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The 21 best-selling code reader on AliExpress

We picked 21 code reader from AliExpress with real orders and good reviews. Prices go from $3.04 to $44.35, the average rating is 4.8 stars and the most popular one has 62.4k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 1-65%Car Obd2 Scanner Diagnostic Tool Code Reader Engine Fault Code Reader Scanner Can Diagnose All Obd I$8.30 $23.73★ 4.5 · 62.4k soldView on AliExpress →
2. 2-50%Professional Obd2 Diagnostic Tool for Heavy-Duty Vehicle Repair - Code Reader/Resetter, Supports Real-Time$12.24 $24.45★ 4.9 · 48.6k soldView on AliExpress →
3. 3-54%Popular ELM327 WiFi OBD2 Diagnostic Scanner V1.5 Car Code Reader Check Engine Fault Detect$4.45 $9.69★ 4.9 · 30.4k soldView on AliExpress →
4. 4-57%M9 2026 OBD2 Code Reader Car Diagnostic Scanner Vehicle Scanner Tool for Automotive Troubl$3.46 $7.96★ 4.9 · 24k soldView on AliExpress →
5. 5-58%Mini ELM327 V1.5/V2.1 Bluetooth OBD2 Scanner Code Reader Car Diagnostic Tools Check Engine$3.04 $7.29★ 4.9 · 10.4k soldView on AliExpress →
6. 6-58%ELM327 V2.1 OBD2 Scanner Bluetooth Car Diagnostic Tool For Android /IOS Code Reader Automo$3.68 $8.74★ 4.9 · 9.9k soldView on AliExpress →
7. 7-55%Car Diagnostic Tool CY3001 OBD2 Scanner Code Reader Car Voltage Tester Engine Fault Code S$10.40 $23.16★ 4.9 · 8.7k soldView on AliExpress →
8. 8-57%Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic Tool For Android /IOS Automotive$3.04 $7.14★ 4.5 · 7.2k soldView on AliExpress →
9. 9-54%V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code Read$8.10 $17.66★ 4.9 · 6.7k soldView on AliExpress →
10. 10-61%V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I/$9.99 $25.43★ 4.9 · 6.3k soldView on AliExpress →
11. 11-57%KONNWEI MAXOBD Bluetooth OBD2 Scanner Auto Engine Code Reader Car Diagnostic Detector Supp$16.51 $38.76★ 4.9 · 4.3k soldView on AliExpress →
12. 12-56%OBD2 Scanner ELM327 Car Diagnostic Detector Code Reader Tool V1.5 WIFI Bluetooth OBD 2 for$4.10 $9.25★ 4.9 · 3.5k soldView on AliExpress →
13. 13-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine Automotive$3.04 $9.18★ 4.9 · 3.3k soldView on AliExpress →
14. 14-43%OBD2 Scanner Adapter BT, Wireless Diagnostic Code Reader OBD II Scan Tool Reset & Clear Check Car Engine Light$4.34 $7.63★ 4.5 · 2.5k soldView on AliExpress →
15. 15-65%V315 OBD Diagnostic Scanner Auto Car Code Reader And Scanner Vehicles' Health Inspection T$8.30 $23.42★ 4.9 · 2.5k soldView on AliExpress →
16. 16-57%2Layer Hardware V1.5 Chip PIC18F25K80 ELM327 Bluetooth V1.5 Auto Code Reader Super MINI EL$7.25 $16.81★ 4.9 · 2.4k soldView on AliExpress →
17. 17-53%V600 OBD2 Diagnostic Scanner Car Code Reader Vehicle Health Inspection Tool Auto Code Reader Scanner$11.49 $24.44★ 4.6 · 2.4k soldView on AliExpress →
18. 18-56%ELM327 Bluetooth 5.1 V2.1 Auto OBD2 Scanner Car Diagnostic Tool Code Reader Tool Super MIN$3.89 $8.88★ 4.9 · 2.2k soldView on AliExpress →
19. 19-56%ANCEL VD500 OBD2 Scanner Car Diagnostic Tool Full System Scan Code Reader for VW Audi Skod$44.35 $101★ 4.9 · 2.2k soldView on AliExpress →
20. 20-60%ELM327 V1.5 Bluetooth 5.1 Car Code Reader With PIC18F25K80 Chip for IOS Android Scanner OB$7.04 $17.70★ 4.9 · 1.9k soldView on AliExpress →
21. 21-60%For Yamaha For Honda Car OBD2 Scanner 3-in-1 Universal Motorcycle Cable Code Reader Battery Performa$8.51 $21.05★ 4.9 · 1.3k soldView on AliExpress →

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