Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
F01/F02 Bus System Overview
Legend for F01/F02 Bus System Overview
| Index | Explanation |
|---|---|
| ACSM | Crash Safety Module (Advanced Crash Safety Module) |
| AL | Active steering system |
| CAS | Car Access System |
| CIC | Car Information Computer |
| CID | Central information display |
| CON | Controller |
| DME | Digital Motor Electronics |
| DSC | Dynamic Stability Control |
| DVD | DVD changer |
| EDC SHL | Electronic damper control, rear left satellite |
| EDC SHR | Electronic damper control, rear right satellite |
| EDC SVL | Electronic damper control, front left satellite |
| EDC SVR | Electronic damper control, front right satellite |
| EGS | Electronic transmission control |
| EHC | Electronic ride-height control |
| EKPS | Electrical fuel pump control |
| EMA LI | Electrically motorized reel, left, (seat belt) |
| EMA RE | Electrically motorized reel, right, (seat belt) |
| EMF | Electromechanical parking brake |
| FD | Rear compartment display |
| FD2 | Rear display 2 |
| FKA | Rear compartment heating/air conditioning system |
| FLA | High-beam assistant |
| FRM | Footwell module |
| FZD | Roof functions Center |
| GWS | Gear selector lever |
| HiFi | HiFi amplifier |
| HKL | Luggage compartment lid lift |
| HSR | Rear-axle drift angle control |
| HUD | Head-up display |
| ICM | Integrated Chassis Management |
| IHKA | Integrated automatic heating/air conditioning |
| JBE | Junction box electronics |
| KAFAS | Camera-based driver assistance systems |
| KOMBI | Instrument cluster |
| NVE | Night Vision electronics |
| PDC | Park Distance Control |
| TPMS | Tire Pressure Monitoring System |
| OBD | Diagnosis socket |
| RSE-Mid | Rear seat entertainment |
| SDARS | Satellite tuner |
| SMBF | Passenger's seat module |
| SMBFH | Rear passenger seat module |
| SMFA | Driver's seat module |
| SMFAH | Rear module on driver' seat side |
| SWW | Lane change warning |
| SZL | Steering column switch cluster |
| TCU | Telematics control unit |
| TOP-HIFI | Top-HiFi system |
| TRSVC | Control unit for rear view camera and Side View (Top Rear Side View Camera) |
| ULF-SBX High | Interface box - high (USB/audio interface) |
| VDM | Vertical dynamics management (central control unit for electronic damper control) |
| VSW | Video switch |
| ZGM | Central gateway module |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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