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DAVIE XDc II: The Complete Guide to DAF Dealer Diagnostic Software for Trucks
Last Updated: July 2026
| Quick Information | |
|---|---|
| Software Name | DAVIE XDc II (DAF Advanced Vehicle Information Environment) |
| Developer | DAF Trucks N.V. (PACCAR) |
| Category | OEM Dealer Diagnostic Software |
| Primary Purpose | Electronic diagnostics, ECU programming, calibration, troubleshooting and maintenance |
| Supported Equipment | DAF XF, XG, XG+, XD, CF, LF Trucks |
| Communication Protocols | CAN Bus, SAE J1939, ISO 15765 (UDS), ISO 14229, PACCAR Proprietary Communication |
Table of Contents
- Introduction
- What is DAVIE XDc II?
- History of DAVIE
- Supported Vehicle Families
- Supported Engine Families
- Electronic Control Units (ECUs)
- Communication Hardware
- Supported Communication Protocols
- Main Diagnostic Functions
- Live Data Monitoring
- Reading & Clearing Diagnostic Trouble Codes
- ECU Programming & Configuration
- Calibration Procedures
- Engine Diagnostics
- Transmission Diagnostics
- Brake System Diagnostics
- Electrical Troubleshooting
- Workshop Workflow
- Advantages
- Limitations
- Frequently Asked Questions
- Field Engineer’s Notes
- Conclusion
Introduction
DAVIE XDc II (DAF Advanced Vehicle Information Environment) is the official OEM dealer diagnostic software developed by DAF Trucks, a PACCAR company. It is the primary diagnostic platform used by authorized DAF service centers worldwide for diagnosing, configuring, programming and maintaining modern DAF trucks.
Modern DAF vehicles contain dozens of electronic control units responsible for engine management, automated transmissions, braking systems, steering, air suspension, emissions systems and body electronics. DAVIE XDc II provides dealer-level communication with these systems, enabling technicians to diagnose faults quickly and accurately.
What is DAVIE XDc II?
DAVIE XDc II is DAF’s official diagnostic and service application that communicates directly with compatible ECUs using the DAF Vehicle Communication Interface (VCI-560 or newer supported interfaces). The software supports complete electronic diagnostics, ECU programming, software updates, calibration procedures, maintenance operations and guided troubleshooting.
Unlike universal truck diagnostic software, DAVIE XDc II provides full manufacturer-specific access to all supported DAF electronic systems.
History of DAVIE
DAF introduced the DAVIE platform to support increasingly sophisticated electronic systems installed on modern commercial vehicles. As Euro IV, Euro V and Euro VI engines introduced advanced emissions systems and multiplexed CAN networks, DAVIE evolved into DAVIE XDc II, offering improved diagnostics, faster communication and expanded programming capabilities.
Supported Vehicle Families
| Vehicle Family | Coverage |
|---|---|
| DAF LF | Light Distribution Trucks |
| DAF CF | Regional & Construction Trucks |
| DAF XF | Heavy Duty Long Haul |
| DAF XG | Next Generation Trucks |
| DAF XG+ | Premium Long Distance Models |
| DAF XD | Regional Distribution |
| Military & Special Vehicles | Supported Models |
Supported Engine Families
- PACCAR PX-5
- PACCAR PX-7
- PACCAR MX-11
- PACCAR MX-13
- Euro IV Engines
- Euro V Engines
- Euro VI Engines
Electronic Control Units (ECUs)
| Controller | Function |
|---|---|
| Engine ECU | Engine Management |
| Transmission ECU | Automated Transmission Control |
| EBS | Electronic Brake System |
| ECAS | Electronic Air Suspension |
| BCM | Body Control Module |
| Instrument Cluster | Driver Information |
| Aftertreatment Controller | SCR & DPF Management |
| Steering Controller | Electronic Steering Systems |
Communication Hardware
- DAF VCI-560
- DAF Dealer Communication Interface
- USB Communication
- Ethernet Communication
Supported Communication Protocols
- CAN Bus
- SAE J1939
- ISO 15765 (UDS)
- ISO 14229
- PACCAR Proprietary Communication
Main Diagnostic Functions
| Function | Status |
|---|---|
| Read Fault Codes | Supported |
| Clear Fault Codes | Supported |
| Live Data | Supported |
| Controller Identification | Supported |
| ECU Programming | Supported |
| Calibration | Supported |
| Service Reports | Supported |
Live Data Monitoring
DAVIE XDc II provides real-time monitoring of engine RPM, turbo boost pressure, fuel rail pressure, exhaust temperatures, DEF dosing, DPF loading, transmission information, brake pressures, suspension height, battery voltage and hundreds of additional vehicle parameters.
