ECU calibration files
Stage 1, Stage 2, Stage 3 and custom ECU file requests for petrol, diesel and performance projects.
Branded ECU file service portal
JWH-TUNER ECU, TCU and CPC tuning file service
JWH-TUNER gives customers a dedicated portal for vehicle data lookup, original-file upload, Stage calibration requests, payment tracking, processing updates and final tuned-file download.
TCU transmission files
Gearbox calibration requests for DSG, ZF, AMG and related transmission control systems.
CPC and advanced modules
CPC, limiter, torque model and advanced technician review workflows.
Secure delivery
Customer accounts, order tracking, payment proof, internal messages and final file download remain inside this brand portal.