C006C: Stabilitätssystem
Was zu tun ist
The ordinary brakes are unaffected — what has switched off is the system that catches a skid for you. The car will feel completely normal until the moment it would have intervened, which is exactly when you will not want it missing. Drive gently in the wet and cold and get it diagnosed.
Was dieser Code bedeutet
The stability system has reported a fault.
Stability control needs to know what the car is actually doing, not just what the wheels are doing.
The wheel speed sensors say how fast each wheel turns. The steering angle sensor says where the driver is pointing. The inertial sensors say how the body is really moving — yaw is rotation about the vertical axis, lateral acceleration is the sideways push, longitudinal is braking and accelerating, roll is lean.
Stability control is the comparison between the two. If the driver is asking for a curve the car is not following, the system brakes individual wheels — and sometimes cuts engine torque — to rotate the car back onto the intended path. It cannot make that comparison with a sensor missing, so it shuts down rather than act on a partial picture.
This is the system-level code and its value depends entirely on what sits beside it.
With sensor codes alongside, this is the consequence — the module has concluded it cannot do its job and switched off. Standing alone, every input tested healthy and the system still would not arm, which points at the module, its calibration, or a message it needs from elsewhere on the vehicle network.
That last possibility is worth taking seriously. Stability control asks the engine to reduce torque and the transmission to hold a gear, so it depends on other modules answering. A network fault or a module that has stopped responding can disable stability control while every chassis sensor is perfect — check for communication codes before condemning anything here.
The most important thing first: the car still stops.
ABS, traction control and stability control are all additions to a braking system that works without them. When the module finds a fault it switches itself off and hands back a conventional, fully hydraulic brake system — the pedal, the master cylinder, the lines and the calipers are untouched. You have not lost your brakes.
What you have lost is the help. Without ABS the wheels can lock under hard braking, which lengthens the stopping distance on a slippery surface and — the part people forget — takes away your ability to steer while braking hard, because a locked wheel cannot generate cornering force. Without stability control the car will not catch a slide for you.
So drive it, but drive it as though it were forty years old: brake earlier, leave more room, and be especially careful in rain, snow and on gravel.
Wahrscheinliche Ursachen
Hier anfangen
- ESP-Steuergerät defekt · Fachwerkstatt
- Zu niedrige Systemspannung · einfach
- Schlechte Masseverbindung des Steuergeräts · Fachwerkstatt
Seltener
Symptome
Beteiligte Bauteile
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