UD Trucks Version 3, 4 DPF/SCR solution through reprogramming.
Main features:
- No SCR/DPF fault codes.
- No torque reduction.
- No warning lamps on the dashboard.
- Minimal intervention into current ECU Calibration. We know what we do. No one unrelated parameter will be changed.
- 3 or 4 SCR-related ECUs are reprogrammed together.
- 20 minutes (or less) for each truck.
- Very simple equipment requirements.
- Limited lifetime warranty.
IMPORTANT NOTICE! If this option is grayed out, please use VLOMINGO Tuning Adapter.
Explore SCR, DPF, and EGR delete solutions for UD Trucks. For more information, visit: UD Truck DPF Delete, UD Truck EGR Delete, UD Truck SCR Delete.
Legal framework usage of this service
The service may require additional hardware and/or software tools on the Customer side. See “Equipment requirements” section for the details.
Terms and conditions are determined in the Public Offer Agreement. Full agreement text is located at the Agreement page of this website.
The software (Mochester 4 app) and all its components are DrunkLab LLC’s intellectual property. Copyright violations will be prosecuted.
How-To
- Log in your shop account. Not registered yet? Time to do it now.
- Make sure your store wallet balance is more than $1,600.00.
- Download the Mochester 4 App and install it.
- Run the Mochester 4 App.
- Use your shop credentials to log in (yes, from this shop).
- Follow the instructions of the wizard.

Aftertreatment instructions
ATTENTION! After applying our SCR delete service: ACM (Aftertreatment Control Module) and both NOx sensors should remain unplugged indefinitely! Plugging them back in will cause a “soot level high” message and immediate engine derate! Exception: on EU trucks equipped with a transmission brake the ACM must remain connected but Engine CAN wires (pins 1 & 5 in the ACM connector) must be cut off. We recommend bypassing the SCR cans or removing them.Equipment requirements
- Laptop/PC/VM with Windows Vista, 7, 8, 10, 11.
- Communication adapter: 88890020, VoCom or ANY RP1210C (Nexiq USB-Link, Noregon DLA , DPA5, Inline6, etc).
- Download the Mochester 4 App and install it.
That’s it!
We do not need Tech Tool 2 or other foreign software. We use only self-developed tools for best result.
Warranty terms and conditions
This product is covered by D3LW™ program. D3LW is DrunkLab Limited Lifetime Warranty.
Warranty cases are resolved in priority order. Policy is “fix or return”, that means full refund in case of impossibility to fix the problem immediately.
Warranty cases are:
- Configuration errors.
- ECM memory-related fault codes appear after flashing.
- Aftertreatment system fault codes (not including instrument cluster reagent level code and AHI codes).
Non-warranty cases are:
- ECU replacement (different ECU serial numbers detected than stored into database during reprogramming).
- Software update campaign performed (different software detected).
- ACM connection after programming.
- Cracking/readout attempts detected (different fingerprint is stored into ECU).
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