non-Hybrid | 3.0L V6 | 2016–2018 |
| CTS | 3.6L V6 | 2004–2019 |
| CTS | 6.0L V8 | 2006–2007 |
| CTS | 6.2L V8 | 2009–2019 |
| Escalade / ESV | 6.2L V8 | 2010–2020 |
| Escalade ESV | 6.2L V8 | 2010–2013 |
| SRX | 3.6L V6 | 2004–2009 |
| STS | 3.6L V6 | 2005–2007 |
| XT5 | 3.6L V6 | 2017–2019 |
| XTS | 3.6L V6 | 2013–2019 |
Buick
7 models
| Model | Engine | Years |
|---|---|---|
| Enclave | 3.6L V6 | 2008–2020 |
| Envision | 2.5L L4 | 2017–2018 |
| LaCrosse | 3.6L V6 | 2005–2019 |
| LaCrosse | 5.3L V8 | 2008–2009 |
| Rainier | 5.3L V8 | 2005–2007 |
| Rendezvous | 3.6L V6 | 2006–2007 |
| Terraza | 3.9L V6 | 2006–2007 |
Pontiac
9 models
| Model | Engine | Years |
|---|---|---|
| G6 | 3.6L V6 | 2008–2009 |
| G6 | 3.9L V6 | 2007 |
| G8 | 3.6L V6 | 2008–2009 |
| G8 | 6.0L V8 | 2008–2009 |
| G8 | 6.2L V8 | 2009 |
| Grand Prix | 3.8L V6 | 2007 |
| Grand Prix | 5.3L V8 | 2005–2008 |
| Montana | 3.9L V6 | 2006–2009 |
| Torrent | 3.6L V6 | 2008–2009 |
Holden
10 models
| Model | Engine | Years |
|---|---|---|
| VZ Calais SV6 | 3.6L V6 | 2006–2018 |
| Commodore Wagon | 3.6L V6 | 2006–2018 |
| VZ Commodore Sedan | 3.6L V6 | 2006–2018 |
| Crewman / UTE | 3.6L V6 | 2006–2018 |
| 9C1 Police Special | 6.0L V8 | 2015–2018 |
| Rodeo | 3.6L V6 | 2006–2011 |
| Colorado | 3.6L V6 | 2006–2009 |
| VE Commodore Omega | 3.6L V6 | 2006–2009 |
| WL Statesman | 3.6L V6 | 2006–2017 |
| WM Statesman | 3.6L V6 | 2006–2017 |
Saab, Saturn, Isuzu & Suzuki
8 models
| Model | Engine | Years |
|---|---|---|
| Saab Outlook XE | 3.6L V6 | 2007–2008 |
| Saab Relay | 3.9L V6 | 2006–2008 |
| Saab 9-7X | 5.3L V8 | 2005–2009 |
| Saturn Aura XR | 3.6L V6 | 2007–2009 |
| Saturn VUE XR | 3.9L V6 | 2008–2009 |
| Isuzu Aura XR | 3.6L V6 | 2007–2009 |
| Isuzu Ascender | 5.3L V8 | 2005–2009 |
| Suzuki XL2 | 3.6L V6 | 2007–2009 |
Your GM's AFM/DFM Is Cycling Cylinders Every Mile You Drive
GM’s Active Fuel Management constantly switches your engine between V8 and V4 mode. Every cycle is wear that thousands of GM owners want to put a stop to — before there’s a problem, not after.
Lifter-Failure Anxiety
The constant switching between V8 and V4 mode is what most GM owners associate with lifter wear concerns. LT engines have a serious reputation for this on owner forums — and many drivers want to act before there’s a problem, not after a $5,000 quote.
Engine Shudder & Rough Feel
Feel that rough vibration around 45–55 mph when your truck drops to 4-cylinder mode? That shudder isn’t “normal driving” — it’s the system cycling cylinders down and back up every few seconds during light-throttle cruise.
$5,000+ Repair Quotes
When AFM-related lifter or cam issues hit, you’re looking at a full engine teardown. Owner-reported repair quotes posted across GM forums range from a few thousand to well over ten — or owners junk the engine entirely for a few hundred at the salvage yard.
A plug-in first step today vs. a $5,000+ repair quote later
Install In 10 Seconds — No Tools Required
Plug it in. Watch for the indicator light. Drive. That’s it.
Find Your OBD-II Port
Located under your dashboard on the driver’s side. It’s a standard 16-pin port — every modern GM truck and SUV has one.
Plug In the Bilyvia™ Disabler
Line it up with the port and push it in firmly until seated. No wiring, no programming, no professional skills needed.
Indicator Light = Full-Cylinder Mode
The indicator illuminates to confirm Bilyvia is active. Your engine is now designed to stay in full-cylinder mode — fewer V4 drops, less shudder, less constant cycling.
