• ✅ VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM
  • ✅ VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM
  • ✅ VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM

VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM

VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM

$119.95
$119.95
Shipping calculated at checkout.
  • Tested & verified module
  • Fast shipping Mon–Fri
  • 30-day hassle-free returns
E78 12642100 Engine Control Module programmed to your VIN with newest updates
This part is compatible with the following services numbers


This part number also works with/
SIERRA 2500 PICKUP 11 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA DENALI 3500 11 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA 3500 PICKUP 11 Electronic Control Module; (LH front engine compartment), 6.0L
SIERRA DENALI 2500 11 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 3500 PICKUP 11 Electronic Control Module; (LH front engine compartment), 6.0L
SILVERADO 2500 PICKUP 11 Electronic Control Module; (LH front engine compartment), 6.0L

-IMPORTANT:
match your PCM/ECM service number before purchasing.
This module needs security key relearn to start the engine, and it may need crankshaft variation relearn (code p0315). You will need a scan tool capable of doing this relearn.
send your 17 digit VIN through message to seller at the time of the payment. 

 We offer 1 year warranty on this item.
 Shipped via USPS Priority Mail.
VIN Programmed SILVERADO SIERRA E78 12642100 Engine Computer GM

$119.95

Does it come with a warranty?

Yes! We offer a Lifetime Warranty on select modules and electronic parts. This covers defects in material or workmanship under normal use. Check the product listing for warranty eligibility or contact us at Contact@auto101.net for details.

What if the part doesn't fit my vehicle?

We offer hassle-free returns within 30 days of purchase. If the part doesn't match your vehicle, simply contact us and we'll arrange a return or exchange. Make sure to use our vehicle fitment tool to verify compatibility before ordering.

How fast is shipping?

We process and ship orders Monday through Friday. You'll receive tracking information via email for each shipment. Service orders (like SKIM delete or cloning) ship within 3 business days after receiving your module.

What's the return policy?

We have a 30-day return policy. Items must be unused, in original condition with tags and packaging. Return shipping cost is deducted from refund. Sale items and gift cards are non-returnable. Contact us at Contact@auto101.net to start a return.