This article will summarize the upgrades for the LAUCNH X431 HD diagnostic tool from January to February 2026, focusing only on commercial vehicles (trucks).

FUSO: V10.60
New Functions
- Added deploy function for CDS – Central Data Storage system.
- Added parameter setting functions for 12 systems, including ICUC – Instrument Cluster, IPPC – Predictive Powertrain Control, MPC – Multi-Purpose Camera, TCM – Transmission Control Module, etc.
- Added ACM – Aftertreatment Control Module functions including NSC reset, DPF reset, AdBlue delivery pump test run, and AdBlue metering unit leak-tightness test.
- Added BCU – Battery Control Unit system actuator test.
- Added IMMO – Immobilizer control unit with transponder key learning function.
- Added CLCS – Level Control System parameter settings and suspension calibration.
- Added EEC – Engine Control Unit (A4) and EEC02 – Engine Control Unit system actuator tests and DPF reset functions.
- Added EBS – Electronic Braking System special functions and parameter settings.
Optimizations
- Optimized software structure.
Cummins: V17.20
New Functions
- Added diagnostic support for 2026 model year Cummins engines.
Volvo Penta: V10.15
New Functions
- Added EMS system functions for D3, D4/D6, D8/D13, D9/D16, Genset, and Versatile models.
Bosch: V16.85
New Functions
- Added basic functions, special functions, and adaptation settings for Qingling (China) P2428 MD1CS089 system.
- Added basic functions, special functions, and adaptation settings for Foton (China) P2349 MD1CC878 system.
- Added basic functions, special functions, and adaptation settings for Great Wall (China) P2211 MD1CS089 system.
- Added basic functions, special functions, and adaptation settings for SANY (China) P2088 MD1CC878 system.
- Added basic functions for SDEC (China) MD1CC878 system.
- Added basic functions, special functions, and adaptation settings for SDEC (China) MD1CS089 system.
- Added sub-version basic functions, actuator tests, special functions, and adaptation settings for Yuchai (China) P1960 MDCE108 system.
- Added sub-version basic functions, actuator tests, special functions, and adaptation settings for Yuchai (China) P1998 MD1CC878 system.
- Added basic functions, special functions, and adaptation settings for Yuchai (China) P2705 Bosch Common Rail (China VI)/T4 system.
- Added basic functions, special functions, and adaptation settings for Yuchai (China) P2586 Bosch Common Rail (China VI)/T4 system.
Fixes
- Fixed cylinder cut-off test function for Yuchai (China) P1730 EDC17CV44/54 system.
- Fixed special function issues in Foton (China) P1734 EDC17C81 system.
- Fixed Bosch 868 scanning issue for Sinotruk.
Nanjun (China): V10.20
New Functions
- Added version information, read/clear DTCs, live data, freeze frame, actuator test, and special functions for Nanjun KUS new energy models.
- Added read DTC and live data functions for Nanjun hydrogen fuel models (VCU, BMS, HMS, MCU, PDU, DCDC, AC, PFCU, AEBS+ESC, ADAS, PTC, EPS, IC).
Mercedes-Benz Trucks: V19.80
New Functions
- Added manual parameter setting and accelerator pedal relearning for industrial power unit adaptation modules.
- Added gear control parameter settings and learning functions for industrial power units.
- Added functions to clear exhaust-related fault codes and check engine oil level in industrial engine management systems.
- Added truck driver control parameter settings.
- Added function to clear exhaust-related fault codes in truck engine management systems.
- Added parameter group functions for rear module lighting and fuel tank systems.
- Added reset function for truck Electronic Air Processing Unit control module.
Qingling (China): V13.00
New Functions
- Added China VI light truck (4JZ1) system basic and special functions including VIN writing, injector coding, odometer writing (710 dedicated), odometer writing (700 dedicated), EGR close correction value writing, PRV reset, cylinder cut-off (injection disable) test, compression test, acceleration test, engine speed comparison, high-pressure test, starting fault information test, aftertreatment urea system test, and DPF functions.
- Added heavy truck (China VI) instrument cluster actuator test.
- Added basic functions, actuator tests, and special functions (VIN writing) for Daka H 2nd generation differential system.
- Added support for imported Isuzu models.
Optimizations
- Optimized UI for cylinder cut-off test, injector coding, DPF regeneration, and urea drive functions.
- Updated DTC database.
- Optimized software structure.
Fixes
- Fixed data stream issue in 4KH1-TCG40 system.
Iveco: V22.10
New Functions
- EDC 7 UC31 system: Added engine brake solenoid valve test, preheating resistor test, fan drive device test, VGT actuator test, and VGT actuator test during engine start.
- EDC17 C49 system: Added urea leak detection, urea metering pump test, urea metering valve test, and urea dosing system test.
- EDC17 CV41 system: Added exhaust brake throttle actuator, coolant temperature, common rail fuel pressure, engine speed, cooling fan, and turbo actuator functions.
- EDC MD1 CE101 system: Added urea system test, cylinder system test, exhaust system test, component replacement (EFI, aftertreatment, engine oil, etc.), and engine cooling fan test.
- Diagmax system: Added consumption data, maintenance data, maintenance warning troubleshooting, and service data.
- Added basic functions and support for instrument cluster, electric retarder, automatic transmission, rear axle steering controller, instrument cluster 2, ABS, auxiliary tail lamps, hybrid automatic transmission, instrument cluster 3, communication module, electronically controlled air suspension, and suspension management system.
- Added ESV1 AGile – MTA clutch touchpoint measurement with graphical data stream interface.
Optimizations
- Optimized SGW manual menu.
Fixes
- Fixed FPT engine scan issue.
- Fixed 5SF METHANE – ECM system identification issue.
- Fixed cylinder cut-off/compression test scan under special function entry.
- Fixed EDC17C49P_1208 9.2.1 / P_1739 5.2.1 / P_1739 issues.
- Fixed EDC MD1 + Denox 6-HD DTC reading issue.
- Fixed EDC 7 UC31 DTC reading issue.
- Fixed TPMS DTC reading issue.
- Fixed EDC 17 ECM injector coding issue.
- Fixed BCM Marelli 3 service interval setting issue.
SDEC (China): V12.50
New Functions
- Added basic and special functions for F36-6 cylinder.
- Added basic and special functions for in-house developed HCU.
- Added basic and special functions for E-Control F20_11.
- Added basic and special functions for E-Control F20_12.
- Added basic and special functions for F45.
- Added basic and special functions for TBOX_TA500.
- Added basic and special functions for TCU_F41.
- Added basic and special functions for electric drive axle – ATDG.
- Added basic and special functions for SDEC MD1CC878.
- Added basic and special functions for SDEC MD1CS089.
Deutz: V10.50
New Functions
- Added partial data stream functions for EMR4 BOSCH MD1 system versions.
Fixes
- Fixed known special function issues in EMR4 EDC17CV52 system.
Note: Renew via subscription card or upgrade from X431 tool built-in mall software.
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