ECU Architecture Guide · Infineon Tricore TC1797 / TC1793
Bosch EDC17C64 & EDC17C74 - DPF, EGR, AdBlue & DTC Off Solutions
Verified calibration workflow for VW Golf 7, Passat B8, Tiguan, Audi A3/A4/Q5, Skoda Octavia, Seat Leon in DaVinci Ghost v1.0.41 (DaVinci Deluxe) with integrated Checksum & CVN calculation.
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Bosch EDC17C64 & EDC17C74 (VW Golf 7, Passat B8, Tiguan, Audi A3/A4/Q5, Skoda Octavia, Seat Leon) is natively supported in DaVinci Ghost v1.0.41 (DaVinci Deluxe): Verified switches for DPF Off, EGR Off (connector-off supported on verified SWs), AdBlue/SCR Off, Swirl Flaps, TVA, Hot-Start, VMAX & CVN.
Bosch EDC17C64 & EDC17C74 Hardware & Bench Specifications
| Parameter | Technical Specification |
|---|---|
| Controller Family | Bosch EDC17C64 & EDC17C74 |
| Primary Vehicle Applications | VW Golf 7, Passat B8, Tiguan, Audi A3/A4/Q5, Skoda Octavia, Seat Leon |
| Microcontroller (MCU) | Infineon Tricore TC1797 / TC1793 |
| Recommended Read / Write Method | VR OBD or Direct Bench Pinout (Master decrypted .bin / .ori) |
| Typical Fault Codes Resolved | P2002, P2463, P0401, P20EE, P229F, P046C |
| Checksum & CVN Support | Built-in CHK/CVN Switch Included Free |
| Token Cost | 1 Token per Tunable File (all switches included; 0 charged if unsupported) |
How to Calibrate Bosch EDC17C64 & EDC17C74 in 3 Steps
- Read the full flash binary from the Bosch EDC17C64 & EDC17C74 unit on bench or VR/OBD using your Master programmer and save a backup of the original read.
- Open the binary in DaVinci Ghost 1.0.41: The engine identifies the exact OEM software number, parses the diagnostic fault table, and unlocks verified switches (DPF, EGR, AdBlue/SCR, NOx, DTC, VMAX, Start/Stop).
- Enable switches + CHK/CVN & write: Toggle the required solutions, enable CHK/CVN, save your modified file, and follow on-screen sensor/module disconnect instructions (e.g. unplugging SCR/DCU module or differential pressure sensor where required) before flashing.
Check all variants of this controller in our Live Free ECU Checker, inspect OBD DTC Fault Guides, or return to the DaVinci Deluxe 1.0.41 Hub.