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Citroen Locksmith

Citroen Immobiliser Fault Repair

If you have a problem with your Citroen immobiliser then we can help you. And usually for much less than the dealer will charge.

Simply post us your immobiliser box. Then we will recode the box and post it back to you fully working. Also, if you have lost your Citroen car key (or keys) or just need a replacement key then send us the ignition or door barrel so we can decode the barrel and cut another key from it. (If you have different keys for ignition and door you will have to send us both barrels.)

Visit our services website specialising in Citroen immobiliser fault repair to buy this service online.

Or you may want to phone us on 0116 3400157 and have a chat with us to ensure you are doing the right thing before you buy online.

The Citroen immobiliser systems consist of 4 different types. They all perform various functions.


This system was the first transponder system fitted to the Citroen range of vehicles, after the keypad system was phased out. The system is a basic electronic control unit which consists of immobiliser unit and transponder aerial to pick up the transponder signal code.

This system is similar to the Vauxhall Immobiliser system, and is programmed and diagnosed in much the same way.


The next generation of immobiliser and alarm system produced was the CPH system, which controls a number of additional components which further enhances the vehicle protection system. These include central door locking and ultrasonic sensors.


In this system, the alarm and immobiliser have now been incorporated into the body control unit, which controls all body units, including wipers, indicators, lights, doors, windows, locks, boot, service interval, horn, etc.


This is the latest system that still uses the BSI as described above but in addition communicates via CAN rather than the traditional serial communications interface.

Lost/Stolen Citroen Key

If you have been unfortunate to lose your key or had it stolen from you, don't worry we are here to help. We can replace and remove your old lost/stolen key from your car system and have you back on the road usually within the hour. Don't delay, give us a call. Remember we are not a call centre - we dispatch our own auto locksmiths.

Spare Citroen Key

If you are forward thinking you will always have a spare car key - this will save you money in the future if you lose your main key. We can cut and program a spare Citroen key for you, in some cases we don't even need the car just the key. Give us a call for this service.

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