LAUNCH CRP429C Best Under $300?

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works

A sophisticated diagnostic device made for use with a variety of automobiles is the Launch CRP429C. It offers thorough diagnostic features, such as reading and clearing issue codes, live data streaming, and component testing, and has an intuitive user interface. 

The tool has a sizable 5-inch touch screen display and can deliver thorough diagnostic reports in real-time. It is an indispensable tool for any mechanic or auto owner because of its strength and versatility in helping you quickly and effectively detect issues with your vehicle.

What Can You Do with The Launch CRP429C?

For transparency, please note that some of the links on this website are Amazon Associate links. This means that I may earn a small commission if you make a purchase through these links. The use of such links comes at no additional cost to you.

  • How to Connect: Using the supplied cable, attach the device to the OBD II port on your car: On the driver’s side of the car, the OBD II port is normally found under the dashboard. The Launch CRP429C’s included cable is made to go into this connector and link the gadget to the on-board computer of your car.
  • How to Diagnose Vehicle: Start the device, then from the main menu choose “Diagnose”: You can turn the device on and choose the “Diagnose” option from the main menu when it has been linked to your car. This will start the diagnostic procedure and enable the gadget to check the system of your car for any error codes.
  • How to Clear Codes: Once the issue codes have been cleared, you can utilize the device to monitor a live data stream and component testing data Depending on the severity of the issue with your car, you might be able to reset the on-board computer and clear the trouble codes with the Launch CRP429C.
  • View live data stream: The scanner can also provide a live data stream from your car’s sensors, which can give you more details about how well its systems are working. This data can be used to spot any irregularities or patterns that could aid in problem diagnosis.
  • Erasing Trouble Codes: After you’ve located and rectified the issue with your car, you may use the scanner to erase any trouble codes that may have been stored in the on-board computer. This will turn off the check engine light and reset the computer.

Is Really the LAUNCH CRP429C Best Under $300?

The Launch CRP429C is one of the best OBD2 scannes for both DIY enthusiasts’ professional technicians and will have a great experience using diagnostic tool because it is dependable and easy to use. Its ergonomic form makes it simple to use, and its user-friendly interface makes it straightforward to navigate between its different functions.


The tool is a fantastic option for anyone searching for a trusted diagnostic tool that can rapidly discover and troubleshoot issues with their vehicle due to its natural feel and straightforward use. Also, it will continue to be a helpful tool for many years to come because to its strength and long-lasting battery. 

All things considered, the Launch CRP429C is a great purchase for anyone searching for a straightforward but powerful diagnostic tool for their car.

Pros and Cons


  • Compatibility
  • User-friendly interface
  • Ergonomic design
  • Durable construction
  • Long-lasting battery life
  • Software updates for the first year


  • Relatively expensive
  • Reported connectivity issues

Main Features


Read and clear code: 

It can read and clear diagnostic trouble codes (DTCs) from a car’s onboard computer, among other things. 

The underlying problem may not always be resolved by clearing the codes, but it does provide the user the chance to assess whether the issue was a one-time event or a recurring one. 

The check engine light will turn back on if the issue continues, and the Launch CRP429C can be used once more to get the latest DTCs.

Live data: 

A diagnostic tool with a live data function is the Launch CRP429C. This function gives information and data regarding the operation of a vehicle’s engine, transmission, and other systems in real-time. 

The device’s screen will provide customers with a variety of vital statistics in real time, including the engine RPM, coolant temperature, fuel pressure, and many more.

The Launch CRP429C’s live data feature offers a lot of knowledge that can aid a technician in accurately diagnosing and fixing issues. It is simple to identify trends and patterns that could be signs of a problem because the data is presented in an easy-to-read style and the tool can graph the data over time.


  • Vehicle Compatibility:

    A diagnostic tool called the Launch CRP429C is made to work with a variety of different cars. Regardless of the year of manufacturing, it may be utilized with a variety of brands and models of automobiles, trucks, and SUVs thanks to a number of features.

  • Language Compatibility:

    Many languages, including English, Spanish, French, German, Italian, and more, are supported by the CRP429C. Users from various areas and nations can use the smartphone and access its capabilities more easily as a result.

update menu

EPB: Using the EPB feature, you can electronically operate your car’s parking brake in place of the conventional handbrake lever. You can identify and resolve any problems with this system, including any warning lights or error codes that may show up on your dashboard, using the Launch CRP429C.

The EPB system, a crucial safety component in contemporary cars, helps stop the car from rolling away when it is parked on an incline. The Launch CRP429C’s is the best scanner with EPB feature which enables you to test the parking brake to make sure it is operating properly as well as reset the brake after servicing or replacing brake parts.

