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19 best elm obd under $20.00

We picked 19 elm obd from AliExpress with real orders and good reviews. Prices go from $2.28 to $16.85, the average rating is 4.8 stars and the most popular one has 9.9k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 1-58%ELM327 V2.1 OBD2 Scanner Bluetooth Car Diagnostic Tool$3.65 $8.67★ 4.9 · 9.9k soldView on AliExpress →
2. 2-57%Mini ELM327 V2.1 OBD2 Scanner Code Reader Bluetooth Car Diagnostic Tool$3.01 $7.08★ 4.5 · 7.2k soldView on AliExpress →
3. 3-31%KONNWEI KW905 Professional Car ELM327 OBD2 Scanner Bluetooth 5.0$8.99 $12.96★ 4.6 · 4.2k soldView on AliExpress →
4. 4-67%Bluetooth ELM327 OBD2 Car Code Reader Scanner V1.5 Fault Detector Check Engine Automotive$3.01 $9.10★ 4.9 · 3.3k soldView on AliExpress →
5. 5-54%KONNWEI KW905 ELM327 OBD2 Scanner Bluetooth 5.0 Engine Fault Scanner Tool OBDII Code Reade$16.23 $35.09★ 4.7 · 1.1k soldView on AliExpress →
6. 6KONNWEI KW906 ELM327 V1.5 OBD2 Car Fault Scanners Bluetooth 5.0 OBDII Diagnostic Tool$12.59★ 4.5 · 739 soldView on AliExpress →
7. 7-55%KONNWEI KW905 ELM327 V1.5 OBD2 Car Diagnostic tool Code ReaderScanners Bluetooth 5.0$16.85 $37.45★ 4.6 · 514 soldView on AliExpress →
8. 8-59%Vgate ICar2 ELM327 V2.2 OBD2 Scanner$13.94 $34.22★ 4.9 · 322 soldView on AliExpress →
9. 9-55%ICar 2 II WIFI Scanner Vgate ICar2 ELM327 V2.1 OBD OBD2 WIFI Bluetooth Scanner Diagnostic$14.95 $33.32★ 4.9 · 217 soldView on AliExpress →
10. 10-50%Diagnostic Instrument Android Windows ELM327 OBD2 V2.1 Bluetooth/WIFI Car Detector D$5.07 $10.13★ 4.9 · 175 soldView on AliExpress →
11. 11-46%ELM327 V2.1 OBD2 Scanner BT/Wifi ELM 327 OBD Car Diagnostic Tool$4.96 $9.19★ 4.7 · 58 soldView on AliExpress →
12. 12-54%Mini ELM327 V2.1 OBD2 Scanner Code Reader$3.87 $8.39★ 4.9 · 53 soldView on AliExpress →
13. 13-47%Mini ELM327 OBD2 Scanner V1.5 Bluetooth OBD Car Diagnostic Tool Code Reader$4.82 $9.04★ 4.6 · 51 soldView on AliExpress →
14. 14ELM327 V1.5 OBD2 Interface Diagnostic Scanner Tools Dual Chips PIC18f25k80$7.87★ 4.9 · 38 soldView on AliExpress →
15. 15-19%WIFI V1.5 PIC18F25K80 ELM327 OBD2 Scanner$8.87 $10.94★ 4.7 · 35 soldView on AliExpress →
16. 16KONNWEI KW905 ELM327 V1.5 OBD2 Diagnostic Tool Bluetooth 5.0$14.53★ 4.5 · 33 soldView on AliExpress →
17. 17-60%KONNWEI Bluetooth 5.0 PIC18f25k80 ELM327 V1.5 OBD2 OBD 2 Scanner ELM 327 V1 5 Car Diagnost$14.58 $36.20★ 5.0 · 27 soldView on AliExpress →
18. 18-38%Super Bluetooth BT4.0 ELM327 V2.1 OBD2 Scanner ELM327 2.1 OBDII Auto Car Diagnostic Tool E$5.00 $8.08★ 5.0 · 18 soldView on AliExpress →
19. 19-13%V1.5 WIFI ELM327 OBD2 Scanner for iPhone IOS Android Auto car OBDII OBD 2 ODB II ELM 327 V$2.28 $2.63★ 5.0 · 15 soldView on AliExpress →

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