NEW: 2026 CR Eagle P — The next-gen flagship is here. Learn more | Global B2B inquiries welcome — request a quote anytime. Find a Dealer

Trusted in 120+ countries · Since 2009

Diagnose anything.
Decode everything.

From a humble OBD2 code to a complete ECU rewrite — 1,780,000 technicians across 120 countries trust one platform. Yours.

CR Ultra P0420 Catalyst P0300 Misfire TPMS Tool BMW Diagnostics
SCROLL TO EXPLORE
Who we serve

One platform for every kind of driver.

From independent workshops to weekend DIYers — and even moto & marine — iCarsoft builds the right depth of tool for each, on one diagnostic DNA.

AUTO
Auto · Motorcycle · Marine
One platform, one consistent experience worldwide.

Professional Workshops & Technicians

OE-level diagnostics, bi-directional control and ECU coding across extensive makes.

Dealerships & Fleets

Brand-exclusive, dealer-level depth plus heavy-duty solutions that keep fleets on the road.

Car Owners & DIY Enthusiasts

Authentic, vehicle-specific tools — read codes, reset service lights and fix small stuff at home.

Motorcycle & Marine Users

Beyond cars: moto plus marine coverage for yachts, PWCs and inboard/outboard engines.
Why iCarsoft

Built different. Backed for life.

Proprietary, patented technology — certified, compliant and supported by real engineers, behind every iCarsoft tool in 120+ countries.

16+
Years of expertise
1.78M+
Global customers
120+
Countries covered

FCC · CE · UKCA · RoHS Certified

Every unit passes rigorous international quality, safety and environmental testing.

OEM-Authorized & Compliant

Select pro models carry FCA Secure Gateway authorization — legitimate by design.

Real Human Support

One-on-one help from senior automotive engineers, around the clock — not chatbots.

Lifetime Updates, No Lock-In

Lifetime free software updates on most devices — no usage limits, no hidden fees.

Certified & authorized FCC CE UKCA RoHS FCA Secure Gateway

Diagnostic Tools

Find the right tool
for your work.

From single-brand DIY scanners to dealer-level pro tools — 100+ products across 6 series.

JS V30 (24000mAh)

Jump Starter

JS V30 (24000mAh)

Professional diagnostics.

Available via authorized dealers

Learn more View details
HD6000 Heavy Duty Truck Diagnostic Tool

Heavy Duty

HD6000 Heavy Duty Truck Diagnostic Tool

Professional diagnostics.

Available via authorized dealers

Learn more View details
View all Automotive View all 100+ products

Real Repair Stories

Watch the work happen.

From abandoned project cars to franchise dealer floors — see iCarsoft tools in real hands, fixing real problems.

Browse all repair stories on our YouTube channel

Knowledge Hub

Decoded by engineers,
verified by technicians.

880+ DTC guides, repair cases, and engineer notes. Updated weekly by the iCarsoft Technical Team.

Battery Registration After Replacement: Why It Matters and How to Do It
Maintenance & How-To

Battery Registration After Replacement: Why It Matters and How to Do It

On cars with smart charging, fitting a new battery is only half the job. Here is why battery registration matters and how to do i…

Read more
EPB Service: How to Retract Electronic Parking Brake Calipers Step by Step
Maintenance & How-To

EPB Service: How to Retract Electronic Parking Brake Calipers Step by Step

You cannot wind back an electronic parking-brake caliper by hand. Here is the safe, correct way to put EPB calipers into service …

Read more
How to Perform an Oil Service Reset on Most European Cars
Maintenance & How-To

How to Perform an Oil Service Reset on Most European Cars

Changed the oil but the service light is still on? Here is the general procedure for resetting the oil-service reminder with a di…

Read more
Do You Need Bidirectional Control? A Buyer's Decision Guide
Buying & Tool Guides

Do You Need Bidirectional Control? A Buyer's Decision Guide

Bidirectional control is powerful but not everyone needs it. A short, honest guide to deciding whether active testing is worth it…

Read more
OBD2 Scanner Buying Guide 2026: Features That Actually Matter
Buying & Tool Guides

OBD2 Scanner Buying Guide 2026: Features That Actually Matter

Not every spec on the box is worth paying for. This guide ranks the features that genuinely change what you can fix — and the one…

Read more
How to Choose the Right iCarsoft Scanner: CR Series vs Single-Make vs MT
Buying & Tool Guides

How to Choose the Right iCarsoft Scanner: CR Series vs Single-Make vs MT

iCarsoft builds three families of tools for three kinds of user. This guide explains the CR multi-system range, single-make tools…

Read more
CAN, CAN-FD and DoIP: How Modern Vehicle Networks Changed Diagnostics
Engineer Notes

CAN, CAN-FD and DoIP: How Modern Vehicle Networks Changed Diagnostics

From classic CAN to CAN-FD and Ethernet-based DoIP, the way tools talk to cars has evolved fast. Here is what each protocol means…

Read more
Bidirectional Control & Actuator Tests: How Active Diagnostics Save Hours
Engineer Notes

Bidirectional Control & Actuator Tests: How Active Diagnostics Save Hours

Reading data is passive; commanding a component is active. Bidirectional control lets you prove a part works before you replace i…

Read more
Understanding OBD-II Modes 01–0A: What Each Service Mode Really Does
Engineer Notes

Understanding OBD-II Modes 01–0A: What Each Service Mode Really Does

OBD-II defines ten diagnostic service modes. Knowing what each one returns — from live data to Mode 06 test results — turns a cod…

Read more
Case Study: VW EA888 Random Misfire — From P0300 to a Cracked Intake Manifold
Repair Case Library

Case Study: VW EA888 Random Misfire — From P0300 to a Cracked Intake Manifold

A Golf GTI throwing P0300 with no obvious cause. How misfire counters and fuel-trim data exposed a vacuum leak from a cracked int…

Read more
Case Study: Mercedes-Benz W205 ESP Fault Traced to the Steering Angle Sensor
Repair Case Library

Case Study: Mercedes-Benz W205 ESP Fault Traced to the Steering Angle Sensor

A C-Class with ESP, ABS and cruise warnings all at once. How reading the ESP module directly — not just generic codes — found a s…

Read more
Case Study: BMW N20 Timing Chain Rattle Diagnosed with iCarsoft CR Ultra
Repair Case Library

Case Study: BMW N20 Timing Chain Rattle Diagnosed with iCarsoft CR Ultra

A 2014 BMW 328i with a cold-start rattle. How freeze-frame data and camshaft correlation values on the iCarsoft CR Ultra pinpoint…

Read more
Browse all 880+ DTC guides
Got questions?

Answers, up front.

Everything you need to know before buying. Can't find what you're looking for? Our automotive engineers respond personally.

?

Need personal help?

Send your vehicle VIN and the functions you need — we'll tell you exactly which tool fits. Ask no one, ask iCarsoft.

Contact Support

Newsletter

Get the weekly digest.

New DTC fixes. Software updates. Exclusive offers. Engineer notes. Straight to your inbox, every Tuesday.