NBTevo VO Lock Fix coding unlock

If you encounter the following error during VO Coding on your NBTevo unit:

• Caf's werden gesucht>
• Read NCD
• NCD-Coding 1: "CAFD_00001EF6_006_064_014.ncd"
• TAL calculation started.
• TAL execution started.
• Read SVT before TAL execution started.
• Checking Mirror-Protocol started
• Mirror-Protocol: no token required
• TAL execution started.
• httpServerActivation: true>
• isDeactivateHttp: false>
• ExecutionID=2026/11/01-18:23:15.127>
• [] prepareTALExecution started [PROGRESS]>
• [] prepareTALExecution finished [PROGRESS]>
• [] prepareVehicleForCoding started [PROGRESS]>
• [] prepareVehicleForCoding finished [PROGRESS]>
• [HU_NBT2 - 63] prepareECUforCoding started [PROGRESS]>
• [HU_NBT2 - 63] prepareECUforCoding finished [PROGRESS]>
• [HU_NBT2 - 63] authenticateECUforCoding started [PROGRESS]>
• [HU_NBT2 - 63] authenticateECUforCoding finished [PROGRESS]>
• [HU_NBT2 - 63 - cafd_00001ef6-006_064_014] Transaction type: cdDeploy; Message: TA started [TRANSACTION]>
• MCDDiagService<id=62649, job=com.bmw.psdz.jobs.uds.MCD3_PerformECUCoding, service=WDBI_PLAIN - WriteDataByIdentifier with unlimited Data-ID (plain hex value), description=error: negative response : requestOutOfRange, link=HU_NBT2_63_ETHERNET> [DIAGSERVICE]>
• [] job failed with negative response error:
• code: repeat job

description: Service WDBI_PLAIN returned a negative response with response code requestOutOfRange; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [THROWABLE]>
• [HU_NBT2 - 63 - cafd_00001ef6-006_064_014] Transaction type: cdDeploy; Message: TA finished [TRANSACTION]>
• [HU_NBT2 - 63] -MessageID is used multiple times, so MessageText may be ambiguous-job failed with negative response error:
• code: repeat job

description: Service WDBI_PLAIN returned a negative response with response code requestOutOfRange; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [WARN]>
• [HU_NBT2 - 63] - [Exception - HU_NBT2 - 63] job failed with negative response error:
• code: repeat job

description: Service WDBI_PLAIN returned a negative response with response code requestOutOfRange; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [HU_NBT2 - 63] prepareECUforCoding started [PROGRESS]>
• MCDDiagService<id=230634, job=com.bmw.psdz.jobs.uds.MCD3_PrepareECUforCoding, service=DSC - DiagnosticSessionControl, description=error: negative response : conditionsNotCorrect, link=HU_NBT2_63_ETHERNET> [DIAGSERVICE]>
• [HU_NBT2 - 63] prepareECUforCoding finished [PROGRESS]>
• [HU_NBT2 - 63] authenticateECUforCoding started [PROGRESS]>
• MCDDiagService<id=16727, job=com.bmw.psdz.jobs.uds.MCD3_AuthenticateECUforCoding, service=SA_SK - SecurityAccessSendKey, description=error: negative response : serviceNotSupportedInActiveSession, link=HU_NBT2_63_ETHERNET> [DIAGSERVICE]>
• [] job failed with negative response error:
• code: service returned global negative response

description: Service SA_SK returned a negative response with response code serviceNotSupportedInActiveSession; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [THROWABLE]>
• [HU_NBT2 - 63] There was an error during TAL execution, please check the log files. [WARN]>
• [HU_NBT2 - 63] There was an error during TAL execution, please check the log files. [WARN]>
• [HU_NBT2 - 63] - [Exception - HU_NBT2 - 63] job failed with negative response error:
• code: service returned global negative response

description: Service SA_SK returned a negative response with response code serviceNotSupportedInActiveSession; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [HU_NBT2 - 63] finalizeECUCoding started [PROGRESS]>
• [HU_NBT2 - 63] finalizeECUCoding finished [PROGRESS]>
• [] There was an error, please check the log files. [WARN]>
• [] - [Exception - HU_NBT2 - 63] job failed with negative response error:
• code: service returned global negative response

description: Service SA_SK returned a negative response with response code serviceNotSupportedInActiveSession; LinkName: HU_NBT2_63_ETHERNET

• severity: ERROR
• [] finalizeVehicleCoding started [PROGRESS]>
• [] finalizeVehicleCoding finished [PROGRESS]>
• [] finalizeTALExecution started [PROGRESS]>
• [] finalizeTALExecution finished [PROGRESS]>
• TAL execution finished [TAL_EXECUTION_FINISHED]>
• TAL-Execution finished with status: "FinishedWithError".
• TAL execution finished. Duration: "12s".
• Read SVT after TAL execution started.
• Read SVT after TAL execution finished.
• TAL execution finished.

This means your head unit is affected by the VO Lock restriction.

Solution – Unlocking VO Lock

For ALL NBTevo Versions (ENET Cable Method)

• Feature Installer Codes are not auto-generated.

Delivery time can range from a few minutes up to a couple of hours.

If you need the code urgently, please select Instant Activation or contact us via WhatsApp before placing your order.

No refunds are possible once the process has started.

Our software is fully tested before release.

• However, by using it you agree to do so at your own risk.
• In rare cases, an upgrade can fail and the unit may become unresponsive (bricked).
• We do not offer refunds in such cases.

While our intention is never to harm your car or unit, you must be prepared for all outcomes when performing coding or flashing.

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• Email: contact@flashxcode.com