LAUNCH CR319 OBD2 Code Reader with 3-inch LCD

The LAUNCH CR319 is a handheld OBD2 code reader for basic engine diagnostics on compatible vehicles. It reads and clears diagnostic trouble codes, displays code descriptions and offers live data, freeze-frame, readiness, O2 sensor and EVAP checks. The listing says it does not scan ABS, transmission or airbag systems.

At a glance

Reads and clears diagnostic trouble codes and includes an on-screen DTC lookup.
Lists live data, freeze-frame data, I/M readiness, O2 sensor monitoring, on-board monitor tests, EVAP testing and vehicle information retrieval.
Four-button navigation and a colour LCD are described in the listing.
Claims compatibility with OBDII-compliant vehicles from 1996 onward, subject to vehicle and protocol compatibility.

Price

$23.99Save 14%

Reference price: ~~$27.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Combines code reading with several common OBDII checks and data views in one handheld tool.
On-screen code descriptions can help users interpret a retrieved DTC without looking it up elsewhere.
Vehicle connection is described as plug-and-play, with power supplied through the vehicle connection.

Cons

Limited to engine-system diagnostics. The listing explicitly says it does not check ABS, transmission or airbag systems.

Technical specifications

5 specifications

Identity
Brand	LAUNCH

Display
Screen size	3 inches
Screen technology listed	LCD

Power
Power configuration	Battery Powered

Dimensions
Dimensions listed	27.4L x 15.2W x 3.8H centimetres

What to know before buying

Listing details to confirm

Compatibility is described for OBDII-compliant vehicles, with different stated starting years for US and EU vehicles. Confirm OBDII support and the relevant functions for your vehicle. Clearing a fault code may require repairing the underlying cause first. The listing gives conflicting power details, calling it battery powered while also saying no battery or charger is needed and that the vehicle connection powers it. It also describes a compact, lightweight device but lists dimensions of 27.4L x 15.2W x 3.8H centimetres. The title calls it universal, but vehicle coverage is not confirmed for every make, model or diagnostic function.

Who is it for?

A good fit for

Drivers who want to read and clear engine codes and view basic OBDII data themselves.
DIY users looking for readiness, freeze-frame, live-data, O2 sensor or EVAP checks on a compatible vehicle.

Less suited to

Buyers who need ABS, transmission, airbag or other non-engine module diagnostics.
Anyone seeking confirmation of compatibility with a specific vehicle without checking its OBDII support and required functions.

LAUNCH CR319 OBD2 Code Reader with 3-inch LCD · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 5,494 ratings

5 stars68%68%
4 stars20%20%
3 stars7%7%
2 stars1%1%
1 star4%4%

Customer feedback describes the scanner as easy to use and effective for reading codes, and notes its compact size. Experiences are mixed on vehicle compatibility and how useful the code explanations are. That matters because the listing's broad OBDII coverage and on-screen DTC lookup do not guarantee support for every vehicle or equally helpful explanations in every case.

Positive themes

Customers report straightforward operation and useful code reading.
Customers appreciate the compact size.

Mixed feedback

Customer feedback is mixed on vehicle compatibility and code explanations.

Frequently asked questions

Does the CR319 scan ABS, transmission or airbag systems?

No. The listing says it works with the engine system only and does not check ABS, transmission or airbag systems.

What functions does the listing describe?

It lists reading and clearing DTCs, I/M readiness, live data, freeze-frame data, O2 sensor tests, on-board monitor tests, EVAP tests, vehicle information retrieval and DTC lookup.

Will it work with every vehicle from 1996 onward?

The listing claims coverage for OBDII-compliant vehicles and gives different starting years for US and EU vehicles. It does not establish compatibility with every vehicle or every feature, so confirm your vehicle's OBDII support.

How is the CR319 powered?

The listing is inconsistent: its specifications say battery powered, while its usage description says the vehicle connection powers the tool and no battery or charger is needed. Confirm the power arrangement for the selected listing.