Last Updated on December 26, 2024
Konnwei KW808 diagnostic scan tool is a reliable and accurate diagnostic code reader. It is affordable but still performs the functions of top-range scan tools. It has a large screen that makes the reading of error codes to be easy and quick. This scanner supports all 9 OBDII test modes on all OBD2, EOBD, and CAN-compliant vehicles. It covers vehicles manufactured from 1996 to and current, such as Ford, Chrysler, Honda, Toyota, Nissan, etc.
You can utilize it to detect pending codes, retrieve vehicle information, read live PCM data stream, display monitor and I/M readiness status, and many other functions. Read our Konnwei KW808 Reviews to learn more about this scan tool.
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Technical specifications |
Konnwei KW808 OBD2 |
| Works: | ALL 1996 and later vehicles |
| Display: | DTC definitions on unit screen |
| Check Engine Light(MIL): | Easily determines the cause |
| o2 sensor test data: | Yes |
| Reads live PCM DataStream: | Yes |
| Identifies pending codes: | Yes |
| Playbacks Live Sensor Data: | Yes |
| Reads and stores Data: | Yes |
| Playbacks live sensor data: | Yes |
| Clears codes & resets monitors: | Yes |
| Graphs data c (1996 and newer): | Yes |
| Retrieves vehicle information: | VIN, CIN, and CVN |
| Views freeze frame data: | Yes |
| Prints data via PC: | Yes |
| Reads live PCM datastream: | Yes |
| Software Update: | Free Updates via the Internet |
| Prints data via pc: | Yes |
| Get transmission codes: | Yes |
| Price: |  Check Today’s Price |
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Konnwei KW808 Reviews (With Video):
The Konnwei KW808 can be upgraded via the internet, and it supports CAN and has memory/battery for backup or off-vehicle information. This is definitely an amazing scanner for both mechanics and DIYers to diagnose the toughest error codes on your vehicle. You can also take a look at the Ancel AD310 Universal OBD II Scanner, which price is almost the same as Konnwei KW808.
Diagnostic Features
- Built-in OBD2 DTC lookup library
- Supports all OBD2 test modes
- Compatible with numerous vehicles
- Reads live PCM datastream
- OBDII protocols
- Memory/battery backup
- Shows DTC definitions on the unit screen
- Displays live O2 sensor test data
- Performs modules present test
- Displays monitor and I/M readiness status
- Detects pending codes
- Reads, stores, and playbacks live sensor data
- Retrieves vehicle information
- Software upgradeable through the internet
- It Covers 1996 vehicles and newer models
- Carry case
Sturdy construction
Like Autel AL319 and Foxwell NT301, Konnwei KW808 is a sturdily constructed scan tool. It is made from a durable plastic casing that can resist tough conditions that the mechanic or technicians work in. This makes it a durable device that can be utilized for a very long period of time by the user. In addition, it has a carry case for easy transportation and storage.
Easy to use the device
If a scan tool is complicated or has a wide range of features, it might be difficult to use. This is not the case with the Konnwei KW808 diagnostic scanner. This is because it has an easy-to-use interface and a large easy to read backlit LCD screen. Hence, you will be able to read clearly clear codes.
Related article: Is it worth buying an upgraded Innova 3030 code reader?
Software upgradeable
One of the features that mechanics look for in a scan tool is if it is upgradeable or not. A good scan tool should be updateable so that it can be used to scan the latest car models. Konnwei KW808 diagnostic scanner can be upgraded via the internet. All you need is to connect it to a PC by use of the USB cable and upgrade the software.
Check Price
Performs a wide range of functions
As simple and sleek as the Konnwei KW808 car scan tool appears to be, it is able to perform a wide range of functions. This means it can be utilized by both DIYers and professional mechanics. Here are some of the functions that it performs on different cars; it views freeze frame data, displays O2 sensor test data, displays DTC definitions, carries out modules present tests, retrieves vehicle information, displays monitor and I/M readiness status, and many other functions.
Battery/memory backup
In case your car engine runs out of power or if it is switched off, you can always proceed to scan error codes and clear them, too. The Konnwei KW808 diagnostic scanner comes with a backup battery that can power the scan tool even when the car is off.
The compact and portable device
The Konnwei KW808 device comes with a carry case for keeping it and for easy transportation. You can keep the USB cable and OBD2 linking port inside the bag. This will ensure the safety of the scan tool.
Wide vehicle coverage
This code reader model from Konnwei covers different car makes and models manufactured from 1996 and newer. Some of these vehicles include Toyota, Ford, Nissan, Chrysler, Honda, and other Asian and European 1996 and current vehicles.
