TOPDON SMARTDIAG MINI - Pocket-sized OBD Code Reader
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TOPDON SMARTDIAG MINI - Pocket-sized OBD Code Reader

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  • Cover over 120 car makes worldwide
  • Access to ECU Information; Read / Clear DTCs; Display Live Data Stream
  • Free Lifetime: OBDII Diagnostics
  • 15 Maintenance Functions
  • 5 Credits to use any Vehicle Diagnostic Software / Maintenance Software of your choice for one year  
  • Add additional optional software modules instantly for a small fee
  • One-touch AutoVIN Technology: automatically identify the vehicle, and match the proper diagnostic software.
  • A diagnostic Report is automatically generated and can be shared via email
  • One-click wireless update via Wi-Fi
  • Feedback function for online technical assistance
  • Graphic and merge Live Data Stream for easier comparison


  • Read DTCs
  • Clear DTCs
  • Live Data
  • I/M Readiness Monitor Status
  • View Freeze Frame Data
  • O2 Sensor Test
  • On-board Monitor Test
  • EVAP Test (Mode $08)
  • Read Vehicle Information


  • Oil Maintenance Light Reset: Reset the oil service lamp after changing the engine oil
  • Steering Angle Reset: Reset the steering angle to zero to keep the car running straight
  • Injector Coding: Write the new injector code into the car system for the correct cylinder injection quantity
  • EPB Reset: Help to replace and reset the brake pad
  • ABS Bleeding: Help to exhaust the air in the ABS system in an easy way
  • Battery Matching: Register the battery after replacement
  • TPMS Reset: Reset the tire pressure
  • IMMO Service: Disable any lost keys to prevent the car from being stolen, and add new keys. **Only available for cars with a low-level IMMO system. If you need locksmith-level key programming, check our T-Ninja1000
  • Throttle Matching: Initialize the throttle actuators to the default state
  • Gearbox Reset: Help complete the gearbox self-learning to improve gear shifting quality
  • Sunroof Initialization: Initialize the sunroof when to be locked off, or closed
  • DPF Regeneration: Help remove the particulate matter to keep the trap stable
  • AFS Headlamp Reset: Initialize the adaptive headlamp system
  • Suspension Reset: Adjust the vehicle body height sensor for level calibration
  • Gear Learning: Help to finish tooth learning after changing the crankshaft in a car engine


  • Storage Temperature: -20℃~60℃ (-4℉~140℉)
  • Working Temperature: 0℃~50℃ (32℉~122℉)
  • Dimension: 61.8*48.6*22.4mm (2.43*1.91*0.88 inch)
  • Package size: 116*75*37mm (4.56*2.95*1.46 inch)
  • Net Weight: 40g (1.41 oz)
  • Multilingual Support: English, French, German, Spanish, Portuguese, Russian, Japanese


  • SmartDiag Mini
  • Quickstart Guide

Shipping Policy

All orders are shipped between 24 hours or less Monday through Friday from 9:00 am to 6:00pm. Orders placed after 2 p.m. EST will be shipped next business day. 

We may use the following carriers; FedEx, USPS and UPS. Our orders ship via FedEx within 48 continental U.S. states, Canada , Alaska, Hawaii and Puerto Rico. FedEx does not service P.O. Box or APO/FPO addresses .

We start processing the shipment of orders after we processed the payment.

We reserve the right to hold off shipping any orders that look fraudulent until we have a confirmation from a bank issuing a card

We are not responsible for lost or stolen items delivered in accordance with our shipping and delivery practices listed above. We are willing to work with a carrier to resolve any issues regarding your delivery.

Once a package has been shipped out per your order specifications, it is literally out of our hands and becomes the responsibility of the shipping carrier selected. We can't stop, delay or expedite any shipments once they have been shipped.

Only shipping services which have the transit time in the title (Next Day, Overnight, 2-Day, etc.) are guaranteed transit times. All other transit times (Ground, Priority, etc.) are estimates and are not guaranteed by the carrier or by LOCKSMITH KEYLESS. Shipping delays due to weather are not refundable as per the shipping carriers. Saturday delivery is not a guaranteed service. If Saturday delivery is selected and the shipment does not arrive on Saturday no shipping charges can be refunded.

Puerto Rico, Alaska & Hawaii

Orders to Puerto Rico, Alaska & Hawaii will not qualify for free shipping if they have ANY Hardware products on them and/or Key Machines. Only Automotive products are eligible for Free Shipping.

Weekend Orders

All orders placed after hours Friday, Saturday and Sunday will be shipped on Monday or the next business day in case of a holiday.

Friday - Overnight orders placed on Friday must be done before 2PM Eastern. Friday Overnight deliveries will arrive Monday unless a special Saturday delivery Overnight option is checked. 

Saturday and Sunday - Orders will be shipped on Monday or the next business day in case of a holiday.

International Shipping

For international shipping, please note that you may be responsible for paying any possible customs and import duties at the time of delivery, however you should only worry about those fees if you order several hundred dollars worth of goods shipped outside the US. We are unable to determine these fees during the checkout process. You can contact your local Customs office for details.

No-Hassle Returns

If you are not satisfied for any reason, products may be returned within 30 days of purchase for a full credit or exchange. Certain restrictions apply.

See Returns Policy