STEP-BY-STEP BENCH CONNECTION PROCEDURE (HOWTO PROTOCOL)BENCH / BOOT
- Step 1 (Terminal 30 & Terminal 15 Power): Apply regulated bench power
13.5V — 13.8Vto constant battery (T30), switched ignition (T15), and ground (GND) pins according to the harness color code above. - Step 2 (CAN Bus & GPT0 / GPT1 Signals): Connect
CAN-H&CAN-L, along with signal leadsGPT0 (S1)&GPT1 (S2)to enter bench service mode without opening the ECU housing. - 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 MG1CS111 (24)VEHICLE COMPATIBILITY
| Make | Model & Engine | ECU & MCU | Action |
|---|---|---|---|
| Audi | A3(8V) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Audi | A4(B9) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Audi | Q2(GAB) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Audi | Q3(F3) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Audi | A1(II) GB (1984 DKZC 207) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |
| Cupra | Formentor(I) (1987 DKZA 190) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |
| Seat | Ateca(KH7) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Seat | Leon(5F1) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Skoda | Karoq(NU) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Skoda | Kodiaq(NS7) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Skoda | Octavia(5E) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Skoda | Superb(3V) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Skoda | Octavia(IV) NX (1984 CZPB 190) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |
| Skoda | Octavia(IV) NX (1984 DRFA 190) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |
| Volkswagen (VW) | Arteon(3H7) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Passat(3G) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Polo(6C1) (2000 DKZB 203) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Polo(6C1) (2000 DKZC 203) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | T-Roc(A11) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Tiguan(AD1) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Tiguan(BT1) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Tiguan(BW) (1984 • 190) | BOSCH MG1CS111 (SPC5777) |
Open Vehicle → |
| Volkswagen (VW) | Arteon(I) 3H (1984 CZPB 190) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |
| Volkswagen (VW) | T-Roc(I) A1 (1984 CZPB 190) | Locked_BOSCH MG1CS111 TC298 (test) |
Open Vehicle → |


