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SOUTH CAROLINA · MAIL-IN SERVICE

GM Cluster Upgrade + Mileage Program in South Carolina

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

$200 flat 24-Hour Turnaround ~2-3 day USPS from SC
Text Before You Buy

Why South Carolina customers mail in gm cluster upgrade + mileage program

South Carolina has roughly 4.2 million registered vehicles, and trucks, SUVs & imports make up much of what Charleston-area shops and owners mail us. Domestic work like gm cluster upgrade + mileage program runs high-volume across South Carolina — we see a steady stream out of Charleston, Columbia, Greenville. Cross-region southeast — about 2-3 days each way.

Metros we serve in South Carolina

CharlestonColumbiaGreenvilleNorth Charleston

South Carolina at a glance

  • ~4.2M registered vehicles statewide
  • Most common: trucks, SUVs & imports
  • South Carolina has no statewide periodic vehicle safety or emissions inspection program.

What you get

  • Cluster programmed to your VIN with matching mileage
  • Anti-theft / Passlock counter cleared so cluster accepts your keys
  • Plug-and-play reinstall — no dealer trip required
  • 24-hour turnaround after part is received
  • Return shipping your choice at checkout — standard, 2-day, or overnight
  • 6-month warranty on programming work

Shipping timeline — South Carolina ↔ Arlington TX

USPS Priority routes east through the Southeast network; usually 2-3 days. Typical round-trip from Charleston or anywhere in South Carolina:

  1. Day 0

    You ship

    USPS Priority from SC, ~$12

  2. Day 2-3

    We receive

    Workshop opens + inspects

  3. Day 3

    Work done

    24-hour bench turnaround

  4. ~Day 7

    Back to you

    Return speed you chose at checkout

South Carolina FAQ

Common questions from customers shipping from South Carolina.

How long does shipping take from South Carolina to your Arlington TX workshop?
USPS Priority Mail from Charleston, SC reaches our Arlington workshop in about 2-3 business days. USPS Priority routes east through the Southeast network; usually 2-3 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 South Carolina?
USPS Priority flat-rate from South Carolina to Arlington TX runs about $12. The customer pays shipping to us; return shipping back to South Carolina is selected at checkout — $14.95 standard (3-5 business days), $29.95 UPS 2-Day, or $74.95 UPS Next Day Air, flat nationwide. Cross-region southeast — about 2-3 days each way.
Do you accept gm cluster upgrade + mileage program modules from South Carolina?
Yes — we receive modules from Charleston, Columbia, Greenville, North Charleston and the rest of South Carolina regularly. With about 4.2 million registered vehicles statewide, trucks, SUVs & imports are the bulk of what we see from South Carolina.
Is there a gm cluster upgrade + mileage program shop in Charleston I should use instead?
Most Charleston shops don't keep the bench equipment for gm cluster upgrade + mileage program — 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 southeast — about 2-3 days each way.
Does South Carolina vehicle inspection or emissions testing affect this service?
South Carolina has no statewide periodic vehicle safety or emissions inspection program. Our service is bench module programming only — you remain responsible for your vehicle's compliance with all South Carolina and federal requirements.
How fast?
24 hours from receipt. We send a photo of the bench-test reading before it ships back.
Can you upgrade a base Silverado cluster to an LTZ digital one?
Yes. We program the upgraded cluster to your VIN, sync mileage, and clear anti-theft. The instrument options light up as the upgraded trim.

Full details

See the complete GM Cluster Upgrade + Mileage Program service page

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

Full Service Page

Same service from other states:

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMaryland

Ship from South Carolina today

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

(817) 678-3252