Flat key fob battery
A weak remote battery is one of the most common causes.
Read guide →
Ownership guide
Car central locking not working
If your car central locking stops locking or unlocking one or more doors, the cause may be a key fob issue, blown fuse, actuator fault or low battery voltage. This guide explains common reasons and sensible next steps.
Common causes
Why central locking may stop working
Central locking systems rely on keys, control modules, actuators and stable electrical power.
Weak car battery
Low vehicle voltage can affect locks and body electronics.
Read guide →Blown fuse
Some locking systems lose function entirely after fuse failure.
Door lock actuator fault
If only one door fails, the actuator inside that door is a common cause.
Door wiring damage
Repeated opening and closing can damage loom wires near hinges.
Control module fault
Less common, but body control systems can fail or glitch.
Signs that matter most
- 1All doors affected
- 2Only one door affected
- 3Works with key but not remote
- 4Problem started after flat battery
- 5Locks click but do not move
Better next steps
1. Try spare key
Useful for separating remote faults from vehicle faults.
2. Check battery voltage
Weak batteries can trigger many convenience-system faults.
3. Identify one-door or all-door issue
This helps narrow actuator versus system-wide faults.
4. Repair if recurring
Security and access faults are worth fixing promptly.
Related help
Useful linked guides
This page strengthens your ownership and common electrical fault topic cluster.
Car Key Fob Not Working
Useful if the remote itself has failed.
Read guide →Car Door Won’t Open From Inside
Helpful if lock faults affect door operation too.
Read guide →Car Window Not Going Up
Useful for other door electrical problems.
Read guide →Car Battery Keeps Going Flat
Helpful if several electrical faults appear together.
Read guide →Used Car Inspection Checklist
Useful for checking locks before buying.
Read guide →Guides Hub
Browse more ownership and practical guides.
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