Troubleshooting of the Konnwei KW808 OBD2 scanner
| Problems | Possible Cause | Solutions |
|---|---|---|
| No Power | Dead vehicle battery or loose connection | Check the vehicle battery; ensure the OBD2 connector is firmly attached |
| Error Connecting | Incompatible vehicle or faulty connection | Verify vehicle compatibility; recheck OBD2 connection |
| Inaccurate Readings | Dirty or damaged connector pins | Clean or repair connector pins |
| Device Freezes | Software glitch | Reset the device; update software if available |
| No Codes Found | No faults or device error | Recheck with another scanner if necessary |
| Intermittent Function | Loose cable or poor connection | Secure all connections; check for cable damage |
| Blank Screen | Device fault or power issue | Check device power supply; consider device repair or replacement |
Comparison Table: Konnwei KW808 vs. Konnwei KW850 OBD2 Scanner
| Features | KW808 | KW850 |
| Dimensions: | 9.96 x 7.28 x 2.68 inches | 9.46 x 3.94 x 2 inches |
| Weight: | 1.54 pounds | 1 pound |
| Display Size: | 2.8 inches | 2.8 inches |
| DTC Look-up & Definition: | No | Yes |
| O2 sensor test data: | Yes | Yes |
| Views freeze frame data: | Yes | Yes |
| Price: | Low | Medium |
Advanced version Of Konnwei KW808:
Konnwei KW902
- Dimensions: Dimensions 4.72 x 2.76 x 1.02 inches
- Weight: 1.58 Ounces
- Operating System: Windows, Android
- UART Params: 38400,8,n,1
- RF sensitivity(Basic Rate): -85db
- Modulation Mode: FSK
- Frequency: 2402 ~ 2480MHZ
- Supply voltage(VDD): 12V
- Work temperature: -20 ~ +70℃
- Storage temperature: -40 ~ +125℃
- Transmission: 10Meters
- Bluetooth protocol: SPP
- Diagnose Interface: 16 Pin
- Bluetooth Standard: Bluetooth V2.0
- Bluetooth: 4 to 8 Meters
Konnwei KW450
- Dimensions: 7.87 x 3.94 x 1.38 inches
- Screen Size: 2.8 Inches
- Support System: XP WIN7 WIN8 WIN10
- Support Protocol: ISO 9141, KWP2000, SAE J1850, CAN, J1850 VPW, J1850 PWM
- EPB Reset: Yes
- I/M Readiness: Yes
- O2 Sensor Test: Yes
- Oil Service Reset: Yes
- TPS Replacement Reset: Yes
- Read Freeze Frame Data: Yes
Bottom Line
At such an affordable price, you will get to read and erase different fault codes on your car. Unlike other professional scan tools, the Konnwei KW808 scan tool is very easy to use, with a simple-to-comprehend interface and a large TFT backlit screen. The scan tool is upgradeable over the internet and covers vehicles manufactured from 1996 and newer. Get to perform various functions like displaying live O2 sensor test data, viewing freeze frame data, retrieving vehicle data, and many other functions.
Setbacks of the Konnwei KW808 scan tool
- The scan tool is made up of a low-quality display that sometimes doesn’t display the information well or it becomes white.
- It is not compatible with all the vehicles that it says it is. Make sure that it is compatible with your vehicle before buying.
- The scan tool doesn’t read the ABS airbag or SRS codes. Also, it doesn’t tell you how to fix the fault codes, which is a big issue.
People Also Asked
- What is included in the package?
-Included Accessories:
-User Manual & CD
-OBD2 Cable
-Plastic Carry Case
- Why is the scanner not connecting?
Is your vehicle’s control module defective? Check it first. If not, then ensure the ignition is on, and the scanner is connected properly. Now turn off the ignition, wait for at least 10 seconds, and then turn on the ignition. The connection will be restored.
- How to fix slow responding/freeze?
You need to reset the tool. To do this, just hold the power button for two seconds. Then turn on the ignition after 10 seconds. It will be as fast as before.
- Why does the scanner not power up?
-Maybe the connection is loose.
-The DLC pins might be broken, bent, clogged, or corroded.
-The battery may be damaged.
Comment below if you have any additional questions after reading our Konnwei KW808 reviews.
Kevin Nicholas is an automotive technician who is a genius at software and hardware-related issues. He manually tested more than a hundred OBD scanners and gave his honest opinion on whether the device was worth the money or not. His in-depth OBD review articles help people choose the right product, whether it is a European, American, or Asian vehicle. He completed his Automotive Specialized Training Course at Universal Technical Institute and has more than 15 years of experience in the field.
