| F125 | Multifunction switch |
| J217 | Automatic gearbox control unit |
| J518 | Entry and start authorisation control unit |
| T10s | 10-pin connector, gearbox pre-wiring harness |
| T52 | 52-pin connector, on automatic gearbox control unit |
| T81 | 81-pin connector, on entry and start authorisation control unit |
| 35 | Earth point, under front passenger seat |
| 399 | Earth connection 34, in main wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| B483 | Connection 19, in main wiring harness |
| G93 | Gearbox oil temperature sender |
| G182 | Gearbox input speed sender |
| G193 | Automatic gearbox hydraulic pressure sender 1 |
| G194 | Automatic gearbox hydraulic pressure sender 2 |
| G195 | Gearbox output speed sender |
| J217 | Automatic gearbox control unit |
| SC29 | Fuse 29 on fuse holder |
| SC51 | Fuse 51 on fuse holder |
| T8i | 8-pin connector, gearbox pre-wiring harness |
| T52 | 52-pin connector, on automatic gearbox control unit |
| B290 | Positive connection -14- (15a), in main wiring harness |
| F189 | Tiptronic switch |
| F319 | Selector lever locked in position P switch |
| J217 | Automatic gearbox control unit |
| J518 | Entry and start authorisation control unit |
| J519 | Onboard supply control unit |
| N110 | Selector lever lock solenoid |
| N380 | Selector lever position P solenoid |
| SC52 | Fuse 52 on fuse holder |
| T2aa | 2-pin connector, on selector lever switch |
| T2ab | 2-pin connector, on selector lever switch |
| T2ac | 2-pin connector, on selector lever switch |
| T6aa | 6-pin connector, on selector lever switch |
| T6c | 6-pin connector, on onboard supply control unit |
| T10j | 10-pin connector, on selector lever switch |
| T52 | 52-pin connector, on automatic gearbox control unit |
| T81 | 81-pin connector, on entry and start authorisation control unit |
| 33 | Earth point, on right behind dash panel |
| 366 | Earth connection -1-, in main wiring harness |
| 387 | Earth connection -22-, in main wiring harness |
| 388 | Earth connection -23-, in main wiring harness |
| 415 | Earth connection, in selector lever wiring harness |
| B291 | Positive connection -15- (15a), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| E389 | Tiptronic switch in steering wheel |
| E438 | Tiptronic switch in steering wheel to shift up |
| E439 | Tiptronic switch in steering wheel to shift down |
| J217 | Automatic gearbox control unit |
| J285 | Control unit in dash panel insert |
| J527 | Steering column electronics control unit |
| J533 | Data bus diagnostic interface |
| T5 | 5-pin connector, on steering column electronics control unit |
| T16b | 16-pin connector, self-diagnosis connection, driver footwell |
| T32a | 32-pin connector, blue |
| T32b | 32-pin connector, green |
| T52 | 52-pin connector, on automatic gearbox control unit |
| B384 | Connection 2 (drive train CAN bus, high), in main wiring harness |
| B385 | Connection 3 (drive train CAN bus, high), in main wiring harness |
| B387 | Connection 5 (drive train CAN bus, high), in main wiring harness |
| B391 | Connection 2 (drive train CAN bus, low), in main wiring harness |
| B392 | Connection 3 (drive train CAN bus, low), in main wiring harness |
| B394 | Connection 5 (drive train CAN bus, low), in main wiring harness |
| B444 | Connection 1 (diagnosis), in main wiring harness |
| B509 | Connection 3 (diagnosis), in main wiring harness |
| * | only models with Tiptronic |
| ** | from May 2003 |
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