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ECU TECHNICAL ENCYCLOPEDIA (WIKI LAYER 1) • HOWTO & TECHARTICLE

ECU Pinout MED17.5.20 Bench / Boot / GPT Pinout — Wiring Diagram

Step-by-step bench connection diagram for ECU MED17.5.20 (non-invasive Platform Bench & Boot Mode): T30/T15 power supply, twisted-pair CAN-H/CAN-L, and GPT0/GPT1 signal pinout.

OFFICIAL PINOUT DIAGRAM: BOOT_BOSCH MED17.5.20.png (Boot)3,266,704 bytes
BOOT_BOSCH MED17.5.20.png
OFFICIAL PINOUT DIAGRAM: BOSCH MED17.5.20.png (Platform / Bench)499,810 bytes
BOSCH MED17.5.20.png
STEP-BY-STEP BENCH CONNECTION PROCEDURE (HOWTO PROTOCOL)BENCH / BOOT
  1. Step 1 (Terminal 30 & Terminal 15 Power): Apply regulated bench power 13.5V — 13.8V to constant battery (T30), switched ignition (T15), and ground (GND) pins according to the harness color code above.
  2. Step 2 (CAN Bus & GPT0 / GPT1 Signals): Connect CAN-H & CAN-L, along with signal leads GPT0 (S1) & GPT1 (S2) to enter bench service mode without opening the ECU housing.
  3. Step 3 (Full PFLASH + DFLASH Backup Read): Before writing any calibration, read and archive a full backup of internal Program Flash (PFLASH) and Data Flash / EEPROM (DFLASH).
VEHICLES EQUIPPED WITH ECU MED17.5.20 (24)VEHICLE COMPATIBILITY
MakeModel & EngineECU & MCUAction
Audi A3(8P) (1400 TFSI S-Tronic CAXC 125) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Seat Altea(5P) (1400 TSI CAXC 125) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Skoda Octavia(1Z) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Skoda Octavia(1Z) (1400 TSI • 122) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Skoda Superb(3T) (1400 TSI CAXC 125) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Skoda Superb(3T) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Bora(V) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Bora(VII) (1600 CLS 105) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Eos(1F7) (1400 TSI CAXA 122) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Eos(1F8) (1400 TSI CAXA 122) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Golf(V) (1400 TSI BLG 170) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Golf(VI) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Golf(VI) (1400 TSI • 170) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Jetta(V) (1400 TSI CAXA 122) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Lavida(I) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Magotan(B6) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Passat(B7) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Polo(V) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Polo(V) (1400 GTI EA111 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Sagitar(I) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Tiguan(5N2) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Touran(1T3) (1400 Turbo CFBA 131) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Volkswagen (VW) Voyage (1000 • 72) BOSCH MED17.5.20 (TC1766) Open Vehicle →
Audi All Brand Models (Direct ECU Label Lookup) (Read/Write DFLASH/PFLASH/Ext FLASH, Read Password, Recover VIN, CheckSum) BOSCH MED17.5.20 (TC1766) Open Vehicle →