Reading & Clearing Diagnostic Trouble Codes
Technicians can retrieve active, inactive and historical Diagnostic Trouble Codes from every supported electronic controller. Detailed fault descriptions and guided diagnostic procedures accelerate troubleshooting while reducing unnecessary component replacement.
ECU Programming & Configuration
DAVIE XDc II supports software programming, ECU replacement, parameter configuration and synchronization of compatible controllers. Following ECU replacement, technicians can restore vehicle configuration according to official DAF service procedures.
Calibration Procedures
- Transmission Calibration
- Steering Angle Calibration
- Suspension Calibration
- Injector Coding
- Clutch Adaptation
- Service Reset Procedures
Engine Diagnostics
Engine diagnostics include fuel injection monitoring, turbocharger diagnostics, SCR system analysis, AdBlue dosing, DPF regeneration support, intake pressure monitoring, exhaust aftertreatment diagnostics and emissions troubleshooting.
Transmission Diagnostics
Supported automated transmissions can be diagnosed through clutch monitoring, gear engagement analysis, pressure monitoring, adaptation procedures and calibration routines.
Brake System Diagnostics
Brake diagnostics include Electronic Brake System (EBS) communication, ABS sensors, trailer brake control, brake pressure monitoring and electronic retarder diagnostics.
Electrical Troubleshooting
Electrical diagnostics include CAN Bus communication analysis, actuator testing, controller identification, wiring diagnostics, sensor voltage monitoring and body control system troubleshooting.
Workshop Workflow
- Verify battery voltage.
- Connect DAF VCI.
- Launch DAVIE XDc II.
- Identify vehicle.
- Read all ECUs.
- Retrieve Diagnostic Trouble Codes.
- Analyze live operating data.
- Perform calibration if required.
- Repair identified faults.
- Program replacement ECU if required.
- Clear Diagnostic Trouble Codes.
- Verify repair.
- Create service report.
Advantages
- Official DAF OEM software.
- Dealer-level diagnostics.
- Complete ECU programming.
- Excellent live data capabilities.
- Supports all modern DAF truck platforms.
- Advanced emissions diagnostics.
- Professional guided troubleshooting.
Limitations
- Requires DAF VCI communication interface.
- Programming requires dealer authorization.
- Coverage depends on vehicle generation.
- Online functions require internet connectivity.
Frequently Asked Questions
Can DAVIE XDc II diagnose every DAF truck?
Coverage depends on the vehicle generation, electronic architecture and supported software version.
Can DAVIE XDc II program ECUs?
Yes. Compatible controllers can be programmed, configured and synchronized using authorized dealer procedures.
Does DAVIE XDc II support Euro VI engines?
Yes. It supports Euro IV, Euro V, Euro VI and current PACCAR engine platforms where applicable.
Can DAVIE XDc II perform DPF regeneration?
Supported service functions include emissions-related maintenance procedures depending on the vehicle configuration.
Is DAVIE XDc II better than aftermarket truck diagnostic software?
Yes. As DAF’s official OEM diagnostic platform, it provides programming, calibration and guided diagnostic functions that are unavailable through most generic heavy-duty diagnostic tools.
Field Engineer’s Notes
Always verify battery condition, communication wiring and CAN Bus integrity before replacing electronic controllers. Many communication failures originate from wiring faults, connector corrosion or low supply voltage rather than defective ECUs.
Whenever an ECU is replaced, follow official DAF programming procedures to ensure proper software compatibility and complete vehicle configuration.
Conclusion
DAVIE XDc II remains the most comprehensive OEM diagnostic solution available for DAF commercial vehicles. Its dealer-level diagnostics, ECU programming, live data monitoring and guided troubleshooting capabilities make it an essential tool for professional workshops servicing modern DAF trucks.
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