MAN-cats III 20.1

MAN-cats III is a professional diagnostic and service software for MAN commercial vehicles, including trucks, buses/coaches, and industrial engines. It provides manufacturer-level access to electronic control units (ECUs) to streamline troubleshooting, maintenance, and repairs, helping workshops reduce downtime and ensure vehicles are returned to service quickly and safely.

Key capabilities:

• Automatic vehicle identification and full-system ECU scans
• Reading and clearing diagnostic trouble codes (DTCs) with guided fault-finding
• Live data monitoring, logging, and parameter visualization
• Actuator tests and calibrations (for example, EBS, ECAS suspension, steering, and engine-related systems)
• ECU configuration/parameterization and service resets
• Maintenance planning, test plans, and integrated technical information where available
• Software updates and programming for supported ECUs when used with the appropriate license and online access

Typical requirements:

• Compatible Windows PC
• Approved vehicle communication interface (e.g., a MAN-supported VCI)
• Valid license/subscription; some functions require an online connection
• Trained personnel familiar with commercial vehicle diagnostics and safety procedures

Who it’s for:

• Authorized and independent workshops servicing MAN fleets
• Fleet maintenance teams seeking consistent, OEM-style diagnostics
• Technical centers that need deep system access for complex repairs

Notes:

• Feature availability can vary by vehicle model, ECU, region, license level, and connected hardware.
• Always verify compatibility, licensing, and hardware requirements before deployment.

MAN-cats III is developed by MAN. The most popular versions of this product among our users are: 18.3, 18.4, 19.0, 19.3 and 20.1.