Friday, 27 June 2025

Maruti veh lock unlock problem

 If your Maruti vehicle (like WagonR, Swift, Alto, etc.) is having lock/unlock problems, here are the common causes and solutions:



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🔧 Common Lock/Unlock Issues:


1. Key Fob / Remote Not Working


Battery Weak/Dead: Replace the button cell (usually CR2032).


Remote Unpaired: May need reprogramming.


Physical Damage: Water or drops can damage the internal circuit.



2. Central Locking System Fault


Blown Fuse: Check the central locking fuse under the dashboard.


Control Module Fault: The BCM (Body Control Module) may be malfunctioning.


Loose Wiring/Connector: In the door or under the dashboard.



3. Driver Door Unlocks, Others Don’t


This may be due to:


Faulty actuators in the doors.


Relay problem (central lock relay).


Manual override or setting in some models.




4. Door Lock Actuator Failed


You may hear a clicking sound but no movement—actuator may be jammed or burned out.



5. Mechanical Lock Jammed


Dust, rust, or broken linkages inside the door can prevent movement.




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✅ Basic Troubleshooting Steps:


1. Replace key fob battery – simplest and most common fix.



2. Try using the spare key – to rule out key fob issues.



3. Check central lock fuse – locate it in the fuse box and replace if blown.



4. Open door pad (if possible) – and check actuator or wiring.



5. Scan with OBD tool – for error codes in BCM or central locking system.





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