My Maserati is coupe 2004.
The key is not working wireless door lock/unlock & trunk ( But starting is good )
The batteries are new, And the immobilizer may be not bad.
When I lock or un lock the driver side door by manually, passenger side door is sometimes working or sometimes not.
Someone advised me it's 'ETACS' problem ( Electronic Time & Alarm Control System)
But I cant' 'etacs' in maseratiparts.
Would you let me know the exact name of the part & part number?
( IGE ECU is ETACS?)
Do you have one working key?
If you have one working key you should be able to fix the others by following some procedures already discussed in this forum. Do a search for "reprogramming your own keys".
Of course, this is only applicable in situations like yours, where the key does start the car but won't operate the lock functions. If you key won't start the car then it is definitely off to the dealer.
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Thank you for your kind reply.
But it may be not the problem of key itself.
I have two keys but not working neither. So It may be the trouble of somekind of etacs or ecu etc...