BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > DIY Guides and Instructions > NBT EVO ECU flash failed
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      11-12-2018, 03:06 AM   #1
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NBT EVO ECU flash failed


I am writing this new post because I am doing a retrofit from HU_ENTRY to HU_NBT2 (NBT EVO).

I would like to completely reflash my HI_NBT2 because this one had the CP (component protection) active.

The first step I did was to start the job "HU_SPECIAL_NBTEVO_CLEAR_V850" with the tool "tool32".

comment : deletes Persistency on NBTevo V850
important: Reflash+Recoding needed afterwards as also logistic

When performing a SVT reading I now have this in the ECU "HU_NBT2":

The second step is to fully reflash the HU_NBT2.

For this I followed the procedure below:

1) Go go comfort mode (TAL-Calculating)
- read FA then save
- active FA
- read SVT Actual then save (SVT_tal_1)
- create an SVT target

Under KIS/SVT Target Calculation Strategy, i select "Complete Flash".
I Select I-step (shipm :

Do a KIS/SVT Target Calculation
Click on the button "HW-IDs from SVTactual"
Then save as SVT_sol_1

I have 2 warning :

WARN events:
"[] Warning 1680, no application data list available for ECUId:HU_NBT2_0x63, (Exception: error while switching to extended diagnostic session),
[] Warning 1680, no application data list available for ECUId:PIA_MASTER_0x63, (Exception: error while switching to extended diagnostic session)" [C382]

2) Go to expert mode (TAL-processing)
- Load TAL (SVT_tal_1)
- Load SVT Target (SVT_sol_1)
- select "read FA" button
- click the button "Read VIN", then select the "read VIN out of FA"

But unfortunately I have no line named "HU_NBT2"
Do you know why I can not flash this ECU?
Do I have to correct the warnings in the "KIS / SVT Target Calculation" step?

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      06-11-2019, 01:18 PM   #2
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pm me!
can help
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