MS812 OBD2 Scanner – Car Diagnostic Tool & Battery Tester

$27.64 $33.90

MS812 OBD2 Code Reader – Full-System Car Diagnostic Scanner with Battery Tester

Take control of your vehicle's health with the MS812 OBD2 Scanner. Plug it directly into your car's OBD2 port and instantly read, diagnose, and clear engine fault codes — no trip to the mechanic required. Whether you want to turn off that check engine light, check your battery voltage, or monitor live sensor data, the MS812 gives you professional-grade insight in the palm of your hand. Made in Mainland China.

Key Features

Full OBD2 Support: Supports all 10 OBD II test modes for comprehensive vehicle diagnostics
Read & Clear Fault Codes: Quickly retrieve and erase Diagnostic Trouble Codes (DTCs) to reset your check engine light
Live PCM Data Stream: View real-time sensor readings and data curves for accurate diagnostics
Freeze Frame Data: Capture and review vehicle data at the exact moment a fault was triggered
I/M Readiness Status: Check emissions readiness before your next inspection
Battery Tester: Read and monitor your vehicle battery voltage — and get an exclusive battery life assessment
Vehicle Information: Access VIN, calibration IDs, and other vehicle-specific data
Oxygen Sensor Test: Evaluate O2 sensor performance
Component System Test (Mode 6 & 7): Run targeted component-level tests for deeper diagnostics
Fault Code Library: Built-in DTC lookup for instant code descriptions
13 Languages Built-In: Chinese, English, Korean, Japanese, Russian, Polish, Portuguese, Finnish, Italian, French, Spanish, Dutch, and German

Specifications

Model: MS812
Color: Black
Material: Plastic & Electronic Components
Display: Backlit 128×64 pixel LCD
Power Input: 5V–18V (powered via OBD2 port)
Operating Temperature: 0°C to 60°C / 32°F to 140°F
Storage Temperature: -20°C to 70°C / -4°F to 158°F
Country of Origin: Made in Mainland China

Supported OBD2 Protocols

SAE J1850 PWM (41.6 Kbaud)
SAE J1850 VPW (10.4 Kbaud)
ISO9141-2 (5 baud init, 10.4 Kbaud)
ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
ISO14230-4 KWP (fast init, 10.4 Kbaud)
ISO15765-4 CAN (11bit ID, 500 Kbaud)
ISO15765-4 CAN (29bit ID, 500 Kbaud)
ISO15765-4 CAN (11bit ID, 250 Kbaud)
ISO15765-4 CAN (29bit ID, 251 Kbaud)

What's in the Box

1× MS812 OBD2 Scanner
1× English User Manual

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Frequently Asked Questions

Q: What vehicles are compatible with the MS812 OBD2 scanner?

A: The MS812 OBD2 scanner is compatible with most petrol and diesel vehicles manufactured from 1996 onwards that support the OBD2 / EOBD standard. It supports nine major OBD2 protocols including CAN, ISO, and SAE variants, making it broadly compatible with cars sold in the US, EU, and many other markets.

Q: Can the MS812 turn off the check engine light?

A: Yes. The MS812 can read Diagnostic Trouble Codes (DTCs) that trigger the check engine light and then erase those codes once the underlying issue has been addressed, effectively resetting the check engine warning.

Q: Does the MS812 OBD2 scanner require batteries or charging?

A: No external batteries or charging are needed. The MS812 draws power directly from your vehicle's OBD2 diagnostic port, operating on 5V–18V supplied by the vehicle itself.

Q: How many languages does the MS812 support?

A: The MS812 has 13 languages built in: Chinese, English, Korean, Japanese, Russian, Polish, Portuguese, Finnish, Italian, French, Spanish, Dutch, and German — making it a versatile tool for drivers worldwide.

Q: Can the MS812 test my car battery?

A: Yes. The MS812 includes a dedicated battery tester function that reads your vehicle's battery voltage and provides a battery life assessment, helping you stay on top of your car's electrical system health.