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4 best chip obd under $20.00

We picked 4 chip obd from AliExpress with real orders and good reviews. Prices go from $8.22 to $16.81, the average rating is 4.7 stars and the most popular one has 5.3k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 1-57%Openport 2.0 ECU FLASH Chip Tuning Tool Full Chip OBD2 Scanner$16.80 $39.21★ 4.9 · 5.3k soldView on AliExpress →
2. 2-53%K DCAN K+CAN FTDI Chip OBD2 Auto Car Diagnostic Tools OBD 2 Scanner Switch USB Interface C$16.81 $35.75★ 4.6 · 5.3k soldView on AliExpress →
3. 3-46%Best FTDI FT232RL Chip For V Group 409 KKL chip OBD2 Auto Car Diagnostic Cable Car Ecu Sca$8.22 $15.23★ 4.7 · 161 soldView on AliExpress →
4. 4ELM327 Bluetooth 5.1 Mini ELM327 v1.5 With PIC18F25K80 Chip OBD2 Car Scanner Diagnostic To$9.41★ 4.7 · 68 soldView on AliExpress →

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