Drive With Confidence
Keep it plugged in and forget about it. V8 stays a V8 — on hills, on highways, everywhere. Unplug anytime to return to factory AFM/DFM behavior instantly. No permanent changes, no trace.
Bilyvia™ vs. Mechanical AFM Delete Kits
A different category of intervention. A fraction of the cost and hassle.
Bilyvia™
- Plug into OBD-II port — done in 10 seconds
- No engine disassembly
- Unplug to restore factory — leaves no trace
- Zero ECU reprogramming
~$89.95
Delete Kits
- Complex installation requires a shop
- Requires full engine teardown
- Permanent — can’t undo without more labor
- Custom tune often required
$1,500–$3,000+
A plug-in disabler is not the same as a mechanical AFM delete. Bilyvia™ does not remove internal AFM/DFM hardware — it is a simpler, reversible alternative path that many GM owners try first.
Why GM Owners Trust Bilyvia™
The straight-shooter list of what this device is, and what it isn’t.
Full-Cylinder Mode While Installed
Designed to help your engine stay in full-cylinder mode while Bilyvia™ is plugged in. Fewer random V4 drops on hills, highways, or at idle.
Helps Reduce Lifter-Anxiety Cycling
Helps reduce the constant cylinder cycling that most GM owners associate with lifter wear concerns on LT engines. A simpler first step before more invasive paths.
Zero ECU Reprogramming
Never touches your factory computer programming. Unplug anytime to return to factory AFM/DFM behavior instantly. No trace, no permanent change.
Smoother Ride, Consistent Sound
Designed to help reduce shudder and rough vibration linked to cylinder deactivation. Owners report more consistent acceleration and a fuller exhaust tone in daily driving.
Built For Dozens Of GM V6/V8 Models
Designed for compatible Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade, Camaro, Corvette and dozens more GM V6/V8 platforms. Check compatibility before ordering.
What GM Owners Are Saying
Join thousands of GM owners who chose Bilyvia™ as their first step against AFM/DFM cycling.
"Plugged it into my 2016 Silverado 5.3 and the V4-to-V8 shudder I'd been dealing with for two years is just not the same anymore. Should’ve bought this before I spent $200 on a mechanic telling me my lifters were starting to go. Best $89 I’ve spent on this truck."
"I was skeptical because of how cheap it is compared to a full mechanical delete, but it works pretty much like they describe. Indicator came on right away, and the Sierra stayed in V8 going downhill where it always used to drop to V4. My buddy saw it and ordered one for his Tahoe the same night."
"I bought a used Tahoe with 97k miles and every forum said to disable AFM before the lifters go. This took me literally 10 seconds to install, and now I don’t lie awake worrying about a $4,000 repair quote. Wish every truck mod was this easy."
"Runs smoother, sounds better, and I don’t get that annoying V4 drop when I’m cruising anymore. I’ve had it plugged in for three months with zero issues. Already bought a second one for my dad’s Tahoe."
Frequently Asked Questions
Everything you need to know before you buy.
Will Bilyvia™ damage my truck or change the ECU?
Absolutely not. The Bilyvia™ disabler does not rewrite your factory ECU programming. It plugs into the OBD-II port, works while installed, and can be unplugged anytime to return your vehicle to factory AFM/DFM behavior.
How do I install it? Do I need tools or a mechanic?
No tools and no mechanic needed. Find the OBD-II port under your dashboard, plug in the Bilyvia™ device, and wait for the indicator light. The entire install takes about 10 seconds.
What does Bilyvia™ actually do for my engine?
It helps keep your compatible GM running in full V6/V8 mode while installed by reducing unwanted AFM/DFM cylinder-deactivation behavior. That means fewer V8-to-V4 drops, less shudder, smoother acceleration, and a more consistent driving feel.
Will it fit my vehicle?
The 2025 upgraded Bilyvia™ version is designed for many GM V6/V8 vehicles with AFM or DFM — including Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade, Camaro, Corvette, Colorado, Canyon, and many Buick, Cadillac, and Pontiac models from 2004–2022. Check the compatibility list above or contact us with your year and model.
Should I keep it plugged in while driving?
Yes — keep Bilyvia™ plugged into the OBD-II port to maintain full-cylinder mode while driving. It is designed as a set-it-and-forget-it plug-in device. Unplug it anytime to return to factory AFM/DFM behavior.
What happens if I’m not satisfied?
Every Bilyvia™ AFM/DFM Disabler is backed by our 30-day satisfaction guarantee. If you’re not happy with your order, contact us at support@bilyvia.com within 30 days for help with troubleshooting, refund, or exchange according to our published policy.
Bilyvia 30-Day Satisfaction-First Guarantee
If you’re not completely happy with your Bilyvia™ AFM/DFM Disabler, contact us anytime for help with refund or exchange according to our published policy. No hassle, real support. We stand behind every unit we ship.