TPS (Throttle Position Matching):

The Throttle Position Matching feature is a diagnostic function that helps you calibrate the throttle position sensor (TPS) on your vehicle. 

You may quickly calibrate the TPS using the Launch CRP429C’s TPS function by following the on-screen instructions. You can follow the tool’s instructions to reset the TPS to its default setting and then adjust it to the proper setting in accordance with the manufacturer’s recommendations.


Your car’s SAS feature allows you to reset the steering angle sensor. This is important because how the steering angle sensor assesses the placement of the wheels and the direction of the automobile might affect how other systems, such as the stability control and traction control, function.

TPMS: The TPMS feature enables you to check the tire pressure in each tire and alerts you if it is too low. This can aid you in preventing potential troubles and guaranteeing the safe and effective running of your car. A variety of capabilities are offered by the Launch CRP429C automotive diagnostic tool to help you find and fix problems with your car. 

IMMO ( Immobilizer Matching ):

The Launch CRP429C’s IMMO function allows the user to connect to the vehicle’s immobilizer system and match it with the ECU. This guarantees that the security system of the car is operating properly and that the engine will start and run correctly.

Advance Features:

I/M Readiness: 

A sophisticated diagnostic instrument for expert mechanics and auto enthusiasts is the Launch CRP429C. The Launch CRP429C’s I/M Readiness feature is a potent instrument that may help you maintain your vehicle in good condition and make sure that it complies with emissions standards. 

It is meant to assist you in determining whether your vehicle’s emissions control system is running properly. Living in an area with tight emissions standards is significant since failing an emissions test can result in fines or other consequences.

View Freeze Frame: 

The Launch CRP429C is a car diagnostic tool with a number of features that can be used to find problems with your vehicle. One of the main features of the programme is the capability to see freeze frame data.

The CRP429C presents the freeze frame data in an easy-to-read format, making it simple to understand and pinpoint the issue. This tool is very helpful for sporadic problems that could be difficult to reproduce or pinpoint.

O2 sensor test:

The Launch CRP429C auto diagnostic tool has an O2 sensor test functionality. By measuring the amount of oxygen in the exhaust from the engine, the engine control module (ECM) adjusts the air-fuel mixture using information from the O2 sensor.

The Launch CRP429C’s O2 sensor test feature allows you to check the O2 sensor’s operation and determine whether it is working properly. An instantaneous graph of the voltage output from the O2 sensor, which reflects the volume of oxygen in the exhaust, is shown by the gadget.

EVAP Test: 

This function is designed to help with the diagnosis of problems with the EVAP system, which controls the emissions that are released into the atmosphere.The Launch CRP429C’s EVAP system test feature enables you to execute a number of tests to verify the EVAP system’s operation. 

reset menu


The Launch CRP429C ECU function is intended to assist users in identifying and resolving problems with the ECU. 

It gives consumers access to real-time statistics on the ECU’s performance, including details on fuel economy, emissions, and the general condition of the engine.

Users can do a variety of diagnostic tests on the ECU using the Launch CRP429C, including reading and clearing error codes, examining sensor data, and running system tests. 

Comparison Table: 

For transparency, please note that some of the links on this website are Amazon Associate links. This means that I may earn a small commission if you make a purchase through these links. The use of such links comes at no additional cost to you.



What kinds of automobiles are compatible with the Launch CRP429C?

The majority of automobiles produced after 1996 that have an OBDII port are compatible with the Launch CRP429C. This comprises automobiles, trucks, and SUVs made by a variety of producers.

How do I update the software for the Launch CRP429C?

You can use a USB cable to connect the Launch CRP429C device to a computer and download the most recent software from the Launch website to upgrade the device’s software. It’s been a while since I’ve been here. I’m sorry.

Is it simple to operate the Launch CRP429C?

Absolutely, the Launch CRP429C is made to be simple to operate and user-friendly. It boasts a sizable color touchscreen display and simple menus that make finding and using the many diagnostic tools straightforward.

Final Word

The Launch CRP429C is a practical option for mechanics and car owners. The tool can assist in discovering and treating issues before they become more serious, saving on maintenance costs and extending the life of the vehicle by giving users the capacity to diagnose and troubleshoot problems with their automobiles.

Overall, the Launch CRP429C is a strong and adaptable diagnostic device that is suitable for both amateur and expert mechanics. For anyone wishing to maintain or repair their vehicle, it is a crucial tool due to its simplicity, adaptability, and affordability.

Love it! LAUNCH CRP429C OBD2 car scanner setup, software update & demo