GM ECM programming • Service by LT1Swap.com

AFM / DOD Delete Programming

Mail-in GM ECM programming to disable Active Fuel Management (AFM), also called Displacement on Demand (DOD), on supported applications. Clear pricing, return-shipping options, and step-by-step mailing instructions.

How to send your ECMOrder / payment information

Services Offered

AFM / Cylinder Deactivation Disable

ECM programming to disable cylinder deactivation on supported GM applications.

Programming After Mechanical Delete

For supported engines with cylinder-deactivation hardware removed, ECM programming may also be needed for related diagnostics.

Mail-In ECM Programming

Send your compatible engine control module to Brendan at LT1Swap for the requested service.

Important: ECM programming does not repair failed lifters or other mechanical engine damage. Verify your exact vehicle, year, engine, and ECM before shipping. Check current applications and service details.
MODULE IDENTIFICATION

Supported ECMs & Vehicles

GM E92 engine control module with blue, black and gray connectors

GM E92 ECM

Common applications identified by Brendan:

  • 2014–2018 pickups: V6 and V8
  • 2015–2020 SUVs: V8

These are E92 ECM applications, not a guarantee that every vehicle in those years uses an E92. Verify the ECM type and confirm compatibility before shipping.

Check programming details
BEFORE YOU SHIP

Identify Your ECM — Don't Send the Wrong Module

Use this reference photo to compare the case shape, cooling fins, and connector layout on your engine computer. These are examples of GM ECM families used for AFM/DOD-related programming; the photo is an identification aid, not a guarantee of service eligibility.

Brendan's GM ECM comparison photo: E92 (2014–2018), E67 (2007+), E38 (2007–2014), and E40 (2005–2006)
Brendan's module comparison photo — E92, E67, E38, and E40. Year labels are reference ranges, not definitive fitment or service approval.

E92 ECM

2014–2018 pickups with V6 or V8 engines; 2015–2020 SUVs with V8 engines. Confirm the actual ECM before sending.

E67 ECM

2007+ Trailblazer and Envoy with 5.3L engine. Confirm the module type before shipping.

E38 ECM

2007–2014 pickups and SUVs, plus Impala and Monte Carlo applications. Confirm the module type before shipping.

E40 ECM

2005–2006 Trailblazer, Envoy, Saab 9-7X, and Buick Rainier with 5.3L engine. Confirm service eligibility before shipping.

Not sure what ECM you have? Before mailing anything, send Brendan your vehicle's year, make, model, engine size, and a clear photo of the module's label and connector side. Email photos for identification or call 417-277-5836. Do not send a BCM, TCM, fuse box, or other module in place of the engine computer.

Pricing & Return Shipping

Published AFM/DOD mail-in programming options for supported GM ECMs. You pay to ship the module to us; the selected service includes return shipping as described below.

STANDARD SERVICE

$60

AFM/DOD disable programming, with USPS Priority Mail or UPS Ground return shipping included.

EXPRESS RETURN

$100

AFM/DOD disable programming with UPS Next Day Air Saver return shipping, subject to destination and service exceptions.

Additional option: VIN programming is listed at $50 extra where applicable. Service is USA only. Alaska, Hawaii, some rural ZIP codes, certain ECMs, and other special applications may require different arrangements. Check Brendan's official AFM service page before paying or mailing. Published programming turnaround target for boxes marked “AFM” is one day after receipt; shipping transit time is additional and turnaround is not guaranteed.
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Order & Pay Securely

Pay before mailing your ECM. Enter your vehicle and shipping information, then complete card payment securely with Stripe without leaving this page. Do not mail an unconfirmed or unsupported ECM.

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Payments are processed securely by Stripe. Some bank verification steps may open an additional screen. USA orders only; contact Brendan before paying for Alaska, Hawaii, rural express delivery, hybrids, or special ECM applications.

How to Send Your ECM / PCM

1. Confirm Your Application

Identify the year, make, model, engine, and ECM type. Review supported applications and exceptions on the official AFM service page. Contact Brendan first if uncertain.

2. Arrange Payment

Choose standard or express service and follow the payment directions on LT1Swap before sending your module.

3. Remove and Protect the Module

Safely remove the ECM following vehicle-specific procedures. Pack it securely with padding to protect the case and connectors. Leave the mounting bracket behind unless instructed otherwise.

4. Include Your Information

Include your name, phone/email, complete return address, vehicle year/make/model/engine, requested service, and any payment or order details. Clearly mark the package AFM.

Ship Your Module To

Brendan Patten
5411 County Road 2350
Pomona, MO 65789

Use a tracked carrier and keep your tracking number. The address above has been confirmed for this preview; verify instructions on the official order page before mailing.

Important: Electronic AFM/DOD disabling does not fix failed lifters or other mechanical damage. Some applications, including certain newer controllers, require special handling or may not be supported. Please review the official compatibility notes before shipping.

Questions Before Sending?

Not sure which ECM you have or whether your application is supported? Contact Brendan before shipping.

Brendan Patten — LT1Swap.com
brendan@lt1swap.com
417-277-5836

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