11 best obdii under $20.00
We picked 11 obdii from AliExpress with real orders and good reviews. Prices go from $2.69 to $18.60, the average rating is 4.9 stars and the most popular one has 6.3k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-61%V510 Professional Obdii Diagnostic Scanner, Engine Fault Code Reader, Live Data Stream, I/$7.99 $20.34★ 4.9 · 6.3k soldView on AliExpress → - 2
-59%KONNWEI KW901 ELM327 V1.5 Bluetooth 5.0 for Android/IOS OBDII OBD2 Scanner ELM 327 V1 5 Au$9.51 $23.44★ 4.9 · 4.1k soldView on AliExpress → - 3
-60%KONNWEI KW906 Bluetooth5.0 - 5.2 OBD2 Scanners ELM327 V1.5 OBDII Fault Diagnostic Tool for$11.02 $27.49★ 4.7 · 1.4k soldView on AliExpress → - 4
-54%KONNWEI KW905 ELM327 OBD2 Scanner Bluetooth 5.0 Engine Fault Scanner Tool OBDII Code Reade$13.09 $28.30★ 4.7 · 1.1k soldView on AliExpress → - 5
-57%LAUNCH X431 Creader CR3001 OBD2 Scanner Engine Fault Automotive OBDII OBD Code Reader Diagnostic Sca$18.60 $43.67★ 4.9 · 428 soldView on AliExpress → - 6
-50%Car OBD Extension Cable OBD2 16Pin Male to Female Extension Cable For All OBDII Code Scanners$6.33 $12.67★ 4.9 · 152 soldView on AliExpress → - 7
-53%OBD2 16pin Female Plug Extension Cable OBDII J1962 DIY Auto Scanner Cable 10cm Car Diagnostic Auto$2.69 $5.72★ 5.0 · 81 soldView on AliExpress → - 8-53%OBD2 16Pin Male to Female Extension Cable For All OBDII Code Scanners OBD 2 Extension Cable 16 PIN$5.59
$12.01★ 4.9 · 76 soldView on AliExpress → - 9
-54%ODB 2 OBDII Extension Cable 36cm OBD2 16Pin Connector for Thinkcar Thinkdiag/ Launch GOLO PRO 4.0$7.31 $16.05★ 4.7 · 62 soldView on AliExpress → - 10
-55%V520 OBD2 Scanner 2026 Upgrade OBDII EOBD CAN Car Diagnostic Tool Read Clear DTC Live Data Battery$11.16 $24.87★ 4.9 · 44 soldView on AliExpress → - 11
-48%Main Test Cable For Autel MaxiSYS Pro MS906/908/905/808 Elite OBDII Cable 16 Pin Adapter For Autel$8.86 $16.91★ 5.0 · 40 soldView on AliExpress →
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