(4.4 / 5)Table of Contents
Autophix OM121 Overview
Autophix OM121 is an excellent entry-level diagnostic tool.
It offers you the opportunity to quickly diagnose the check engine light.
The best part is that it is compatible with both foreign and domestic cars that are post-1996.
Besides, Autophix OM121 is also compatible with the US, ASIAN and EU built vehicles.
At the same time, you will able to retrieve I/M readiness test as well as read and clear ABS using this code reader.
And the most outstanding feature about this code reader is that it reads pending and historic codes.
It also defines the codes on the screen.
For more information on Autophix OM121, read this review based on firsthand information.
Autophix OM121 vs Autel AutoLink AL319 vs JDiag OM123 Comparison Chart
Comparison of Autophix OM121, Autel AutoLink AL319, and JDiag OM123 Enhanced OBD2 Scanner Car
1 | 2 | 3 |
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 |  |  |
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 (4.4 / 5) | (4.4 / 5) |  (4.8 / 5) |
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Read and clears check engine light | Read and clears check engine light | Read and clears check engine light |
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Compatible with vehicles manufactured after 1996 | Compatible with vehicles manufactured after 1996 | Compatible with vehicles manufactured after 1996 |
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Compatible with US, EU, Asian built cars | Compatible with US, EU, Asian built cars | Compatible with US, EU, Asian built cars |
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Does not support ABS diagnostic functions | Does not support ABS diagnostic functions | Supports ABS diagnostic functions |
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Supports I/M readiness test | Displays emission status | Displays emission status |
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Supports EVAP codes | Does not support EVAP codes | Support EVAP codes |
BONUS: Autel AutoLink AL319: OBD2 & CAN Automotive Code Reader / Scanner Review
Detailed Review of Autophix OM121
Features and Functionality
1. Read and check engine light
Strength
If you want to quickly diagnose the cause of Check Engine Light then Autophix OM121 is a preferred code reader.
The code reader is designed to establish a quick connection with the vehicle’s On-board computer.
As a result, the Diagnostic Trouble Codes (DTCS) are quickly displayed on the screen.
Besides, you will be able to retrieve DTCs on foreign and domestic cars that are manufactured after 1996.
Its compatibility extends to SUVs, light trucks, and hybrid vehicles.
The advantage of being able to quickly retrieve DTCs helps you to save time and money.
This is because you will reduce the number of trips to your mechanic.
At the same time, if you are a DIY you can be able to fix the faults and clear the Check Engine Lights without incurring any cost.
And when you are not in a position to fix the fault, you will not be overcharged by your mechanic.
The reason is that you already know the cause of the Check Engine Light.
Weakness
It does not support most of the diagnostic functions.
2. Read and Erase ABS codes
Strength
Being able to retrieve VIN accurately of any vehicle is an important procedure.
This is because the VIN can help you track the history of a car.
Retrieving VIN is particularly important if you want to a buy a used car.
You can be able to tell the millage as well as the exchange of ownership.
Weakness
Autophix OM121 cannot retrieve VINs on heavy trucks and some foreign models that are indicated by the manufacturer.
3. Check Emission status
Strength
Autophix OM121 can help you establish the emission status of your car at a glance.
This is because the code reader can retrieve the I/M readiness status of your car.
You will be able to retrieve codes that indicate that your vehicle is in good condition.
It means that your car is ready for a smog test.
At the same time, you will be able to get codes indicating that there are minor unresolved issues.
You can use the Autophix OM121 to perform a complete scan to check and clear codes responsible for these unresolved issues.
Once you have cleared the faults then your car has a higher chance of passing the emission status.
On the other hand, you can retrieve codes indicating serious emission status.
When you retrieve codes for serious emission status your car will not pass the smog test.
It is, therefore, recommended that you take your vehicle to a mechanic for a compressive check on the fuel system.
Weakness
Autophix OM121 cannot display emission status on heavy trucks.
4. Defines the Diagnostic trouble codes
Strength
Autophix OM121 is capable of retrieving diagnostic codes and subsequently defines the codes.
Definition of diagnostic trouble codes is an important feature for any average car owners and DIYers.
It implies that you will be able to accurately determine what is causing Check Engine light.
Weakness
Autophix OM121 is limited in its diagnostic scope.
It does not perform most of the advanced diagnostic functions.
Compatibility
Autophix OM121 is compatible with both foreign and domestic vehicles manufactured as from 1996.
Besides, you will be able to scan Asian, EU, and US vehicles.
Pros and Cons
Pros Cons
Who is it built for?
Autophix OM121is primarily build for average car owners and DIYers.
Its simplicity and ease of use allow car owners to read and retrieve codes.
Besides, it has a screen that allows you to access the retrieved codes easily.
As a result, you will be able to retrieve diagnostic codes really quickly.
The Bottom Line
Currently, there are numerous code readers in the market today.
However, obtaining an accurate code reader that can retrieve accurate information may not be easy.
Luckily, Autophix OM121 can retrieve codes accurately and quickly.
Besides, it is compatible with a wide range of the vehicle.
It can read check engine lights in foreign and domestic cars.
Autophix OM121 is a code reader that you can comfortably recommend to any average car owners.
