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It did have a newer battery prior to purchase. I did disconnect the battery to do the Alt-Starter battery cable change but that was back in Sept. The date was displaying correctly until new years day. Maybe I will take it to my local indy as he has PIWIS and see if he can do a reset.
Very interesting. My PCM is at Rev B but using older maps disk. I will change the date format and see if anything changes. Keep us posted if the date sticks
Yep - You are missing the date in the Main display. I called my local Pcar dealer but I got the usual bring it in and we can look into it - for a fee or course. Anyone have a PCNA contact as I think this is a weird problem (bug) , albeit small, in the grand scheme of things. Im hearing more people report this across other Porsche forums.
Out of curiosity do you have a date displayed on the Main PCM screen or is it missing? Mine still says 01/09/2000 and is not on the Main screen any longer.
911urge replied to WTL's topic in 997-1 Series (Carrera, Carrera 4, Carrera 2S, Carrera 4S)If you have Navigation the time/date can be auto updated via GPS signals
This is being reported on other forums for the 997 and early Cayenne's and I'm in the same boat along with a coworker. The date display on the PCM is blank while all other settings are correct. Ive done the 1,4,8 reboot and pulled the fuses etc. I have 8-11 Sats locked in and the map follows me correctly. This just started a few days after the new year. I suspect there is a firmware bug in the PCM with the coming 2019 GPS Week Rollover. I wonder if a PCM Nav update to the latest SW & maps (2015/2016) works around this?
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I'm planning on doing this replacement with the excellent DIY documentation found here. However, my 997 is a Tip - is there anything significantly different in performing this from a MT before I get started? I have not found anything specific at this point other than the correct part # for Tip's Thanks