LAUNCH X431 IMMO Plus key programmer with PROG3

The LAUNCH X431 IMMO Plus is a vehicle key and immobiliser programming tool paired in the listing description with the PROG3 programmer. It also claims all-system diagnostics, bidirectional tests, ECU coding and more than 39 service functions, so it is aimed at automotive professionals rather than basic fault-code reading.

At a glance

The listing describes an X431 PROG3 programmer alongside key and immobiliser functions including key learning, matching, adding and deleting keys.
Claims include engine and gearbox ECU cloning, full-system diagnostics, bidirectional active tests and ECU coding.
The tablet platform is specified as Android 10.0 with an 8-inch touchscreen.
The listing claims more than 39 maintenance services, but says functions vary by vehicle make, model and year.

Price

£1,139.24Save 19%

Reference price: ~~£1,399.00~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Combines key and immobiliser programming claims with broader diagnostics and ECU coding functions.
Bidirectional control can send commands to vehicle systems, complementing code reading and live-data functions.
The listed PROG3 supports reading and writing EEPROM and MCU data, according to the product description.

Cons

Specialist key programming and ECU operations are vehicle-dependent, limiting the usefulness of the advertised breadth for any particular vehicle without compatibility confirmation.

Technical specifications

19 specifications

Identity
Brand	LAUNCH
Model	LAUNCH X431 PLUS

Display and video
Screen size	8 Inches

Power and battery
Power configuration	Corded Electric

Dimensions and installation
Dimensions listed	44L x 31W x 37H centimetres

Platform and hardware
Operating system	Android 10.0
Processor	2.0GHz 4-core
Memory	4GB RAM & 64GB ROM
Battery	47880mWh(7.6V,6300mAh)
Display	8.0 inch Touchscreen with 1280*800 Resolution
Camera	8MP Rear Camera
Connectivity	2.4GHz & 5.0GHz Dual WiFi

Claimed functions
Maintenance services	39+
Vehicle coverage	10000+ vehicle modes
Engine and gearbox ECU cloning coverage	5000+ types of vehicle gearbox & engine models
Diagnostic protocols	CAN FD & DoIP Protocols
DoIP adapter condition	Need to purchase extra DoIP adapter cable.
Update period	2 Years Free Update

Warranty
Manufacturer warranty description	1 year

What to know before buying

Listing details to confirm

The product title, features and hardware details contain discrepancies: the title names X431 IMMO Plus with PROG3, while the model field says LAUNCH X431 PLUS, the dimensions are unusually large for a diagnostic tablet, and power is listed as corded electric despite a stated 6300mAh battery. The listing also claims 2 years of free updates but gives a 1-year manufacturer warranty. Confirm the exact selected model, dimensions, power arrangement, update entitlement and vehicle-specific functions before buying. The DoIP feature requires an extra adapter cable, and diagnostic and coding functions vary by vehicle.

What’s in the box

1 LAUNCH X431 IMMO PlusIncluded
X431 PROG3 programmerCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Automotive locksmiths and repair professionals needing key and immobiliser programming alongside diagnostic functions.
Workshops that can confirm compatibility for their target vehicles and make use of bidirectional tests, ECU coding or module cloning.

Less suited to

Drivers seeking a simple OBD-II code reader for occasional home checks.
Buyers who need confirmed key, ECU or service-function support for a particular vehicle without checking make, model and year compatibility first.

LAUNCH X431 IMMO Plus key programmer with PROG3 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 20 ratings

5 stars71%71%
4 stars0%0%
3 stars0%0%
2 stars18%18%
1 star11%11%

Customer feedback reports positive impressions of functionality and ease of use, with some customers describing the tool as useful for their needs. That is relevant to a tablet offering diagnostics and programming in one unit, but experiences may depend on vehicle compatibility. The overall rating distribution is not uniformly positive, so the favourable comments do not guarantee a good fit for every workshop.

Positive themes

Customers report useful functionality.
Customers mention ease of use and a smooth interface.
Some customers describe it as worth the cost.

Frequently asked questions

Does the listing include the PROG3 programmer?

The product title and feature text claim an X431 PROG3 programmer is included. The explicit included-components field only lists one LAUNCH X431 IMMO Plus, so check the selected listing to confirm the bundle.

Will it program keys for my vehicle?

The listing describes a range of key functions, but states that functions vary by make, model and year. Confirm compatibility for your exact vehicle before purchase.

Are all advertised functions ready to use with the listed kit?

Not necessarily. The listing says diagnostic functions vary by vehicle and that DoIP use requires a separately purchased adapter cable.

How long are updates and warranty coverage?

The listing claims two years of free updates, while its manufacturer warranty description states one year. Confirm both terms with the seller or manufacturer.