Advertisement

Advertisement

Brake support systems -> Switching the TCS on and off for Your Volkswagen Transporter Van Seventh Generation (2021-2025)

The vehicle is braked automatically if the required systems have not been damaged in the collision and have  
remained functional.  
Requirements for automatic braking:  
The driver does not press the accelerator.  
Electronic brake pressure distribution system (EBD)  
The EBD  
regulates the braking force between the front axle and the rear axle even outside the ABS control. Overbraking of the  
rear axle is avoided and the vehicle remains stable during braking.  
Electromechanical brake servo  
The EBS  
supports the driver’s foot movement when the ignition is switched on, and boosts the pressure applied to the brake  
pedal by the driver . In the event of a braking intervention by a driver assist system, e.g. when ACC is regulating  
or during emergency braking, the brake pedal can move automatically.  
The brake pressure boost will reduce gradually after you switch off the ignition. Messages are displayed on the  
instrument cluster display if the vehicle is still being held by the brake pedal. The brake servo function is restricted in  
this case.  
Secure the stationary vehicle against rolling away (→ Parking).  
WARNING  
Driving without the brake servo or with restricted brake servo function can considerably increase the braking  
distance and cause accidents and serious injuries.  
Never switch the engine or ignition off while the vehicle is in motion.  
If the brake servo does not function or the vehicle is being towed, the brake pedal will have to be depressed more  
forcefully as the braking distance will be increased due to the lack of assistance for the brake system.  
Keep the footwell under the pedals clear so that the brake pedal can move freely.  
WARNING  
The effectiveness of systems can be adversely affected if components and systems are retrofitted, e.g. by body  
builders. On vehicles with add-ons or modifications, the correct operation of system can then be impaired or  
adjusted.  
Have the second stage manufacturer confirm that the systems are functioning properly.  
Switching the TCS on and off  
Driving situations  
The traction control system (TCS  
) can be switched off in situations where insufficient traction is achieved:  
When driving in deep snow or on loose surfaces.  
When rocking the vehicle backwards and forwards to free it from mud.  
When the driving situation no longer exists, the TCS should be switched back on fully.  
Switching the TCS on and off  
1. Open the vehicle settings in the Infotainment system (→ Vehicle settings menu).  
2. Open the brake settings.  
301  
3. Switch the TCS on or off in the selection.  
TCS switched off manually. The indicator lamp lights up yellow.  
Troubleshooting  
Electromechanical brake servo failure  
Do not drive on!  
The indicator lamp lights up red.  
A text message may also be displayed. Press the brake pedal firmly as the braking distance will increase due to the  
lack of brake servo.  
1. Seek expert assistance immediately.  
Electromechanical brake servo fault  
Indicator lamp lights up yellow.  
A text message is displayed for a few seconds.  
The brake pedal may pulsate when pressed. The brake pedal must be pressed more firmly as the braking distance will  
increase due to the reduced brake servo.  
1. Go to a correspondingly qualified workshop.  
ABS failure or fault  
Indicator lamp lights up yellow.  
1. Go to a correspondingly qualified workshop.  
The vehicle can be braked without the anti-lock brake system.  
ESC fault  
Indicator lamp lights up yellow.ESC  
has been switched off.  
1. Switch the ignition on and off.  
2. Drive a short distance at a speed of 15–20 km/h(9–12 mph) if necessary.  
3. If the indicator lamp continues to light up, go to a suitably qualified workshop.  
Noises from the brake support systems  
The brake pedal may move or noises may occur while the brake support systems are regulating.  
WARNING  
The control function of the ABS may have failed if the brake warning lamp lights up together with the ABS  
indicator lamp . This can cause the rear wheels to lock quickly when you brake. Locked rear wheels can lead to a  
loss of control of the vehicle.  
If possible, reduce the vehicle speed and drive carefully at low speed to the nearest correspondingly qualified  
302