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Your One-Stop Auto Electronics Shop

Quality Auto Parts

Auto101 is your trusted source for PCMs, TIPMs, BCMs, ECMs, and more. Every module is tested and verified to get you back on the road with confidence. Over 130,000 parts in stock with expert support.

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GM Diagnostic Tool

Auto101 Pro · GM Tool Tutorial

Watch a complete walkthrough of the GM Tool inside the Auto101 Pro App — from connecting your OBD101 over Bluetooth to running dealer-level relearns and diagnostics straight from your phone.

Download the App Buy Scanner

Why shop with us?

Auto101 delivers quality modules you can count on.

  • Over

    130k

    parts in stock

  • With

    99%

    positive reviews

  • Covering

    50+

    vehicle makes

  • TESTED & VERIFIED
    Every module quality checked
  • FAST SHIPPING
    Orders processed & shipped Mon–Fri
  • EXPERT SUPPORT
    Auto electronics specialists
  • VIN PROGRAMMED
    Plug & play ready modules

What Our Customers Say

  • PCM worked perfectly

    Ordered a PCM for my 2012 Ford F-150. Came VIN programmed and was true plug & play. Truck started right up, no issues at all. Saved me hundreds compared to the dealer.

    Mike R.
    Verified Buyer

  • Great customer support

    Wasn't sure which TIPM I needed for my Jeep. Their team helped me find the exact match using my VIN. Part arrived fast and fixed my electrical issues completely.

    Sarah K.
    Verified Buyer

  • Huge selection of modules

    Found a BCM for my 2015 Chevy Tahoe that no one else had in stock. Competitive price, fast shipping, and the module was in great condition. Will definitely order again.

    David T.
    Verified Buyer

  • ECM fixed my no-start

    My Dodge Ram wouldn't start and the shop said I needed a new ECM. Found one here pre-programmed to my VIN. Installed it myself in 20 minutes. Runs like new!

    Chris W.
    Verified Buyer

  • Repeat customer

    Third time ordering from Auto101. Every part has been exactly as described and fully functional. Their testing process really gives you confidence. Best auto module shop online.

    James L.
    Verified Buyer

  • Instrument cluster like new

    Needed a replacement instrument cluster for my Honda. The one I received was in perfect condition with correct mileage programming. Great communication throughout the process.

    Amanda P.
    Verified Buyer