VIN Programmed 2017-2021 GMC Sierra Engine Computer ECM 12720006 GM

Not sure? Message us with your VIN and we’ll verify it for you. * * * **Why Buy From Us?** - **Professionally Remanufactured** – Works like new - **VIN Programmed** – Pre-flashed with your VIN for compatibility - **No Core Charge** – Keep your old unit - **DIY Possible (with tools)** – Requires key programming and scan tool - **1-Year Warranty** – Quality and support you can trust * * * **Installation Requirements** This Engine Control Module (ECM/PCM) is a direct replacement, **pre-programmed to your VIN**, but it **requires immobilizer relearn (key programming)** after installation. **To complete installation, you will need one of the following:** - An **automotive locksmith** - A **key programming tool** or **advanced scan tool** (capable of performing immobilizer/key relearn) In many cases, you will also need to perform a **crankshaft variation relearn** to clear codes such as **P0315/P1336**. This procedure also requires a capable scan tool. * * * ⚠ **Important Notes** - **VIN Required** – Please provide your 17-digit VIN at checkout or via message so we can program the ECM - **Know Before You Buy** – You will need access to key programming equipment or a professional locksmith - **Don't Need Programming?** – Let us know at checkout if you prefer to receive the ECM **without programming**. **You will need to program it yourself after installation.** To ensure compatibility, we recommend sending us your **VIN or the part number** so we can double-check fitment. ## Fast & Reliable Service - **Ships Quickly** – Most orders ship **within 1 business day** via **USPS Priority Mail** (expedited shipping available). We’re here to assist with installation or any questions * * * ### **Fast shipping, get your vehicle back on the road in no time!**

• Brand: GM
• Type: Engine Control Unit (ECU)
• Superseded Part Number: Program to your VIN, ECU ECM PCM MODULE
• Manufacturer Warranty: Yes
• Manufacturer Part Number: 12720006
• OE/OEM Part Number: ECM,ECU,PCM, 84937088,MPU
• Interchange Part Number: 12711509, 12683624, 12670950, 12686363, 12700911