delphi 2020.23 universal car & diagnostic software

Delphi 2020.23 delivers professional-grade car and truck diagnostics with full system access, live data, fault code reading, and advanced service functions — built for workshops and serious vehicle diagnostics.

Comprehensive OEM Technical Data

HaynesPro is a professional workshop information system built around original equipment manufacturer (OEM) repair and maintenance data. It gives technicians and garages a single repository of highly detailed vehicle data covering most makes and models in the market.

Core Capabilities

  1. Step-by-Step Repair & Service Instructions

    • Fully detailed mechanical and routine service procedures.

    • Removal/installation guides, torque specs, special tool info, adjustment values.

    • Structured, clear work steps to execute repairs efficiently.

  2. Maintenance Schedules

    • Manufacturer-recommended service intervals by mileage/time.

    • Fluids and lubricants specifications (types, capacities, viscosities).

    • Reset procedures for service indicators.

  3. Diagnostic Help & Fault Codes

    • OEM and European OBD/EOBD fault code definitions.

    • Guided diagnostic workflows linking fault codes with likely causes.

    • Tools like SmartFIX™ (Technical Service Bulletins) and SmartCASE™ (verified fix cases) to speed troubleshooting.

  4. Wiring & Electronic System Diagrams

    • Detailed wiring diagrams for engine electronics, ABS, ESP, comfort systems, climate control, etc.

    • Component location and pin-out diagrams for easier tracing and testing.

  5. Labour Times & Repair Estimating

    • Standard OEM labour times for common jobs to assist quoting and planning.

    • Integration with workshop management systems often possible.

  6. Advanced Diagnostics with VESA™

    • The Vehicle Electronic Smart Assistant guides technicians through CAN-bus diagnostics step by step.

    • Focuses only on the relevant part of a wiring diagram and measurement points to reduce guesswork.

  7. Technical Drawings & Illustrations

    • Thousands of high-quality diagrams showing parts, assemblies, and procedures.

    • Visuals help technicians quickly identify components and understand complex assemblies.

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