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The 24 best-selling code reader on AliExpress

We picked 24 code reader from AliExpress with real orders and good reviews. Prices go from CHF 2.43 to CHF 197, the average rating is 4.8 stars and the most popular one has 48.6k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

  1. 1Professional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/Resetter, Su-54%Professional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/Resetter, Supports Real-TimeCHF 8.97 CHF 19.49★ 4.9 · 48.6k soldView on AliExpress →
  2. 2Popular 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 →
  3. 3M9 2026 OBD2 Code Reader Car Diagnostic Scanner Vehicle Scanner Tool-57%M9 2026 OBD2 Code Reader Car Diagnostic Scanner Vehicle Scanner ToolCHF 2.77 CHF 6.37★ 4.9 · 24k soldView on AliExpress →
  4. 4Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check Engine-58%Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check EngineCHF 2.43 CHF 5.83★ 4.9 · 10.4k soldView on AliExpress →
  5. 5Car 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 →
  6. 6Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic Tool-57%Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic ToolCHF 2.43 CHF 5.71★ 4.5 · 7.2k soldView on AliExpress →
  7. 7V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code Read-54%V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code ReadCHF 6.48 CHF 14.13★ 4.9 · 6.7k soldView on AliExpress →
  8. 8V510 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 →
  9. 9KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector SuppCHF 13.21 CHF 31.01★ 4.9 · 4.3k soldView on AliExpress →
  10. 10OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 for-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 forCHF 3.28 CHF 7.40★ 4.9 · 3.5k soldView on AliExpress →
  11. 11Bluetooth 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 →
  12. 12V315 OBD Diagnostic Scanner Auto Car Code Reader And Scanner Vehicles' Health Inspection T-65%V315 OBD Diagnostic Scanner Auto Car Code Reader And Scanner Vehicles' Health Inspection TCHF 6.64 CHF 18.74★ 4.9 · 2.5k soldView on AliExpress →
  13. 132Layer Hardware V1.5 Chip PIC18F25K80 ELM327 Bluetooth V1.5 Auto Code Reader Super MINI EL-57%2Layer Hardware V1.5 Chip PIC18F25K80 ELM327 Bluetooth V1.5 Auto Code Reader Super MINI ELCHF 5.80 CHF 13.45★ 4.9 · 2.4k soldView on AliExpress →
  14. 14V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code Read-53%V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code Reader ScannerCHF 9.20 CHF 19.57★ 4.6 · 2.4k soldView on AliExpress →
  15. 15ELM327 Bluetooth 5.1 V2.1 Auto OBD2 Scanner Car Diagnostic Tool Code Reader Tool Super MIN-56%ELM327 Bluetooth 5.1 V2.1 Auto OBD2 Scanner Car Diagnostic Tool Code Reader Tool Super MINCHF 3.11 CHF 7.10★ 4.9 · 2.2k soldView on AliExpress →
  16. 16ANCEL VD500 OBD2 Scanner Car Diagnostic Tool Full System Scan Code Reader-56%ANCEL VD500 OBD2 Scanner Car Diagnostic Tool Full System Scan Code ReaderCHF 35.48 CHF 80.57★ 4.9 · 2.2k soldView on AliExpress →
  17. 17ELM327 V1.5 Bluetooth 5.1 Car Code Reader With PIC18F25K80 Chip-60%ELM327 V1.5 Bluetooth 5.1 Car Code Reader With PIC18F25K80 ChipCHF 5.63 CHF 14.16★ 4.9 · 1.9k soldView on AliExpress →
  18. 18Thinkcar Thinksafe OBD2 Bluetooth Scanner Code Reader Car Bi-directional All System 6 Rese-47%Thinkcar Thinksafe OBD2 Bluetooth Scanner Code Reader Car Bi-directional All System 6 Reset OBDCHF 41.79 CHF 78.93★ 4.7 · 1.2k soldView on AliExpress →
  19. 19LAUNCH 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 →
  20. 20ELM327 Code Reader Scan Tool Bluetooth 5.1 Car Scanner JFIND JF327-55%ELM327 Code Reader Scan Tool Bluetooth 5.1 Car Scanner JFIND JF327CHF 6.75 CHF 15.05★ 4.5 · 377 soldView on AliExpress →
  21. 21Car OBD2 Scanner Diagnostic Tool Code Reader, Car Voltage Tester Engine Fault Code Scanner-49%Car OBD2 Scanner Diagnostic Tool Code Reader, Car Voltage Tester Engine Fault Code Scanner, Charging Tester DiCHF 11.20 CHF 21.78★ 4.5 · 343 soldView on AliExpress →
  22. 22Veepeak OBDCheck BLE OBD2 Bluetooth Scanner Car OBD II Diagnostic Code Reader Scan Tool-5%Veepeak OBDCheck BLE OBD2 Bluetooth Scanner Car OBD II Diagnostic Code Reader Scan ToolCHF 36.43 CHF 38.44★ 4.8 · 318 soldView on AliExpress →
  23. 23TOPDON TopScan Lite Scanner Smart Diagnostic Tool DTC Repair Guide Bluetooth OBD2 Code Rea-55%TOPDON TopScan Lite Scanner Smart Diagnostic Tool DTC Repair Guide Bluetooth OBD2 Code Reader Full SCHF 48.99 CHF 109★ 4.6 · 285 soldView on AliExpress →
  24. 24MUCAR VO6 OBD2 Car Diagnostic Tool Full System Auto Scanner Code Reader ABS Engine 28 Rese-61%MUCAR VO6 OBD2 Car Diagnostic Tool Full System Auto Scanner Code Reader ABS Engine 28 Resets Oil ScaCHF 197 CHF 505★ 4.9 · 235 soldView on AliExpress →

Quick picks

Most popularProfessional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/ReCHF 8.97 · ★ 4.9 · 48.6k soldCheapest well ratedV1.5 WIFI ELM327 OBD2 Scanner for iPhone IOS Android Auto car OBDII OBD 2 ODB IICHF 1.84 · ★ 5.0 · 15 soldBiggest discountBluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine ACHF 2.43 · ★ 4.9 · 3.3k sold

How much to pay

Tip: read the latest buyer photos on AliExpress and check the size or model before you order. Products with many orders and a rating of 4.7 or more are usually the safest choice.

Questions

What is the best-selling code reader?

The most popular one is "Professional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/Resetter, Supports Real-Time", with 48.6k orders.

How much does a code reader cost?

In this list prices go from CHF 1.84 to CHF 461; half of them cost less than CHF 19.59.

Which code reader has the best reviews?

"Professional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/Resetter, Supports Real-Time" has an average of 4.9 stars with many orders.

Are there discounts?

Yes. On average these products are 46% below their original price on AliExpress. Prices change often.

People also look for

Code Read

Prices and ratings come from AliExpress and can change. We may earn a commission when you buy through our links, at no extra cost to you.

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