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24 top-rated fault on AliExpress

We picked 24 fault from AliExpress with real orders and good reviews. Prices go from CHF 1.93 to CHF 119, the average rating is 4.9 stars and the most popular one has 30.4k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

  1. 1OBD2 Scanner Car Diagnostic Scanner ABS SRS Transmission System Scanner Check Engine Fault-39%OBD2 Scanner Car Diagnostic Scanner ABS SRS Transmission System Scanner Check Engine Fault Code ReadCHF 72.28 CHF 118★ 5.0 · 59 soldView on AliExpress →
  2. 2KONNWEI KW330 Professional Car OBD2 Diagnostic Tool Engine Battery Testing Fault Code Eras-8%KONNWEI KW330 Professional Car OBD2 Diagnostic Tool Engine Battery Testing Fault Code Erase Real-Time DataCHF 31.67 CHF 34.35★ 5.0 · 41 soldView on AliExpress →
  3. 3Autel AL549 OBD2 Scanner AutoVin Code Reader Erase ABS DTC Battery Test Check Engine Fault-5%Autel AL549 OBD2 Scanner AutoVin Code Reader Erase ABS DTC Battery Test Check Engine Fault DiagnostiCHF 57.57 CHF 60.77★ 5.0 · 38 soldView on AliExpress →
  4. 4Professional V520 OBD2 Diagnostic Scanner + BT172 Automotive Battery Tester Kit Read Clear-50%Professional V520 OBD2 Diagnostic Scanner + BT172 Automotive Battery Tester Kit Read Clear DTC Fault Codes LivCHF 19.04 CHF 38.10★ 5.0 · 16 soldView on AliExpress →
  5. 5For Diesel Truck Interface NEX IQ USB Link 2 Nexi-q-2 Bluetooth Heavy Truck Fault Detector-56%For Diesel Truck Interface NEX IQ USB Link 2 Nexi-q-2 Bluetooth Heavy Truck Fault Detector Heavy Duty ScannerCHF 119 CHF 270★ 5.0 · 14 soldView on AliExpress →
  6. 6KONNWEI KW340 Car CAN OBD2 EOBD Scanner Diagnostic Tool Engine & Battery Test Read Fault C-54%KONNWEI KW340 Car CAN OBD2 EOBD Scanner Diagnostic Tool Engine & Battery Test Read Fault Code Clear Real-TimeCHF 28.48 CHF 61.92★ 5.0 · 12 soldView on AliExpress →
  7. 7Automobile Battery Voltage And Current Tester, Dual-Mode Parasitic Current Tester With Dis-53%Automobile Battery Voltage And Current Tester, Dual-Mode Parasitic Current Tester With Display Screen,Fault DiCHF 6.39 CHF 13.59★ 5.0 · 11 soldView on AliExpress →
  8. 8Vgate VLinker MC+BT 3.0 4.0 Wifi ELM329 OBD OBD2 Automotive Fault Diagnosis Instrument Car-15%Vgate VLinker MC+BT 3.0 4.0 Wifi ELM329 OBD OBD2 Automotive Fault Diagnosis Instrument Car Diagnostic AutoCHF 63.19 CHF 74.34★ 5.0 · 8 soldView on AliExpress →
  9. 9KONNWEI Car OBD2 Diagnostic Tool Auto Code Reader Live Data Reading and Clear Vehicle Faul-53%KONNWEI Car OBD2 Diagnostic Tool Auto Code Reader Live Data Reading and Clear Vehicle Fault Codes OBDIICHF 61.25 CHF 130★ 5.0 · 5 soldView on AliExpress →
  10. 10Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault Detect-54%Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault DetectCHF 3.56 CHF 7.75★ 4.9 · 30.4k soldView on AliExpress →
  11. 11RELIFE XA5 Inductance Tester Electromagnetic Non-Contact Fault Detection-53%RELIFE XA5 Inductance Tester Electromagnetic Non-Contact Fault DetectionCHF 1.93 CHF 4.14★ 4.9 · 23.3k soldView on AliExpress →
