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armpower
8th September, 2020, 06:22 PM
Hallo

I post some info , maybe for someone will be usueful.
Tomorrow a car dealer ask to make a spare key for this car.
The remote is the two key button marked U-Shin , GM number 4249509 , 433Mhz.
Inside there is a PCF7937.
I've used a china type remote marked with GM number 13500226 (generale remore for Chevrolet and Opel).
With Avdi, pulled out carpass code.
And add the key.
Take care , the process to add a key to this car need 10-15 minutes.So remember to switch off lights and accessory and
to be more comfortable connect a car power supply.
At the end of learning process, the key and remote works successfully.
By the way the immo light remain active.
Cancel DTC to the whole car.
Disconnect the battery for a couple of minutes and the immo light will turn off.

Cheers

super jumbe
8th September, 2020, 08:28 PM
Thanks for that info.

paul_12345
8th September, 2020, 08:57 PM
mokka is just the same as astra J insignia etc and its not PCF7947.

Just the pin reading on MVP pro isn't supported on mokka, lonsdor works fine.

comizelu
8th September, 2020, 09:15 PM
I had some issues before with true code,immo light remaining on after learning the key,car starts and remote works.i finished the learning process with lonsdor and light disappeared.
I use tdb now and all good.
Remote is same as astra j or insignia

Sent from my MI CC9 Pro Premium Edition using Tapatalk

armpower
9th September, 2020, 12:55 AM
I've corrected the typo.
PCF7937 is the correct one

rapidlocksmiths
9th September, 2020, 09:08 AM
the light staying on is an intermittent issue suffered by many programmers , sometimes it goes off and sometimes it doesnt , easily fixed by disconnecting negative lead for 5 seconds then all is good . also goes off on its own after a short while of running and driving car .

on all these vauxhall systems i tend to read all fault codes , delete fault codes and then see what comes back , when you code a new key you leave a number of key faults in the system , all either show as intermitent or not present , caused by entering and switching ign on with uncoded key to program it , i always delete these as once had to go back to one where mechanic said it was the key as a key fault in system , of course wasnt the key , it was duff crank sensor , but because a key fault code was stored that was enough for his expert diagnosis , he changed crank sensor and all was good again. so its good practice to clear faults after key coding.