Autel MaxiCheck MX900 Bidirectional Diagnostic Scanner

The Autel MaxiCheck MX900 is a vehicle diagnostic scanner listing bidirectional active tests, all-system diagnostics, and CAN FD and DoIP protocol support. Its 8-inch display and reported service functions suit owners or workshops doing more than basic code reading, but vehicle compatibility and the exact hardware configuration should be confirmed before purchase.

At a glance

Listing describes bidirectional control with more than 3,000 active tests, allowing commands to be sent to vehicle ECUs for actuator checks.
Advertised all-system diagnostics include reading and clearing codes, ECU information, live data, and data recording and playback.
CAN FD and DoIP support is claimed, alongside FCA Secure Gateway access for listed makes and systems.
The listing claims more than 40 service functions, including resets, calibrations, and initialization tasks.
Pre- and post-scan reports, Auto Scan 2.0, and Wi-Fi printing are among the advertised functions.

Price

$639.20Save 15%

Reference price: ~~$749.00~~

Price checked: Nov 13, 2026

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Often bought together

Autel MaxiCheck MX900 Scanner, 3000+ Bidirectional Diagnostic, CAN FD DoIP | 2026 8in Scan Tool Up of MaxiCOM MK808S MX808S M

$79.00

Pros and cons

Pros

Bidirectional tests and live-data tools offer diagnostic options beyond basic code reading.
The claimed 40-plus service functions combine common maintenance resets with additional relearn and calibration tasks.
An 8-inch screen provides a larger stated display than the 7-inch tools referenced in the listing.

Technical specifications

5 specifications

Identity
Brand	Autel
Model	MX900

Display and video
Screen size	8 inches

Power and battery
Power configuration	Battery Powered

Dimensions and installation
Dimensions listed	25.4 x 17.53 x 3.56 cm; 3.12 kg

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the battery is listed as 7000mAh in one feature and 7700mAh elsewhere, while a claimed five-times scan-speed improvement has no stated comparison method. Hardware and feature comparisons to MK900, MK900BT, and other models are also not clearly reconciled. Confirm the selected MX900 version and vehicle coverage before buying. Service functions, protocol support, and FCA access depend on vehicle compatibility. The listing also gives conflicting language guidance, describing selectable English with Spanish or Portuguese in one place and fixed default language options in another. It claims one year of software updates, after which most features are said to remain available.

Who is it for?

A good fit for

DIY vehicle owners comfortable with diagnostic tools who want active tests and service functions beyond basic OBD code reading.
Independent repair settings looking for a handheld scanner with claimed all-system data, CAN FD and DoIP support, and report tools.

Less suited to

Buyers who only need a simple code reader and are unlikely to use active tests or service functions.
Anyone needing guaranteed compatibility with a particular vehicle, language, or function without verifying the selected listing and coverage first.

Autel MaxiCheck MX900 Bidirectional Diagnostic Scanner · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 96 ratings

5 stars78%78%
4 stars8%8%
3 stars6%6%
2 stars5%5%
1 star3%3%

Customer feedback describes the scanner as capable and easy to use, with positive mentions of functionality, value, graphing, and perceived result precision. Some users say initial setup takes time. That feedback may matter to buyers planning regular diagnostics, but it does not establish vehicle compatibility or verify the advertised active tests, protocols, or service coverage. Aggregate ratings lean positive while still including a smaller spread of lower ratings.

Positive themes

Feedback highlights perceived functionality and ease of use.
Customers mention useful graphing and results they consider precise.

Negative themes

Some feedback says setup takes time.

Frequently asked questions

Can the MX900 perform bidirectional tests?

The listing claims more than 3,000 active tests and says the scanner can send commands to vehicle ECUs. The available tests depend on vehicle compatibility.

Does the MX900 support CAN FD and DoIP?

The listing claims support for both protocols. Confirm compatibility for the specific vehicle and model year before relying on either protocol.

How long are software updates included?

The listing claims one year of free software updates and says most features remain available after updates expire. The listing's language instructions are inconsistent, so confirm language availability as well.