MS309 OBD-II Code Reader

Product Overview

Standalone OBD-II code reader with built-in backlit LCD screen – MS309 OBD-II Scanner (Krovor). No phone, no app, no Bluetooth required – reads directly from the built-in 128×64 pixel backlit display.

Key Features

• No phone or app needed – this is a standalone wired reader with a built-in LCD screen. Unlike Bluetooth OBD2 dongles, the MS309 displays data directly on its own screen.
• Universal OBD-II fit – works with all 1996 and newer OBD-II compliant vehicles (cars and light trucks sold in the US, including domestic, Asian, and European brands). Verify your vehicle has a 16-pin OBD-II DLC port before ordering.
• Wired connection only – powered via the detachable OBD-II cable. No internal battery.
• English language display only – the device menu is in English. CD software supports 5 languages (EN/FR/ES/DE/NL).
• Built-In Backlit LCD Display – No Phone Required: 128×64 pixel backlit LCD screen displays DTC codes, live data, and diagnostic results directly on the device – no smartphone, no app, no Bluetooth pairing needed. Ideal for workshop use where a phone is not always available.
• Read + Clear DTC Fault Codes: Reads generic OBD-II codes, manufacturer-specific codes, and pending codes. Clears fault codes and turns off the Check Engine (MIL) light. Built-in 7,000+ DTC code definition library on included CD software.
• All 9 OBD-II Protocols Supported: Compatible with all 9 OBD-II protocols including CAN – covers all 1996+ US-sold OBD-II compliant vehicles.
• Check Engine Light Status: Determines Malfunction Indicator Lamp (MIL) status and I/M emission readiness monitor status.

Specifications

• Power source: vehicle-electrical-system
• Vehicle type: car; truck
• Standalone OBD-II code reader with built-in backlit LCD screen – MS309 OBD-II Scanner (Krovor). No phone, no app, no Bluetooth required – reads directly from the built-in 128×64 pixel backlit display. Reads and clears generic and manufacturer-specific DTC fault codes. Turns off Check Engine light. Powered directly via the OBD-II cable – no batteries needed. Universal OBD-II fit for all 1996+ cars. 250g.
• CE + FCC + RoHS Certified: Internationally certified for quality and compliance. 1-year warranty.
• ELM327 Bluetooth/WiFi dongle –: Wireless – requires phone + OBD-II app – basic read/clear codes + live data

Fitment & Compatibility

• Standalone OBD-II code reader with built-in backlit LCD screen – MS309 OBD-II Scanner (Krovor). No phone, no app, no Bluetooth required – reads directly from the built-in 128×64 pixel backlit display. Reads and clears generic and manufacturer-specific DTC fault codes. Turns off Check Engine light. Powered directly via the OBD-II cable – no batteries needed. Universal OBD-II fit for all 1996+ cars. 250g.
• Fitment & Notes:
• Universal OBD-II fit – works with all 1996 and newer OBD-II compliant vehicles (cars and light trucks sold in the US, including domestic, Asian, and European brands). Verify your vehicle has a 16-pin OBD-II DLC port before ordering.
• All 9 OBD-II Protocols Supported: Compatible with all 9 OBD-II protocols including CAN – covers all 1996+ US-sold OBD-II compliant vehicles.
• Vehicle type: car; truck

Package Includes

• Read + Clear DTC Fault Codes: Reads generic OBD-II codes, manufacturer-specific codes, and pending codes. Clears fault codes and turns off the Check Engine (MIL) light. Built-in 7,000+ DTC code definition library on included CD software.
• What's Included: