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COLORADO · MAIL-IN SERVICE

VW/Audi Simos ECU Clone / Immo-Off in Colorado

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

$250 flat Fast Turnaround ~2 day USPS from CO
Text Before You Buy

Why Colorado customers mail in vw/audi simos ecu clone / immo-off

Colorado has roughly 5.3 million registered vehicles, and trucks & 4x4 SUVs make up much of what Denver-area shops and owners mail us. European platforms cluster in Denver, Colorado Springs, Aurora, and most local Denver shops sub bench jobs like vw/audi simos ecu clone / immo-off to a specialist instead of tooling up for one car. Regional west — about 2 days each way.

Metros we serve in Colorado

DenverColorado SpringsAuroraFort Collins

Colorado at a glance

  • ~5.3M registered vehicles statewide
  • Most common: trucks & 4x4 SUVs
  • Colorado requires emissions testing in the Denver-Boulder Front Range metro region; rural counties are exempt.

What you get

  • Your original Simos ECU's identity, immobilizer data, coding, and learned adaptations cloned onto your donor — immobilizer fully preserved, existing keys keep working
  • Or, on the immo-off path, the immobilizer requirement removed from the module so it runs on a standalone, orphaned, or swapped platform
  • Donor part-number compatibility verified against your VIN and ECU labels BEFORE you ship or buy anything
  • A full bench read and verify pass of both units before a single byte is written
  • Checksum-correct write with a powered communication test on a stable, regulated bench supply before return
  • Plain install notes — what happens at first key-on, and whether any relearn or adaptation applies at the car
  • Modules returned with tracking, at the return-shipping speed you select and pay for at checkout

Shipping timeline — Colorado ↔ Arlington TX

USPS Priority runs northwest from the North Texas network; roughly 2 days. Typical round-trip from Denver or anywhere in Colorado:

  1. Day 0

    You ship

    USPS Priority from CO, ~$11

  2. Day 2

    We receive

    Workshop opens + inspects

  3. Day 3

    Work done

    Typical 24-hour bench turnaround

  4. ~Day 5

    Back to you

    Return speed you chose at checkout

Colorado FAQ

Common questions from customers shipping from Colorado.

How long does shipping take from Colorado to your Arlington TX workshop?
USPS Priority Mail from Denver, CO reaches our Arlington workshop in about 2 business days. USPS Priority runs northwest from the North Texas network; roughly 2 days. We start work the same day your module arrives and typically ship back next business day at the return speed you chose at checkout.
How much does it cost to ship a module from Colorado?
USPS Priority flat-rate from Colorado to Arlington TX runs about $11. The customer pays shipping to us; return shipping back to Colorado 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. Regional west — about 2 days each way.
Do you accept vw/audi simos ecu clone / immo-off modules from Colorado?
Yes — we receive modules from Denver, Colorado Springs, Aurora, Fort Collins and the rest of Colorado regularly. With about 5.3 million registered vehicles statewide, trucks & 4x4 SUVs are the bulk of what we see from Colorado.
Is there a vw/audi simos ecu clone / immo-off shop in Denver I should use instead?
Most Denver shops don't keep the bench equipment for vw/audi simos ecu clone / immo-off — 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. Regional west — about 2 days each way.
Does Colorado vehicle inspection or emissions testing affect this service?
Colorado requires emissions testing in the Denver-Boulder Front Range metro region; rural counties are exempt. Our service is bench module programming only — you remain responsible for your vehicle's compliance with all Colorado and federal requirements.
Why won't a used Simos ECU just work when I plug it in?
Because the immobilizer relationship is stored inside the ECU and still belongs to the donor car. When you install it, the module and the vehicle's immobilizer system fail to agree, so the engine cranks and cranks without ever firing — often with an immobilizer-active warning or a stored P1570. Cloning copies your original's identity onto the donor so the mismatch never happens; immo-off removes the requirement entirely on builds that have no key system to satisfy.
What's the difference between the clone path and the immo-off path?
Clone keeps everything factory: your original still powers up, so we copy its identity, immobilizer data, coding, and adaptations to the donor. The result installs plug-and-play, your existing keys keep working, and the immobilizer stays fully active. Immo-off removes the immobilizer requirement from the module, which is the right answer for a standalone build, a swapped chassis, or an orphaned platform with no cluster or keys left. Both are $250 flat — you pick the path with a technician before you ship.

Full details

See the complete VW/Audi Simos ECU Clone / Immo-Off service page

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

Full Service Page

Same service from other states:

AlabamaAlaskaArizonaArkansasCaliforniaConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusetts

Ship from Colorado today

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

(817) 678-3252