Snap Scan H21

3-IN-1 Engine Doctor Scanner

Compact • Plug & Play • No Subscription

Designed for DIY users, mobile technicians and workshops, it provides useful diagnostic functions including fault-code reading, code clearing, battery-voltage checking, Check Engine Light reset and more. Designed to fit easily in the back pocket, the H21 is ideal for quick fault checks at home, at work or on the road. No complicated setup, subscriptions or software installation are required.

Unique Features

• Motorcycle & Car Compatibility:
  Supports compatible cars and motorcycles using OBDII, EOBD, EURO4 or EURO5 protocols.

• Google AI Mode Instant Problem Solving:
  Search displayed fault codes through Google with one click to find possible causes and solutions.

• Autroniq Cloud Printing:
  Scan a QR code to access and print a diagnostic fault report from previous readings.

• One-Click Fault-Code Sharing or Printing:
  Ideal for MOT centres, garages and DIY users. Share diagnostic information with customers or repair shops in seconds.

• ECU Reset Guidance:
  Provides guided instructions covering more than 12 ECU types.

Key Features

• Fast Engine Fault Scanning:
  In Two clicks, scan the vehicle and identify engine faults.

• Pocket-Friendly Design:
  Compact ergonomic body fits easily in the back pocket, toolbox or glove compartment, making it ideal for mobile use.

• Broad Vehicle Compatibility:
  Compatible with supported UK, European, American and Asian vehicles using OBDII or EOBD protocols.

• Engine Fault Diagnosis:

  • Reads Diagnostic Trouble Codes (DTCs).
  • Displays fault-code definitions.
  • Clears stored engine fault codes.
  • Turns off the Check Engine Light where applicable.

• Battery Voltage Monitoring:

  • Battery Voltage Drop Test.
  • Shows real-time voltage information on the device.

• Emissions & Readiness Testing:

  • I/M Readiness Status.
  • Monitor Status.
  • Freeze Frame Data.
  • Pending Fault Codes.

• Vehicle Information:

  • Reads VIN where supported.
  • Reads Calibration ID where supported.
  • Reads CVN where supported.

• 🔌 Simple Plug & Play Operation:
  Powered directly through the motorcycle diagnostic connection with no separate battery required.

• 🌐 Multi-Language Support:
  Includes English, German, French, Spanish, Italian, Dutch, Polish, Portugese, Turkish, Russian, Indonesian and Thai.

AUTRONIQ Cloud Printing

The Snap Scan H21 allows users to access and print a clear diagnostic fault report. This is ideal for keeping customer records, customer job information or personal report history.

Vehicle Coverage

• Compatible with cars using OBDII or EOBD protocols.
• Motorcycle Coverage (Euro5-Euro4 Requires adapter): Aprilia, BMW, Harley Davidson, Honda, Kawasaki, KTM, Kymco, Moto Guzzi, Royal Enfield, Suzuki, Triumph, Vespa, Yamaha, AJS, MGB, Lexmoto, Delphi, Royal Alloy, CF MOTO, Lambretta, MUTT, Heralds, BSA, Husqvarna, SYM, Benelli, SINNIS, Fantic, and many more...

Battery Voltage Monitoring

• Real time battery crank test and displays it on a graph.
• Displays real-time battery-voltage information on the scanner screen.

Supported OBDII Protocols

• SAE J1850 PWM (41.6 Kbaud)
• SAE J1850 VPW (10.4 Kbaud)
• ISO 9141-2 (5-baud initialisation, 10.4 Kbaud)
• ISO 14230-4 KWP (5-baud initialisation, 10.4 Kbaud)
• ISO 14230-4 KWP (fast initialisation, 10.4 Kbaud)
• ISO 15765-4 CAN (11-bit ID, 500 Kbaud)
• ISO 15765-4 CAN (29-bit ID, 500 Kbaud)
• ISO 15765-4 CAN (11-bit ID, 250 Kbaud)
• ISO 15765-4 CAN (29-bit ID, 250 Kbaud)
• Some Motorcycles private protocols

Supported Diagnostic Functions

• Read engine fault codes
• Clear engine fault codes
• Turn off the Check Engine Light
• Autroniq Cloud Printing
• Google fault-code search
• ECU reset guidance for motorcycles
• Battery voltage check
• Freeze Frame Data
• I/M Readiness Status
• Emissions Monitor Status
• Pending Fault Codes
• Vehicle information: VIN, CID and CVN where supported
• Self-Test Function
• Keyboard Test

Technical Specifications

• Diagnostic Interface: OBDII, EOBD
• Display: 2.4-inch display
• Operating Voltage: 6 V to 16 V
• Operating Current: 53 mA
• Working Temperature: 0°C to 62°C
• Scanner Dimensions: 145 × 73 × 23 mm
• Approximate Package Weight: 330 g

In the Box

• 1x Autroniq Snap Scan H21 Diagnostic Scanner
• 1x USB Type-C Data Cable
• 1x User Manual

Important Information

• ENGINE DIAGNOSTICS ONLY. DOES NOT SUPPORT ABS OR OTHER VEHICLE MODULES.
• DOES NOT SUPPORT SERVICE LIGHT RESET.
• Designed for compatible 16-pin OBDII Car & Motorbikes diagnostic connectors. Older vehicle types will require a purchase of a seperate adapter.
• This tool can read and clear diagnostic fault codes. Any issue causing the fault code must be diagnosed and repaired.
• Does not work on Electric Vehicles, designed for Petrol and Diesel only.