14-16 SIERRA SILVERADO PCM ECU ECM ENGINE COMPUTER OEM 12669318 12669611 PCM

During chekcout, be sure to put your VIN in the "notes to seller" field, otherwise we'll message after the purchase for your VIN.. We will send instructions on how to complete this. We offer FREE VIN programming so the ECU arrives and your vehicle will start once a key relearn process is completed. Part Number Service NO: 12669318 and Part Number: 12669611 - Please match both of these! ECU has security and requires programming before installation