# Heavy Truck Ownership Change Log

Compare supported readings with the same truck's earlier records and bring changing symptoms to qualified diesel support.

Truck identity, mileage, date and work: __________________________

Compatible HD connector, adapter and software: __________________________

Parked baseline conditions: __________________________

Supported SPN/FMI codes and occurrence details: __________________________

Consistent engine and aftertreatment readings: __________________________

Fluid use, maintenance and service receipts: __________________________

Tyre and air-system physical checks: __________________________

Change from earlier readings and symptoms: __________________________

Diesel technician questions and confirmed findings: __________________________