This code reader works on all 1996 and newer OBD2 cars, light trucks, SUVs, hybrids, and minivans.

The company makes a wide range of them, from entry-level devices to high-end ones that cost thousands of dollars.

Some are OBD1 compatible while others are for OBD2 vehicles.

Its a system that vehicles use to diagnose themselves, identify problem areas and report those problems to the user.

Cars made prior to 1996 are OBD1 compliant while those made from 1996 onward are OBD2 compliant.

The 9 scanners that appear on this list performed impressively, and each one earned a spot in the review.

So which one will meet your needs Heres our recommendation section to ease you into the product reviews.

It uses electronics designed to retrieve engine and transmission diagnostic trouble codes from the vehicles computer but does not generate codes.

Its an entry-level Innova code reader, so as expected it doesnt cover much beyond the ECM.

The DTCs come as numeric codes, so you wont face the trouble of having to count flashes.

It has an inbuilt memory that stores codes after youve unplugged the device.

That means you can still review the diagnostic data even when the scanner is not connected to your car.

The difference is while the 3123 is designed for GM vehicles the 3145 covers the Ford brand of cars.

You can use it on domestic Fords, Lincolns and Mercurys manufactured between 1982 and 1995.

Innova 3140G Software Manual That Has

In case you need help, it comes with a manual that has a how to guide and code definitions.

For instance, it can generate live graphical data as well as reset the oil light.

You can also use the scanner to do battery and alternator tests.

This is a great feature for all but especially for DIYers and mechanics.

So if you are looking to reset the Check Engine Light then this device makes for a good option.

More specifically, it covers cars, SUVs, hybrids and light trucks made from 1996 to date.

But if your car is American-made you shouldnt have such issues.

It doesnt offer advanced functions that a professional needs.

But for a DIY person, the functionality is more than enough to prove a vehicles ECM successfully.