Porsche 911 BCM Damaged

**amineben1992** · 9th July, 2020, 03:31 PM

Hello everyone, i tried to read bcm2 5M48H to add key but VVDI Prog damaged the P-Flash, can someone help with the right P-Flash because i tried other but not work, also check if D-Flash is ok, (car now is dead no ignition).

I will be happy with any help or suggestion

**brobble** · 9th July, 2020, 04:33 PM

I only had one 911, but it had 7PP907064HM. You can try it anyway. Maybe you get any life back to car. Unlocked means security deactivated. This makes it easier to handyle, if you need to read or write in future.

Good luck.

Greets MR...

**amineben1992** · 10th July, 2020, 08:31 PM

ok i will try, when i write other flash dash wake up but no start !!

**Fallen** · 11th July, 2020, 08:48 AM

Off a Maccan but worth a shot.
Hope it helps.

Edit, just realised mine is 434mhz - it might help somebody else one day.

**amineben1992** · 14th July, 2020, 02:49 AM

Thanks but this File will not help me

**p1et** · 14th July, 2020, 10:47 AM

Is Porsche dealer able to reflash BCM or they change it for new?

**alex1881** · 14th July, 2020, 04:45 PM

if you take off the oscilator to read,change the oscilator, and write a good p flash,that's the reason for bcm damage.
BTW,THIS IS 315 MHZ.

**drugowaz** · 14th July, 2020, 05:01 PM

Noncense......

**nokwueze** · 8th November, 2022, 04:01 PM

friends pls i read bcm 5m48h of porsche with vvdiprog to add key after writing the file back to the bcm .. the car didnt start pls here is the file

**brobble** · 8th November, 2022, 05:55 PM

I think your flash is corrupted. I experienced this by my self. First part of flash gets erased by forcing the unlock. All BCM front dumps I have are starting with data at offset $74000. Yours starts at $78000. So there is missing some data. This is repairable by using flash from another module with same partnumber. Unfortunetly I dont have. Your car is Cayenne USA without keyless. I have 7PP907064KJ, which is also Cayenne USA without keyless. Your d-flash dump looks good.

Greets MR...

PS: Better explain what is the problem: BCM total dead or only key not recognized? BCM responds with diagnostic?

**nokwueze** · 9th November, 2022, 11:26 AM

the bcm is dead no respond with diagnostic sir can you repair the file sir
7pp907064em

**nokwueze** · 9th November, 2022, 02:08 PM

thanks my brother the dash light came up with your file pls where can i get the file pls am grateful

**brobble** · 10th November, 2022, 06:25 PM

Again, better explain if you want help!!! Whats means dash light came up? BCM alive (diagnostable)? Ignition goes on? Car starts? DTC´s? Is your car with ESL? Newer Cayenne´s doesnt have ESL anymore as far as I know. The US cayenne I read the file from was without ESL. But I think this is parameter in d-flash. If you have porsche piwis you can look, whether there is a frf-container (update) for 7PP907064EM or EP. I know, there are some update files for BCM Front in Piwis. So you could reflash it, if KJ is not working properly. Unfortunetly I never had 7PP907064EM or EP to read out. If you are from US, you can buy them rather cheap from ebay.

Greets MR...