Autel MS309
Price history via Keepa
We may earn a commission from links on this page. As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the date/time indicated and are subject to change.
Our verdict
The Autel MS309 is the ultimate budget tool for basic engine code reading and clearing. It is perfect for DIY beginners and car owners who want to avoid shop fees, but it is not suitable for those needing deep system diagnostics or advanced repair functions.
- ✓Extremely affordable and compact
- ✓Simple plug-and-play operation
- ✓Reliable engine code reading
- ✕No live data streaming capabilities
- ✕Cannot read ABS or SRS codes
The Autel MS309 is a no-frills, entry-level OBD2 scanner designed for the average car owner who wants to understand why their check engine light is illuminated. It is a straightforward plug-and-play device that requires no batteries or complex setup, making it an ideal glovebox companion for quick diagnostics on the side of the road. Because it is a budget-focused diagnostic scan tool, it lacks advanced features like live data streaming, ABS/SRS coverage, or bi-directional control, which are typically reserved for more expensive professional-grade equipment. It is built specifically for users who need a reliable, affordable way to identify engine faults without paying for a mechanic's diagnostic fee. While it is highly effective for basic engine issues, it cannot communicate with non-OBDII modules, meaning it will not help with airbag, transmission, or anti-lock brake system warnings. For the price, it offers impressive value for anyone looking to perform simple DIY car maintenance and verify if a check engine light is a minor sensor glitch or a significant mechanical concern.
Specifications
- Vehicle Coverage
- OBDII compliant vehicles 1996 and newer
- Live Data Streaming
- –
- ABS/SRS Diagnostics
- –
- Bi-Directional Control
- –
- Display Size
- 2 inches
Price history
Loads an image from graph.keepa.com (Keepa). Nothing is requested until you click.
Price history via Keepa, updated 15 Nov 2026, 01:17 UTC
How it compares
| Autel MS309 | Vgate iCar Pro | BlueDriver Bluetooth Pro | |
|---|---|---|---|
| Vehicle Coverage | OBDII compliant vehicles 1996 and newer | All OBD2 compliant vehicles | 1996 and newer vehicles |
| Live Data Streaming | — | ✓ | ✓ |
| ABS/SRS Diagnostics | — | — | ✓ |
| Bi-Directional Control | — | — | — |
Frequently asked questions
Will the Autel MS309 clear my check engine light?
Yes, it is designed to read and clear generic and manufacturer-specific diagnostic trouble codes that trigger the check engine light.
Does this scanner work on all cars?
It is compatible with most 1996 and newer OBDII-compliant vehicles sold in the United States, Europe, and Asia.
Do I need to update the software for this device?
No, the MS309 is a fixed-function tool and does not support firmware or software updates.
Can it diagnose airbag or brake issues?
No, this device is limited to engine-related diagnostic codes and cannot access SRS or ABS systems.
Popular products
Vgate iCar Pro
- Vehicle Coverage
- All OBD2 compliant vehicles
- Live Data Streaming
- ✓
BlueDriver Bluetooth Pro
- Vehicle Coverage
- 1996 and newer vehicles
- Live Data Streaming
- ✓
- ABS/SRS Diagnostics
- ✓
ANCEL DS500 Elite
- Vehicle Coverage
- 10000+ vehicle models
- Live Data Streaming
- ✓
- ABS/SRS Diagnostics
- ✓
ANCEL X7HD PRO
- Vehicle Coverage
- Heavy-duty diesel trucks and standard OBD2 vehicles
- Live Data Streaming
- ✓
- ABS/SRS Diagnostics
- ✓