Need help coding lights

AndyTo · 08-15-2015, 02:59 AM

I'm trying to code out the headlight error codes so I can install LED's but I keep getting an error message when I get as far as trying to read coding data in CAFD tab under FEM Body folder. Any ideas where i'm going wrong?

HFW003 · 08-15-2015, 03:10 AM

Not sure what you mean by you're trying to clear the error codes, that is done with Tool32?

If you mean you want to code out the low temp check then that's a different story.

That error means you have a corrupted CAFD file probably due to losing power to car whilst coding, it is advisable to code the car with the car running (other than the DEM).

You need to reinject the old CAFD file.

I believe anyway?

HFW003 · 08-15-2015, 03:32 AM

Connect => Read FA (VO) => Activate FA (VO) => Read SVT (VCM) => Left-Click on desired ECU => Click on "Detect CAF for SWE" => Select the CAFD from latest I-Level shown => Select OK => Right-Click on FEM BODY ECU (the ECU itself not the underlying CAFD) => Select CODE.

AndyTo · 08-15-2015, 09:49 AM

Quote:

Originally Posted by HFW003

That error means you have a corrupted CAFD file probably due to losing power to car whilst coding, it is advisable to code the car with the car running (other than the DEM).

I think that's what i've done, i didn't have the engine running and as i'm new to coding i kept referring back to the guides, so I wasn't exactly quick.
Will keep the engine on in future.

Thanks.

HFW003 · 08-15-2015, 04:35 PM

You're welcome.

instalher · 10-04-2015, 05:30 PM

does the engine have to be running for codding or can I just have the ign on with a smart charger on the battery so as not to have any battey voltage issues????

HFW003 · 10-05-2015, 07:20 AM

Quote:

Originally Posted by instalher

does the engine have to be running for codding or can I just have the ign on with a smart charger on the battery so as not to have any battey voltage issues????

It's not about drawing power from the battery.

There are two options. You can just leave the car on and code but if the car turns itself off (after ten minutes or whatever it is) and you haven't finished then you will have issues with the CAFD files getting corrupted. This is easy to fix if it does happen though.

The other way is to just leave the car running and you will not have this issue, simples.

08-15-2015, 02:59 AM	#1
AndyTo Second Lieutenant 124 Rep 298 Posts Drives: G21 M340i Join Date: Mar 2015 Location: Northants iTrader: (0)	Need help coding lights I'm trying to code out the headlight error codes so I can install LED's but I keep getting an error message when I get as far as trying to read coding data in CAFD tab under FEM Body folder. Any ideas where i'm going wrong?
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08-15-2015, 03:10 AM	#2
HFW003 Brigadier General 5691 Rep 3,225 Posts Drives: 2024 M340i xdrive Join Date: Apr 2013 Location: Newcastle, Australia iTrader: (0)	Not sure what you mean by you're trying to clear the error codes, that is done with Tool32? If you mean you want to code out the low temp check then that's a different story. That error means you have a corrupted CAFD file probably due to losing power to car whilst coding, it is advisable to code the car with the car running (other than the DEM). You need to reinject the old CAFD file. I believe anyway?
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08-15-2015, 03:32 AM	#3
HFW003 Brigadier General 5691 Rep 3,225 Posts Drives: 2024 M340i xdrive Join Date: Apr 2013 Location: Newcastle, Australia iTrader: (0)	Connect => Read FA (VO) => Activate FA (VO) => Read SVT (VCM) => Left-Click on desired ECU => Click on "Detect CAF for SWE" => Select the CAFD from latest I-Level shown => Select OK => Right-Click on FEM BODY ECU (the ECU itself not the underlying CAFD) => Select CODE.
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08-15-2015, 04:35 PM	#5
HFW003 Brigadier General 5691 Rep 3,225 Posts Drives: 2024 M340i xdrive Join Date: Apr 2013 Location: Newcastle, Australia iTrader: (0)	You're welcome.
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10-04-2015, 05:30 PM	#6
instalher 25cent millionaire 252 Rep 1,220 Posts Drives: 2020 m4 comp vert Join Date: May 2011 Location: saskatoon iTrader: (1) Garage List 2020 bmw [0.00] [9.00] [0.00] [9.50] 2018 bmw 230i xdrive [8.50]	does the engine have to be running for codding or can I just have the ign on with a smart charger on the battery so as not to have any battey voltage issues????
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