Best Topdon AL201 OBD2 Code Reader Reviews 2020 [Update]

Topdon AL201 OBD2 Code Reader is an entry-level OBD2 scanner for daily car maintenance. It works on most 1996 US-Based, 2000 EU-Based and newer vehicles, featuring a large LCD screen, I/M hotkey, and supports full OBD2 functions to help you efficiently read trouble codes, test vehicle emissions, and turn off MIL. Despite its low cost, this device comes with some very impressive features.

Topdon AL201 OBD2 Code Reader Comparison Chart: Topdon AL201 vs Topdon AL200
Let’s look at the features and functionalities of these OBD2 scan tool( View table image ):
Product Topdon AL201 Topdon AL200
Customer Rating 4.6 / 5 4.6 / 5
Price Check Check
OBD2 Functions
Read DTC
Clear DTC
Read Vehicle Information
Read I/M Readniess Status
Read Freeze Frame Data
Read Live Datastream
O2 Sensor Test
On-Board Monitoring(Mode 6)
Component Test
DTC Lookup
Support & Service
Multilingual Support
Data Graphing
Prints Data via PC
Data Record and Replay
Free Updata Online
Languages English
Topdon AL201 OBD2 Code Readers Reviews:

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Topdon AL201 OBD2 Code Reader
4.6/ 5

An entry-level OBD2 scanner for daily car maintenance which comes with some very impressive features

Topdon AL201 OBD2 Code Reader Features
  • 1. Read Codes – read generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes;
  • 2. Clear Codes – clear detected trouble codes and turn off the MIL/Check Engine Light;
  • 3. Live Data Stream – view graphically real-time parameters;
  • 4. Freeze Frame – view the vehicle’s operating parameters when a DTC is detected;
  • 5. I/M Readiness Status – have a vehicle inspected before the State Emissions Test;
  • 6. O2 Sensor Test – check the oxygen sensors for fuel efficiency and emissions;
  • 7. On-board Monitor Test – determine if each monitor is OK by comparing values;
  • 8. Component Test – initiate a leak test for EVAP system to test components or modules;
  • 9. Vehicle Information – retrieve the vehicle information of VIN, CINs, and CVNs.
Topdon AL201 OBD2 Code Reader Compatibility

The Topdon AL201 OBD2 scanner works on most 1996 US-Based, 2000 EU-Based, and newer vehicles (OBD2 and CAN Protocols).

Topdon AL201 OBD2 Code Readers: Advantages VS Disadvantages
Pros Cons
Compact and rugged design Does not support ABS and SRS diagnoses
Comes with 12-month warranty and lifetime free online updates
Several languages supported, including English, French, Russian, Germany, Italian, Spanish and Portuguese
Built-in lookup library for definitions
Who is Topdon AL201 OBD2 Code Reader suitable for?

This Topdon OBD2 scan tool is meant for beginner and intermediate car owners who have just a little knowledge about car diagnostics.

  • Q: Can this reader be used on hybrid-engined vehicles (Toyota Prius V, for example)?
  • A: Call your dealership and ask if your car is OBD II compliant.
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