Service functions are special features in advanced OBD2 diagnostic tools that allow you to perform maintenance and reset procedures on vehicle systems. Unlike basic code reading, these functions interact directly with control modules to carry out tasks such as oil reset, EPB (electronic parking brake) service mode, battery registration, DPF regeneration, or steering angle calibration.
Airbag Reset Using OBD2 Scanner (SRS Reset Guide)
Airbag reset (also called SRS reset or crash data reset) is a procedure used to clear airbag warning lights and faults stored in the airbag…
How to do Throttle Matching with OBD2 scanner (Throttle Body Adaptation) – Basic Guide
Throttle matching, also known as throttle body adaptation, is a common procedure used to recalibrate the electronic throttle system in modern vehicles.It is required after…
Steering Angle Sensor Calibration (SAS Reset) with OBD2 scanner guide
Steering angle sensor (SAS) calibration is a common diagnostic procedure required after repairs, alignment, or steering system work.This page contains real step-by-step procedures for different…
Fuel Injector Coding With an OBD2 Scanner (Quick Guide)
Fuel injector coding is the process of telling the ECU how each injector behaves so it can deliver fuel accurately. Some engines require it after…
Gearbox Adaptation Explained – When and How to Perform Transmission Relearn
What is gearbox adaptation? Gearbox adaptation, also known as transmission relearn, is a process where the transmission control module (TCM) recalibrates how the gearbox shifts…
Electronic Parking Brake Service Mode – How to Open EPB Calipers Before Brake Pad Replacement
Modern vehicles equipped with an Electronic Parking Brake (EPB) require a special procedure before replacing rear brake pads. Unlike traditional handbrakes, the brake caliper piston…
How to Program Car Keys (Complete Beginner-to-Pro Guide)
This guide will show you how key programming actually works in practice and how to do your first successful job using an OBD2 scanner. What…
Battery adaptation / BMS reset explained (universal guide for all car brands)
This guide explains how battery adaptation, battery registration or BMS reset works in modern cars, why it is needed, which vehicles require it, and how…
Oil Service Reset with OBD2 scanner guide
After changing oil, the service reminder usually stays on. That doesn’t mean something is wrong with the car.It simply means the service interval in the…
How TPMS relearn, reset and sensor registration really works
If you replace wheels, rotate tires, install new sensors or inflate tires and the TPMS light stays on, the problem is usually not the tire.…
