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ILLINOIS · MAIL-IN SERVICE

GM ECM / PCM — Programmed & Ready to Install in Illinois

Ship your module from Chicago or anywhere in Illinois — we complete the work in 24 hours and ship it back at the return speed you choose at checkout — standard to overnight.

$399 flat Ships in 1–2 Business Days ~2 day USPS from IL
Text Before You Buy

Why Illinois customers mail in gm ecm / pcm — programmed & ready to install

Illinois has roughly 10.5 million registered vehicles, and trucks, SUVs & imports make up much of what Chicago-area shops and owners mail us. Domestic work like gm ecm / pcm — programmed & ready to install runs high-volume across Illinois — we see a steady stream out of Chicago, Aurora, Rockford. Cross-region north — about 2 days each way.

Metros we serve in Illinois

ChicagoAuroraRockfordNaperville

Illinois at a glance

  • ~10.5M registered vehicles statewide
  • Most common: trucks, SUVs & imports
  • Illinois requires emissions testing in the Chicago and Metro-East St. Louis areas; downstate counties are exempt.

What you get

  • The ECM itself — you send nothing in
  • Current factory calibration flashed for YOUR VIN via Techline Connect / SPS2
  • Engine, transmission, axle ratio, and emissions content matched to your build
  • Bench-verified before it ships
  • Written install + security relearn instructions in the box
  • Outbound shipping speed your choice at checkout — standard, 2-day, or overnight
  • 6-month warranty on the module and the programming

Shipping timeline — Illinois ↔ Arlington TX

USPS Priority routes north through the Central network; typically 2 days. Typical round-trip from Chicago or anywhere in Illinois:

  1. Day 0

    You ship

    USPS Priority from IL, ~$11

  2. Day 2

    We receive

    Workshop opens + inspects

  3. Day 3

    Work done

    24-hour bench turnaround

  4. ~Day 5

    Back to you

    Return speed you chose at checkout

Illinois FAQ

Common questions from customers shipping from Illinois.

How long does shipping take from Illinois to your Arlington TX workshop?
USPS Priority Mail from Chicago, IL reaches our Arlington workshop in about 2 business days. USPS Priority routes north through the Central network; typically 2 days. We start work the same day your module arrives and ship back next business day at the return speed you chose at checkout.
How much does it cost to ship a module from Illinois?
USPS Priority flat-rate from Illinois to Arlington TX runs about $11. The customer pays shipping to us; return shipping back to Illinois is selected at checkout — $24.95 standard (3-5 business days), $54.95 UPS 2-Day, or $94.95 UPS Next Day Air, flat nationwide. Cross-region north — about 2 days each way.
Do you accept gm ecm / pcm — programmed & ready to install modules from Illinois?
Yes — we receive modules from Chicago, Aurora, Rockford, Naperville and the rest of Illinois regularly. With about 10.5 million registered vehicles statewide, trucks, SUVs & imports are the bulk of what we see from Illinois.
Is there a gm ecm / pcm — programmed & ready to install shop in Chicago I should use instead?
Most Chicago shops don't keep the bench equipment for gm ecm / pcm — programmed & ready to install — they'd forward the module to a specialist anyway, which adds a markup and a middleman. Going direct to us is usually faster and cheaper. Cross-region north — about 2 days each way.
Does Illinois vehicle inspection or emissions testing affect this service?
Illinois requires emissions testing in the Chicago and Metro-East St. Louis areas; downstate counties are exempt. Our service is bench module programming only — you remain responsible for your vehicle's compliance with all Illinois and federal requirements.
What if I already bought a used ECM?
Then you do not need this product — mail us the unit you have and we will program it to your VIN as a bench service for less. Text us the service number and we will point you to the cheaper path.
Do you need my old module back?
No, but we want it. Old ECMs have core value, so ask about a core credit when you order and we will send you a prepaid label for it.

Full details

See the complete GM ECM / PCM — Programmed & Ready to Install service page

Compatibility list, what it fixes / doesn't fix, shipping instructions, warranty.

Full Service Page

Same service from other states:

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusetts

Ship from Illinois today

Pay now, get the Arlington TX shipping address by email, drop it in the mail. Full round-trip from Chicago: about a week.

(817) 678-3252