Best OBD2 Scanners Under $50 for Live Data ABS & Engine Code

OBD2 scanners are essential tools for vehicle owners, enabling you to read and understand the Diagnostic Trouble Codes (DTCs) that trigger the dreaded Check Engine Light (CEL). These devices can save you time and money by helping you identify and address issues before they become severe, potentially avoiding costly diagnostic fees at the mechanic.

While professional OBD2 scanners can cost hundreds, there are plenty of powerful, wallet-friendly options available for under $50. This article introduces you to seven of the best budget OBD2 scanners that deliver key features like live data and readings for critical car systems.

1. Autophix OM123 Code Reader

The Quick-Check Handheld

Overview: The Autophix OM123 is one of the rare sub-$50 handheld units that can read and clear engine codes, as well as codes for ABS, SRS, and Transmission on compatible vehicles. It supports all OBD2 protocols and features an easy-to-read TFT color screen.

• Pros: Excellent multi-system coverage for the price point; User-friendly interface; Dedicated I/M readiness button.
• Cons: No advanced professional functions (bi-directional control).
• Who Should Buy It: DIYers who need basic diagnostics across the four main systems (Engine, ABS, SRS, Transmission) without relying on a smartphone app.

2. BAFX Products Bluetooth Diagnostic OBDII Reader

The App-Powered Interface

Overview: The BAFX Products Bluetooth Diagnostic OBDII Reader is a simple dongle that connects to your smartphone or tablet, utilizing powerful third-party apps (like Torque Pro or OBD Fusion) for vehicle diagnostics. It supports all OBD2 protocols and delivers reliable live data transmission.

• Pros: Extremely affordable; Compatible with both Android and iOS devices; Long Bluetooth range; Diagnostics power is limited only by the app you choose.
• Cons: Requires a separate, often paid, app for full functionality; Lacks a built-in display.
• Who Should Buy It: This device is ideal for those who prefer using their smart devices for diagnostics and want a reliable, inexpensive OBD2 interface that they can grow with.

3. Foxwell NT301 OBD2 Scanner

The All-Round Code Reader

Overview: The Foxwell NT301 is a highly rated, no-nonsense scanner that focuses solely on the engine. It can read and clear engine codes, display live data, and includes the essential One-Click I/M Readiness Key for emissions testing checks.

• Pros: Clear LCD screen; Free lifetime software updates; Excellent ease of use; Performs an EVAP system test.
• Cons: Limited to Powertrain (Engine) codes only.
• Who Should Buy It: Individuals who want a reliable, dedicated handheld scanner primarily for diagnosing Check Engine Lights and prepping for smog checks.

4. Innova 3030g OBD2 Code Reader

The Brand-Backed Beginner’s Tool

Overview: The Innova 3030g is an entry-level code reader from a highly respected brand. It simplifies the diagnostic process with its patented all-in-one screen, which displays the code, its definition, and a recommended fix at the same time.

• Pros: Backlit screen is easy to read; Clear, user-friendly interface; Includes code definitions and recommended fixes.
• Cons: Limited to basic engine diagnostics; Does not include multi-system support like ABS or SRS.
• Who Should Buy It: The first-time car owner or DIY beginner who values a trusted brand and needs simple, defined answers to their engine codes.

5. LAUNCH Creader 3001 (Recommended Budget Model)

The Value-Oriented Engine Tool

Overview: As a leader in professional diagnostics, the budget offerings from LAUNCH still deliver quality. The Creader 3001 is a compact unit that supports all 10 modes of the OBD2 test protocol, providing comprehensive engine diagnosis and live data.

• Pros: Excellent value from a professional brand; Easy-to-use button layout; Supports full OBD2 test functions.
• Cons: Limited to engine codes only; Screen is smaller than some competitors.
• Who Should Buy It: Individuals who prioritize brand reliability and need comprehensive engine diagnostics for a single vehicle.

6. Ancel AD310 Classic Enhanced OBD2 Scanner

The No-Hassle Handheld

Overview: The ANCEL AD310 is a highly popular budget scanner known for its wide vehicle compatibility and ease of use. It reads and clears engine codes, and its clear LCD screen displays live data and I/M readiness status with minimal effort.

• Pros: Simple, durable design; One-click I/M readiness key; No required software updates or batteries.
• Cons: Functions are limited strictly to the engine system.
• Who Should Buy It: Anyone who wants a simple, proven, and reliable handheld device to quickly check a CEL without needing to connect to a phone or PC.

7. Autel AutoLink AL319 (Recommended Budget Model)

The Professional’s Entry Point

Overview: Autel is a major player in professional diagnostic tools, and the AutoLink AL319 brings that quality to the budget market. It focuses on core engine diagnostics but utilizes the brand’s fast processor and signature One-Click I/M Readiness Key for quick smog test checks.

• Pros: Built with professional-grade quality; Simple one-button operation for smog checks; Excellent code definition lookup.
• Cons: Limited feature set compared to its higher-priced siblings.
• Who Should Buy It: Individuals who trust the Autel brand and need a fast, reliable, and durable scanner for checking the engine light and emissions status.

Conclusion

These seven OBD2 scanners under $50 prove that you don’t need to break the bank to gain control over your vehicle’s health. By investing in one of these budget-friendly tools, you’ll be able to diagnose and address issues with your vehicle more efficiently, saving you time and money in the long run. Choose the option that best matches your comfort level—whether that’s a simple wired handheld or a scanner that pairs with your favorite smartphone app.