Service NO: 12723949 and Part Number: 12720259 - Please match both of these!

ECU has security and requires programming before installation and is not plug and play. Please verify your mechanic can program the ecu prior to purchase.

ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below:
• ECU powered up and has communication!
• ECU canister vent/purge control are good and much more!

• You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.
• ECU will require programming or coding to your vehicle or vehicle's security system and is not plug and play.
• ECU will fit 2022 Chevy Silverado and GMC Sierra 3.0L models with an exact part number match.
• ECU may fit other vehicles with the same part number. Programming will be required!

ECU is not plug and play and will require programming to your vehicle. Match your part number and verify your mechanic can perform the programming prior to purchase.

Pins perfect, none are broken or bent

This ECU comes with a 90 day warranty from the date of purchase. Please keep a copy of your purchase record which we will send with your item.