Battery Registration (Battery Coding)
Battery registration tells the car's energy management that a new battery has been fitted, and sometimes its type and capacity.
What is Battery Registration (Battery Coding)?
It is required on many cars with intelligent battery sensors and start-stop. It resets the stored battery ageing data so charging starts from a new-battery profile. It is done with a diagnostic tool, or on some cars via a menu. Some manufacturers also require entering the battery's capacity and technology, such as AGM or EFB, during registration. Workshops often do this as part of a battery replacement.
How it works
The control unit stores the new battery details and adjusts its charging strategy.
Why it matters for your car
Skipping registration can overcharge the new battery or keep start-stop disabled. Fitting a different battery type may require coding as well as registration.
Other terms
- ACEA Oil Specification
- Active Aerodynamics
- Brake Booster
- Car Wax And Paint Sealant
- Diagnostic Trouble Code (DTC)
- Door Hinge
- DPF Differential Pressure Sensor
- Drive Cycle (OBD Drive Cycle)
- Engine Timing Tools (Locking Kit)
- Exhaust Resonator
- Fuse
- HVO Diesel (Renewable Diesel)
- Miles Per Gallon (MPG)
- Number Plate Light (Licence Plate Lamp)
- Open Differential
- Peak Charging Power (Max kW)
- Roadworthiness Defect
- Type 2 Connector
- Tyre Dressing
- WMI (World Manufacturer Identifier)