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10 bestCheck Engine Light Reader For Freeof December 2025

112M consumers helped this year.

1

LAUNCH OBD2 Scanner CRP123E Check Engine/Antilock Braking/Airbag/Transmission Car Code Reader Diagnostic Scan Tool Generate Dignostic Report-Free Update

LAUNCH OBD2 Scanner CRP123E Check Engine/Antilock Braking/Airbag/Transmission Car Code Reader Diagnostic Scan Tool Generate Dignostic Report-Free Update

LAUNCH OBD2 Scanner CRP123E Check Engine/Antilock Braking/Airbag/Transmission Car Code Reader Diagnostic Scan Tool Generate Dignostic Report-Free Update

LAUNCH

9.9

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2

THINCAR Thinkdiag Mini Bluetooth OBD2 Scanner Diagnostic Tool, OE Full-System Car Scanner for iOS & Android, Check Engine Light Fault Code Reader & Scan Tool for All 1996 & Newer Vehicles, Free Update

THINCAR Thinkdiag Mini Bluetooth OBD2 Scanner Diagnostic Tool, OE Full-System Car Scanner for iOS & Android, Check Engine Light Fault Code Reader & Scan Tool for All 1996 & Newer Vehicles, Free Update

THINCAR Thinkdiag Mini Bluetooth OBD2 Scanner Diagnostic Tool, OE Full-System Car Scanner for iOS & Android, Check Engine Light Fault Code Reader & Scan Tool for All 1996 & Newer Vehicles, Free Update

thinkcar

9.8

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3

TOPDON Upgraded AD600S OBD2 Scanner, Diagnostic Tool, ABS SRS Transmission Engine Code Reader, 9 Reset Services Scan Tool, Oil/Brake/BMS/SAS/DPF/TPMS/ETS Reset, Injector Coding, Lifetime Free Update

TOPDON Upgraded AD600S OBD2 Scanner, Diagnostic Tool, ABS SRS Transmission Engine Code Reader, 9 Reset Services Scan Tool, Oil/Brake/BMS/SAS/DPF/TPMS/ETS Reset, Injector Coding, Lifetime Free Update

TOPDON Upgraded AD600S OBD2 Scanner, Diagnostic Tool, ABS SRS Transmission Engine Code Reader, 9 Reset Services Scan Tool, Oil/Brake/BMS/SAS/DPF/TPMS/ETS Reset, Injector Coding, Lifetime Free Update

TOPDON

9.6

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4

INNOVA 6100P SRS ABS OBD2 Scanner Car Code Reader Scan Tool Ignition Tester with Battery Alternator Test Oil Service Light Reset Car Health Monitor with Free Pouch

INNOVA 6100P SRS ABS OBD2 Scanner Car Code Reader Scan Tool Ignition Tester with Battery Alternator Test Oil Service Light Reset Car Health Monitor with Free Pouch

INNOVA 6100P SRS ABS OBD2 Scanner Car Code Reader Scan Tool Ignition Tester with Battery Alternator Test Oil Service Light Reset Car Health Monitor with Free Pouch

Innova

9.4

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5

LAUNCH Code Reader Car Diagnostic Tool - CRP123X OBD2 Scanner for Engine Transmission ABS SRS Scan Tool, Android 7.0-Based Wi-Fi One-Click Free Updates, 5.0‚ Touchscreen, Upgraded Version of CRP123

LAUNCH Code Reader Car Diagnostic Tool - CRP123X OBD2 Scanner for Engine Transmission ABS SRS Scan Tool, Android 7.0-Based Wi-Fi One-Click Free Updates, 5.0‚ Touchscreen, Upgraded Version of CRP123

LAUNCH Code Reader Car Diagnostic Tool - CRP123X OBD2 Scanner for Engine Transmission ABS SRS Scan Tool, Android 7.0-Based Wi-Fi One-Click Free Updates, 5.0‚ Touchscreen, Upgraded Version of CRP123

LAUNCH

9.2

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6

LAUNCH CRP123 OBD2 Scanner-2023 Newest Model Engine/ABS/SRS/Transmission Diagnostic Scan Tool SRS Airbag Code Reader,Lifetime Free Update

LAUNCH CRP123 OBD2 Scanner-2023 Newest Model Engine/ABS/SRS/Transmission Diagnostic Scan Tool SRS Airbag Code Reader,Lifetime Free Update

LAUNCH CRP123 OBD2 Scanner-2023 Newest Model Engine/ABS/SRS/Transmission Diagnostic Scan Tool SRS Airbag Code Reader,Lifetime Free Update

LAUNCH

8.9

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7

KONNWEI KW310 OBD2 Scanner Full OBDII Functions 10 Modes Car Engine Diagnostic Scanner Tool for All 1996 and Newer Cars (Black)

KONNWEI KW310 OBD2 Scanner Full OBDII Functions 10 Modes Car Engine Diagnostic Scanner Tool for All 1996 and Newer Cars (Black)

KONNWEI KW310 OBD2 Scanner Full OBDII Functions 10 Modes Car Engine Diagnostic Scanner Tool for All 1996 and Newer Cars (Black)

KONNWEI

8.6

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8

HID Omnikey 5022 CL Contactless USB Reader - R50220318-DB

HID Omnikey 5022 CL Contactless USB Reader - R50220318-DB

HID Omnikey 5022 CL Contactless USB Reader - R50220318-DB

HID

8.4

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9

thinkcar ThinkOBD 500 OBD2 Scannner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

thinkcar ThinkOBD 500 OBD2 Scannner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

thinkcar ThinkOBD 500 OBD2 Scannner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

thinkcar

8.1

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10

INNOVA 3040RS, OBD2 Scanner, Live Data Streamer, Battery/Alt Tester, Reset Check Engine Light/Brake Light/Oil Light, Free Mechanic Recommended Fix & Parts & Est Repair Cost, Free Updates

INNOVA 3040RS, OBD2 Scanner, Live Data Streamer, Battery/Alt Tester, Reset Check Engine Light/Brake Light/Oil Light, Free Mechanic Recommended Fix & Parts & Est Repair Cost, Free Updates

INNOVA 3040RS, OBD2 Scanner, Live Data Streamer, Battery/Alt Tester, Reset Check Engine Light/Brake Light/Oil Light, Free Mechanic Recommended Fix & Parts & Est Repair Cost, Free Updates

Innova

7.8

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