Best OBD-II scanners with ECU coding 2025/2026 list
Unlocking new features, disabling annoying warnings, or do other customizations in hidden car menus is possible with a scanner that supports ECU coding. But there are a lot to choose from, so let me show you the favorites I am using.
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Quick Recommendations
Mucar 892BT
The Mucar 892BT is the best overall one-tool solution, offering full diagnostics, ECU coding, and lifetime free updates.
(10% OFF with “CARHACKER” on official website)
Thinkdiag2
The Thinkdiag2 is my favorite Bluetooth scanner: it delivers pro-level diagnostics and ECU coding while keeping costs low by working with your smartphone.
(10% OFF with “CARHACKER” on official website)
Mucar VO7
The Mucar VO7 is one of the cheapest scan tools available, yet it still comes with OEM ECU coding features usually found in higher-end devices.
(10% OFF with “CARHACKER” on official website)
Thinkscan 689BT
The Thinkscan 689BT stands out as one of the few bi-directional scanners with full features, ECU coding, and free lifetime updates.
(10% OFF with “CARHACKER” on official website)
Vgate Vlinker MS
This is solid ELM327 adapter with better speed and connectivity than average adapter.
(⚠️ Carista requires a paid subscription).
Best OBD2 scanners with ECU coding
I’ve made this list of the best OBD2 scanners for ECU coding, but every tool here also supports full-system scans, bi-directional testing, and service resets. That means any of these scanners will be suitable for almost all of your car diagnostic and maintenance work.
1. Mucar 892BT
Mucar 892BT
Mucar 892BT offers full DIY to semi-professional functionality, including scanning all systems, checking used cars, or even unlocking hidden features for more than 150+ brands covered.
Best part? Free lifetime updates, AI mechanic, and even access to the DIY mechanics community.
I listed multiple places to buy (depending on location), but the cheapest is usually on the Thinkcar official website.
Find the best price
2. Thinkdiag2
Thinkdiag2
Thinkdiag2 s the fastest wireless OBD2 scanner I’ve tested. It covers everything a beginner or intermediate DIY mechanic needs, with wide vehicle coverage and advanced features rarely found in smartphone scanners.
You get bi-directional testing, ECU coding (enable/disable features), and access to every control module for scanning, live data, and detailed parameters.
Find the best price
3. Mucar VO7
Mucar VO7
The Mucar VO7 is one of the cheapest scan tools on the market but it does everything you need, even more advanced functions like ECU coding or OEM functionality, for example, long coding/adaptations for VAG cars.
4. Thinkscan 689BT
Thinkscan 689BT
Think car Thinkscan 689BT does it all. You have full-system scan/erase faults and data + all the service and coding features you might need as a DIY or semi-professional mechanic.
But with an amazing bonus. Free lifetime updates which is extremely rare in scan tools like this.
Get 10% OFF on the official website while it lasts.
Find the best price
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Best OBD2 scanners in 2025
I constantly test new OBD-II scanners to give you the best options possible. Here is a full list of the best tools in all categories currently.
Bought the Mucar 892bt as you recomended, however the website would not allow your discount code due to them having an offer on it themselves
Yes they often give out codes and you can only use one. If theirs is lower discount then 10% you can cancel their coupon and use mine.