Choosing between OBDScar OS601 vs. INNOVA 6100P vs. FOXWELL NT301, which one is the best?
An OBDII adapter is a convenient, small device that can provide you with a complete onboard diagnosis, along with universal trouble codes. This tool is the industry-standard method for monitoring and checking car performance.
When comparing OBDScar OS601 vs. INNOVA 6100P vs. FOXWELL NT301, the real question is how much money each of these devices can save you on car repairs.
Table of Contents
Editor’s Top 3 Picks Of OBDII Adapter Comparison Chart
| Editor's Pick | Perfect for Professionals | Best affordable | |
 OBDScar OS601 |  INNOVA 6100P |  FOXWELL NT301 |
|
| Customer Rating |  |  |  |
| Price |  |  | |
| Product Dimensions | 4.9 x 3 x 1 inches | 10.3 x 7.9 x 2.9 inches | 8.7 x 3.1 x 6.7 inches |
| Item Weight | 11.2 ounces | 1.32 pounds | 1.1 pounds |
| Full OBDII Modes (Read & Clear Codes, I/M Readiness, Freeze Frame, etc.) | ✔ | ✔ | ✔ |
| All-System Diagnosis (Transmission, SRS, ABS, Electrical, etc.) | -- | ✔ | ✔ |
| Reset Functions (Oil, TPMS, etc.) | -- | ✔ | ✔ |
| ABS Bleed | -- | ✔ | -- |
| Battery Maintenance (BMS) | -- | ✔ | -- |
| ECU Coding | ✔ | -- | ✔ |
| Service Light Reset | -- | ✔ | -- |
| Freeze Frame | ✔ | ✔ | ✔ |
| Vehicle Compatibility (Full Features) | All OBD II/EOBD/CAN compatible vehicles | North American made vehicles from 1996 to 2016. | All worldwide vehicles that have a standard OBD system. Even some 1994-1995 cars that use the OBD1 |
| Pros | Easy installation with the OBD port. Supports multiple languages. I/M readiness test. Fast and accurate, reads and erases the error codes quickly | Quick DTC display and erases code after maintenance. ABS and SRS are available. Battery monitoring is available. | Over 40 live graphic data and graphs can be seen. Hotkeys will let you easily clear out error codes. Compatible with all OBDII compliant vehicles. |
| Cons | P1121 code description might throw some errors | Can only test 4 cars. Cannot reset and add new cars. | May not support early Windows versions. |
Key Things In Common Between OBDScar OS601 Vs. INNOVA 6100P Vs. FOXWELL NT301
These OBDII scan tools are automotive engine fault code readers. They are cheap diagnostic tools that can save you hundreds of dollars in car repair costs by reading various diagnostic issues. The interface is easy to understand, and the fault codes are auto cleared. These diagnostic tools will save you the hassle of getting manual check-ups.
Key Differences Of OBDScar OS601 Vs. INNOVA 6100P Vs. FOXWELL NT301
Let’s break down each of the features of these diagnostic tools.
Design And Specifications
OBDScar OS601 OBD2 Scanner is a cost-effective solution to check why your engine light is on. The tool comes with a screen of 2.4 inches that displays all sensor details live when the device is plugged into the OBDII outlet. If the DTC has been repaired, the error code will be auto cleared.
The INNOVA 6100P is more advanced than the average OBDII scanners. It can read and erase ABS and SRS codes. Also, it can check the performance of the battery and run alternator tests. It is handy and comes in a branded carrying case. It also has onboard power, so even if your device is not plugged in, you can turn it on.
FOXWELL NT301 is not an average code reader. It can detect any misfires in the cylinders or engine down to the exact fault, so you will never worry about the causes of the problem. It’s a handheld device with a 2.8-inch screen with an easy navigation menu.
Overall Features And Functions
All three of these handheld diagnostic tools will let you do basic tests. They are compatible with all OBDII compatible cars. They also come equipped with a library of trouble codes. When the error is cleared through repair, the error code gets removed from the interface.
The difference is in the range of codes and error detection these devices support. All of them detect ECU information, which results in some of the most expensive repairs if not detected in time. Freeze frame data can be viewed for any DTC codes. The DTC codes will stay illuminated until it detects a repair that has been done, which fixes the issue causing it.
