Code Readers & Scan Tools
Code readers and scan tools are needed to communicate with onboard computers and collect diagnostic data in modern cars. Basic code readers for home users and complex scanners for professional mechanics provide accurate car maintenance and troubleshooting.
Basic Code Readers: Easy and Effective
Basic code readers read and display DTCs from a vehicle’s computer. When onboard diagnostics detect a problem, they save a code and activate the “Check Engine” light. Code readers let users find problems fast without manual diagnostics.
Advanced Scan Tools: Bi-Directional Control and Real-Time Data
Beyond code reading, advanced scanners offer:
- Advanced scanners can read and clear DTCs after fixing the bug.
- Real-Time Data Streaming: Engine RPM, coolant temperature, and fuel trim may be monitored live to better understand vehicle performance.
- Bi-Directional Control: Professional scanners have this feature, which lets technicians activate or control car systems. They can test system components by cycling fuel injectors or activating an ABS pump.
Choosing a Code Reader or Scanner: Consider Compatibility
- Many products support OBD-II protocols for automobiles produced after 1996, but coverage varies by make and model. Some tools are brand-specific, but others are compatible.
- Software Updates: To stay current with diagnostic information as car systems improve and new codes are released, use a tool that can be updated regularly.
- GUI and Code Descriptions: DIYers need simple interfaces and clear code explanations. Many current tools have code libraries or connect to smartphone apps that describe DTCs and possible remedies.
- Predictive Maintenance: Advanced consumer-grade solutions use vehicle data to notify consumers of potential concerns before they become critical.
Code Reader and Scan Tool Limitations
Code readers and scan tools help diagnose car issues, but they cannot replace mechanical experience. These tools provide codes and data that represent symptoms, not causes. Identifying and fixing the root cause requires accurate code interpretation.
Advantages of Code Readers and Scan Tools
Code readers and scan instruments can detect car flaws early, preventing costly repairs. Regular maintenance with these tools gives car owners vital insights into their vehicle’s health and performance, helping them make informed repair and servicing decisions.
Showing 1–16 of 35 results
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Sale!
420 Bluetooth OBD2 Scanner Diagnostic Tool – Vehicle Code Reader for Car – Clears Check Engine Light – Comes with Premium OBD App On IOS & Android – Works For All Cars 1996 & Newer
Original price was: $44.99.$39.99Current price is: $39.99. Buy Now -
Ancel AD310 Universal OBD II Scanner, Enhanced Diagnostic Tool for Reading & Clearing Engine Fault Codes on 1996+ OBD2 Vehicles
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ANCEL AD410 Pro 2 in 1 OBD2 Scanner Battery Tester, OBD2 Scanner Diagnostic Tool for Car Check Engine Code Reader Scan Tool & 6V 12V 100-2000 CCA Battery Charging Cranking Test EVAP Live Data
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ANCEL AD410: Enhanced OBD2 Scanner & Engine Diagnostic Tool
Original price was: $59.99.$49.99Current price is: $49.99. Buy Now -
Autel MS309 OBD2 Scanner – Universal Car Diagnostic Tool for Engine Faults and Emissions
$22.99 Buy Now -
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Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2024 Upgraded
Original price was: $39.99.$35.99Current price is: $35.99. Buy Now -
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Autel Scanner MaxiCOM MK808S: 2024 Bidirectional Tool as MK808BT Pro MX808S M808Z, Function as MaxiCheck MX900, 28+ Service, Active Test, All System Diagnose, Injector Coding, FCA Autoauth Android 11
Original price was: $509.00.$479.00Current price is: $479.00. Buy Now -
AUTOPHIX 3210 Bluetooth OBD2 Scanner Enhanced Wireless Car Code Readers Auto Scan Tools Diagnostic Scanner Battery Test Check Engine Light APP for iPhone, iPad & Android
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bbfly-B6 OBD2 Splitter 16 Pin OBD II Splitter Extension 1x Male and 2X Female Extension Cable Adapter (1FT/30CM) (1Pack)
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BlueDriver Bluetooth Pro OBD2 Car Scan Tool and Code Reader – Check Engine Light Vehicle Scanner for iPhone & Android
Original price was: $119.95.$94.95Current price is: $94.95. Buy Now -
CGSULIT SC204 OBD2 Scanner – Advanced Diagnostic Tool for Vehicles After 1996
$59.98 Buy Now -
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FIXD Bluetooth OBD2 Scanner for Car – Car Code Readers & Scan Tools for iPhone & Android – Wireless OBD2 Auto Diagnostic Tool to Check Engine & Fix All Cars & Vehicles ‘96 or Newer (1 Pack)
Original price was: $59.99.$39.99Current price is: $39.99. Buy Now -
FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader,Diagnostic Scan Tool with SRS Airbag Scanner, Car Diagnostic for All Cars with Battery Test
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FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
Original price was: $89.90.$69.99Current price is: $69.99. Buy Now -
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Garnish Gripper Mechanic’s Stethoscope Automotive Engine Diagnostic Sensitive Hearing Tool for Cars, Trucks and Motorcycles,Black
Original price was: $7.14.$4.49Current price is: $4.49. Buy Now -
INNOVA 5210 – Newest 2022 OBD2 Scanner Diagnostic Tool – Read/Erase ABS Codes, Live Data, Battery/Charging System Test, iOS and Android
$65.99 Buy Now