  12. 12Car Diagnostic Tool CY3001 OBD2 Scanner Code Reader Car Voltage Tester Engine Fault Code S-55%Car Diagnostic Tool CY3001 OBD2 Scanner Code Reader Car Voltage Tester Engine Fault Code SCHF 8.32 CHF 18.53★ 4.9 · 8.7k soldView on AliExpress →
  13. 131-20Pcs Universal Car SRS Airbag Simulator Emulator Resistor Bypass Fault Finding Diagnost-58%1-20Pcs Universal Car SRS Airbag Simulator Emulator Resistor Bypass Fault Finding Diagnostic Tool AiCHF 1.93 CHF 4.55★ 4.9 · 8.5k soldView on AliExpress →
  14. 14V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I-61%V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, ICHF 7.99 CHF 20.34★ 4.9 · 6.3k soldView on AliExpress →
  15. 15Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine Automotive-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine AutomotiveCHF 2.43 CHF 7.34★ 4.9 · 3.3k soldView on AliExpress →
  16. 16V318 Auto Diagnostic Tool Scanner Automobile Battery Tester OBD2 Automobile Clear Fault De-57%V318 Auto Diagnostic Tool Scanner Automobile Battery Tester OBD2 Automobile Clear Fault DeCHF 13.04 CHF 30.62★ 4.9 · 2.9k soldView on AliExpress →
  17. 17Professional V520 Multi-language Automotive OBD2 Scanner Diagnostic Tool Real Time Data OB-58%Professional V520 Multi-language Automotive OBD2 Scanner Diagnostic Tool Real Time Data OBD2 Fault ErrorCHF 15.37 CHF 36.20★ 4.9 · 475 soldView on AliExpress →
  18. 18LAUNCH X431 Creader CR3001 OBD2 Scanner Engine Fault Automotive OBDII OBD Code Reader Diag-57%LAUNCH X431 Creader CR3001 OBD2 Scanner Engine Fault Automotive OBDII OBD Code Reader Diagnostic ScaCHF 18.60 CHF 43.67★ 4.9 · 428 soldView on AliExpress →
  19. 19KONNWEI KW371 2in1 Car Battery Tester & 4 Pin 5 Pin Relay Tester 6V 12V 24V Fault Data Pri-56%KONNWEI KW371 2in1 Car Battery Tester & 4 Pin 5 Pin Relay Tester 6V 12V 24V Fault Data Print Start TestCHF 43.02 CHF 98.56★ 4.9 · 213 soldView on AliExpress →
  20. 20Obd2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader, Used to Clear Cel, -52%Obd2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader, Used to Clear Cel, with Real-TimeCHF 9.13 CHF 19.03★ 4.9 · 49 soldView on AliExpress →
  21. 21KONNWEI KW330 Car OBD2 Fault Scanner Engine Battery Test Fault Code Clear Real-Time DKONNWEI KW330 Car OBD2 Fault Scanner Engine Battery Test Fault Code Clear Real-Time DCHF 26.37★ 4.7 · 3.8k soldView on AliExpress →
  22. 22V318 Auto Diagnostic Tool Scanner Automobile Battery Tester OBD2 Automobile Clear Fault De-50%V318 Auto Diagnostic Tool Scanner Automobile Battery Tester OBD2 Automobile Clear Fault Detects SuppCHF 15.66 CHF 31.30★ 4.7 · 2.5k soldView on AliExpress →
  23. 23KONNWEI KW906 Bluetooth5.0 - 5.2 OBD2 Scanners ELM327 V1.5 OBDII Fault Diagnostic Tool for-60%KONNWEI KW906 Bluetooth5.0 - 5.2 OBD2 Scanners ELM327 V1.5 OBDII Fault Diagnostic Tool forCHF 11.02 CHF 27.49★ 4.7 · 1.4k soldView on AliExpress →
  24. 24KONNWEI KW905 ELM327 OBD2 Scanner Bluetooth 5.0 Engine Fault Scanner Tool OBDII Code Reade-54%KONNWEI KW905 ELM327 OBD2 Scanner Bluetooth 5.0 Engine Fault Scanner Tool OBDII Code ReadeCHF 13.09 CHF 28.30★ 4.7 · 1.1k soldView on AliExpress →

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