What is Calibration Verification Number (CVN)?
Calibration Verification Number (CVN) is a core compliance & obd concept in modern engine management: Mode 09 PID 06 hexadecimal hash reported by the ECU over OBD-II representing active calibration sector integrity. Within Softechpro Solutions v2.0.6 (native Windows 10/11, macOS & B2B REST API), supported compliance & obd structures are identified automatically across 4,973+ 12V Car/Van ECUs and 446+ 24V Heavy-Duty Truck & Tractor controllers with integrated block checksum calculation.
By Softechpro Calibration Engineering Team · Suite v2.0.6 · Last verified
Technical Specifications & Workshop Reference
| Engineering Attribute | Specification in Softechpro Solutions v2.0.6 |
|---|---|
| Subsystem Category | Compliance & OBD |
| Diagnostic / Protocol Refs | Mode 09 / Service $09 |
| Representative Controllers | MD1CS001, SIMOS19 |
| Required Input File | 100% Virgin Original Stock Readout (.bin / .ori full backup) |
| Supported Platforms | Windows 10/11, macOS (1 PC / HWID) & B2B HTTPS REST API |
Related ECU Engineering Terms
← ECU Block Checksum & RSA Signature Integrity
Mathematical CRC16/CRC32/SHA/Modular block verification computed over modified calibration sectors so the ECU bootloader permits engine start.
Stage 1 ECU Power & Torque Calibration →
Safe calibration of driver-wish torque, boost target, rail pressure, injection quantity/ignition advance and thermal limiters for 100% stock hardware.
TMC RP1210 24V Commercial Vehicle API
Heavy-duty truck, bus and off-highway communication standard supporting J1939, J1708 and ISO15765 across 24-volt commercial architectures.
Engineering & Licensing Questions
What is Calibration Verification Number (CVN) in ECU remapping and diagnostics?
Calibration Verification Number (CVN) refers to mode 09 PID 06 hexadecimal hash reported by the ECU over OBD-II representing active calibration sector integrity. Softechpro Solutions v2.0.6 automates binary detection and checksum verification on 100% virgin original stock files.
Which fault codes or identifiers relate to Calibration Verification Number (CVN)?
Common diagnostic references associated with Calibration Verification Number (CVN) include Mode 09 / Service $09. Upload your virgin ECU readout free at https://www.softechpro-solutions.com/ to verify exact software coverage.