SERVICE · AdBlue OFF
AdBlue OFF software
Disable AdBlue dosing, NOx monitoring, urea tank level checks and the eventual no-start countdown at the calibration level — for export and off-road use.
Typical symptoms / why workshops apply AdBlue OFF
- AdBlue countdown to 0 km warning
- NOx sensor fault MIL
- Urea dosing line MIL
- SCR efficiency below threshold
- No-start lockout after countdown completes
- Faulty AdBlue heater on cold start
What Softechpro V5 actually patches when you select AdBlue OFF
- Disables urea injection / dosing request.
- Disables NOx sensor pre-cat and post-cat input checks.
- Disables urea tank level monitoring.
- Disables SCR efficiency calculation.
- Suppresses every DTC in the AdBlue / SCR family.
- Neutralises the countdown logic that locks the engine.
ECU families supported for AdBlue OFF
Bosch EDC17 (multiple variants)Bosch MD1 / MG1Bosch MEDC17Delphi DCM6Siemens SID807 EVO
DTC codes commonly cleared by AdBlue OFF
5-step workflow
- Read out your ECU bin file via OBD or bench (KESS3, AutoTuner, MPPS, Trasdata, Flex, FRF flasher).
- Open Softechpro V5 and drop the .bin / .ori / .hex / .s19 / .frf onto the workspace. Softechpro auto-identifies the ECU family from the header signature.
- Select AdBlue OFF from the service tab.
- Hit Save patched .bin. The ECU-specific checksum is recomputed automatically.
- Flash the patched file back via your existing flasher. Reset adaptations via the OEM scan tool if required.
Legal notice
AdBlue removal is illegal on EU road-registered vehicles (Regulation 2018/858). Off-road, motorsport and EXPORT MARKETS ONLY.
Frequently asked questions
What about the AdBlue tank — do I empty it?
Yes. Once dosing is disabled, leave the tank empty to avoid the urea crystallising in the injector and lines.
How long does the countdown take to reset?
Most ECUs clear the countdown on the first IGN cycle after the patched file is flashed. Some Mercedes / VAG variants need an adaptation reset via the OEM scan tool.