Extra Features/Functions
The unique features of the OBDScar include a smog check, so you can always stay ahead of paying emission fines. The O2 sensor test will help keep off engine issues. Along with that, the evap system test and onboard monitor test will allow you to understand the codes of the car’s overall diagnostics.
INNOVA 6100P has the special oil reset feature which will guide you through step by step procedures, saving you a needless visit to the mechanic. You can test the effect of the repair immediately by running a diagnostics scan. The code will be cleared.
FOXWELL displays the diagnostic codes and makes it easier to understand the issue with help. If you cannot read any of the codes, press the ‘?’ button beside the code, which will open up the full definition of the issue. O2 sensor works well, and the live sensor data has a playback option.
Supported Protocols
Not only does the OBDScar support all OBDII protocols, but it also supports ISO9141, KWP2000, J1850 PWM, J1850 VPW, and CAN, which is a level of variety you can’t see in most other diagnostic tools.
FOXWELL and INNOVA cover all OBDII protocols as well.
Supported Vehicles Makes
OBDScar supports all OBD II/EOBD/CAN compatible vehicles.
INNOVA supports North American made vehicles from 1996 to 2016.
The clear winner in this category is the FOXWELL, which supports all worldwide vehicles with a standard OBD system. Even some 1994-1995 cars that use the OBD1. Except they have to be connected with an adapter.
Software And Updates
OS601 upgrades are available with the seller for free at any time.
You can update the INNOVA by yourself and contact customer care if you run into any issue you cannot fix.
The FOXWELL updates are available on the official website. But it is only applicable for Windows systems.
Pros And Cons
OBDScar OS601
Pros
- Easy installation with the OBD port.
- Supports multiple languages.
- I/M readiness test.
- Fast and accurate, reads and erases the error codes quickly.
Cons
- P1121 code description might throw some errors.
OBDScar OS601
INNOVA 6100P
Pros
- Quick DTC display and erases code after maintenance.
- ABS and SRS are available.
- Battery monitoring is available.
Cons
- Can only test 4 cars. Cannot reset and add new cars.
INNOVA 6100P
FOXWELL NT301
Pros
- Over 40 live graphic data and graphs can be seen.
- Hotkeys will let you easily clear out error codes.
- Compatible with all OBDII compliant vehicles.
Cons
- May not support early Windows versions.
FOXWELL NT301
So Which One Should You Go For?
OBDScar OS601 is good for overall diagnostics. INNOVA has more comprehensive features. If you have an older model or OBDII supportive car, then FOXWELL could be the better option.
Overall, these are cheap and effective diagnostic tools that can check most car issues. They also have easy manual instructions for usual fixes. Check the compatibility with your car before buying it.
FAQs
Q: Can I update OBDScar OS601, INNOVA 6100P, FOXWELL NT301 for free?
The update is available for free for all three diagnostic tools. You can either contact the seller or download the software from the official website.
Q: Can the INNOVA 6100P support Toyota models after 2015?
There is no SRS/ABS detection available for the newer Toyota models. The OBD2 Scan Tool is outdated in this regard.
Q: What cars does FOXWELL not support?
As reported by users, the scanning tool may not be compatible with the following cars: 2005 Mazda 6, 1997 Ford F-150, 2005 Ford Taurus. Check with the seller for complete details if you are worried that it might be incompatible with your car.
Q: Can the INNOVA reset the oil service light?
The light will guide you through the steps to fix the issue related to oil. It does not fix this issue automatically. It will tell you everything required to perform the repair when you run the diagnostics after fixing the problem. The code should get cleared if the repair worked correctly.
Q: Can I use diagnostic tools while driving?
You can use the tools while driving. But use with caution and have the passenger seat driver check the diagnostics. The FOXWELL does not support cylinder tracking on live mode. It also has a shorter cord. So, exercise caution while driving not to get distracted.
Q: Why can’t I use a wireless Bluetooth device for detecting the issues?
The functionality of the wireless code readers could not support all the issues. The plugin OBDII code diagnostic readers have a much larger range of codes available for performing diagnostics.
Read more: Foxwell NT510 vs. NT520 Pro: Honest Review and Comparison
