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Author Topic: CCS and ACC not working after 6th gearbox swap  (Read 1169 times)
martocapo
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« on: January 16, 2026, 05:03:19 PM »

Hi Everyone!

My ECU is a VW Bosh ME17.5.6.
My car is a Jetta MK6 2012 2.5 and I swapped the original 5th gearbox with a TFSI 6th gearbox and now the cruise control in the 6th gear is not working and also the ACC is not working as well. When I try to engage ACC it says "Check selector lever position!"

I know that I need to modify the NV maps more specifically NVQUOTXO and NVQUOTXU by X meaning 1 to 6 gears.
The issue is I dont have the address location for this Maps and also I dont have any example hex chain to search for and replace using the new gear ratios.

Here are my gearbox details if anyone can help

JLW manual 6th gearbox from a Jetta 2.0 T FSI
Ratio: Z2 : Z1
Final drive for 1st to 4th gear - 71 : 18 = 3.944
Final drive for 5th / 6th - 71 : 23 = 3.087

Thank you very much in advance
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BlackT
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« Reply #1 on: January 18, 2026, 01:25:01 AM »

Did you try to recode it with VCDS?
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martocapo
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« Reply #2 on: January 18, 2026, 12:01:56 PM »

Yeap, tried to recode with 000072 but it rejects the new coding.

But I do have an update in this.

Update:

Someone help me to fix my gear ratio in the ECU, the acc is still not working but suggested gears in the fis is perfectly sync now. I need to check in the advanced measure if the gears are showing ok. Do you know how to do this in my ECU? Mine is a me17.5.6 07k906055AP.

The other thing is to check coding in my radar, currently is coded as manual 5th speed and I can't figured out how to put 6th speeds.

Currently swap is acc high without FTS

Here are some autoscan parts

-------------------------------------------------------------------------------
Address 01: Engine (CBT)       Labels: 07K-906-055-CBT.clb
   Part No SW: 07K 906 055 AP    HW: 07K 906 055
   Component: 2,5L 125KW      A01 1101 
   Revision: T4H06---    Serial number:               
   Coding: 0000071
   Shop #: WSC 00046 000 00000
   VCID: 7CF741F73FEB6E7B9D-8028
   VINID: 0E69D25C604609374024504920F3127443

No fault code found.
Readiness: 0000 0001

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1-CC.lbl
   Part No SW: 1K0 907 379 CC    HW: 1K0 907 379 CC
   Component: ESP MK60EC1   H46 0175 
   Revision: 00H46001   
   Coding: A43B60F8092B00FF250C06ED902100618119F078
   Shop #: WSC 00046 123 12345
   VCID: 75E154D3DCC13F33E2-8020

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 7N0-907-572.lbl
   Part No SW: 7N0 907 572 C    HW: 7N0 907 572
   Component: ACC Bosch PQx H03 0211 
   Serial number: 11081577091684 Dataset Number: V03935220KW 0011
   Coding: 01002002FE073B
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_ACCBEGVW361 001006
   ROD: EV_ACCBEGVW361.rod
   VCID: 366393DF8947742B2B-8062

No fault code found.

-------------------------------------------------------------------------------
Address A5: Frt Sens. Drv. Assist (R242)       Labels:| 3Q0-980-65X-A5.clb
   Part No SW: 3Q0 980 654 H    HW: 3Q0 980 654 A
   Component: MQB_B_MFK     H06 0271 
   Serial number: 21071611K10975 Dataset Number: V08154711FU 0001
   Coding: 000307010000010100261356C193880098000E120220
   Shop #: WSC 00046 123 12345
   ASAM Dataset: EV_MFKBoschMQBB 001001
   ROD: EV_MFKBoschMQBB_001_VW36.rod
   VCID: 3C7781F7B76BAE7BDD-8068

No fault code found.
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martocapo
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« Reply #3 on: January 19, 2026, 07:31:33 PM »

Anyone?
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martocapo
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« Reply #4 on: February 07, 2026, 11:20:53 AM »

Anyone? I need help on this, so in sum someone fixed the ratios in my ECU and now gear suggestion works perfect but ACC sitll asking to swith the gears, is like is not detecting the gear positions, probably ACC radar coding? I dont know.
Any help will be appreciate it
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