What are the locations of brake light switches and how can they be accessed and tested on Volkswagen Passat?

The brake light switch is on the bracket of the pedal on which the brake pedal is mounted and it is situated near the top and once the pedal is depressed the brake lights are switched on. The knee bolster and left side under-dash panel have to be removed to reach the switch. The fuse should be checked in case the brake lights are not on. In the case of an intact fuse, then the voltage on the switch on the feed wire is to be checked, and in the event of no voltage, the conduit between the switch and the fuse box must be repaired. In case of the presence of voltage, the terminal of the output wire must be tested when the brake pedal is pressed; in case no voltage is detected, the switch must be changed. Voltage at the output is expected to also indicate power on the brake light wires at the tail light housings, when the brake pedal is depressed: in the event that there is no voltage, the circuit between the switch and the brake lights must be repaired. A bad ground is to be tested by probing at the tail light connector, the ground wire terminal with a jumper wire to a good ground, and in case the brake lights go on, the ground circuit is faulty. Another point to be taken into consideration is the fact that the brake light bulbs might be burnt, but the possibility that all bulbs will go dead at the same time is low. To adjust, thread the switch in or out to provide a clearance of around 1/64-inch (0.4 mm) between the end of the switch body and the plunger pointing out that to adjust some models may involve loosening a locknut or working with a pressed-metal nut. To replace, the under-dash panel on the left-side and knee bolster will be pulled out, the electrical connector de-plugged, the switch unscrewed to the bracket, without forgetting the pressed-metal nut (where present). The old switch has a locknut, which should be transferred to the new one. The new switch is then fitted by reversing the 3 steps of removing and then setting the switch and then reconnecting with the electrical connector and then testing the work of brake light and then installing the knee bolster and under-dash panel again.

Genuine Volkswagen Brake Light Switches

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12 Brake Light Switches found

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Volkswagen Switch Part Number: 3C0-927-225-C-REH
$78.43 MSRP: $109.84
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Product Specifications
- Other Name: Button; Switch
- Replaces: 3C0-927-225-A-REH, 3C0-927-225-B-REH
Fits the following Volkswagen Models:
- CC | 2009-2012 | Executive, Lux, Lux Limited, Lux Plus, Luxury, R-Line, Sport, VR6, VR6 4Motion, VR6 Sport | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Passat | 2006-2010 | 2.0T, 3.6, Komfort, Lux, Turbo, Value Edition, VR6, Wolfsburg Edition | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Contact Part Number: 3Q0-611-377
$48.47 MSRP: $67.31
You Save: $18.84 (28%)
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Product Specifications
- Other Name: Sender
Fits the following Volkswagen Models:
- Arteon | 2019-2023 | SE, SE R-Line, SEL, SEL Premium, SEL Premium R-Line, SEL R-Line | 4 Cyl 2.0 L GAS
- GTI | 2022-2024 | 40th Anniversary Edition, Autobahn, S, SE | 4 Cyl 2.0 L GAS
- Golf R | 2022-2023 | 20th Anniversary Edition, Base | 4 Cyl 2.0 L GAS
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Volkswagen Stoplamp Switch Part Number: 7L6-945-511
$8.82 MSRP: $14.46
You Save: $5.64 (39%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Touareg | 2007-2010 | Base, TDI, VR6 | 10 Cyl 5.0 L DIESEL, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Volkswagen Stoplamp Switch Part Number: 4A0-945-515-A
$32.33 MSRP: $53.88
You Save: $21.55 (40%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Passat | 1998-2002 | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion, W8 | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
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Volkswagen Stoplamp Switch Part Number: 3B0-945-511-C
$28.32 MSRP: $47.20
You Save: $18.88 (40%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Jetta | 2005-2006 | 2.0T, 2.5, GLI, TDI, Value Edition | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
- Phaeton | 2005-2006 | V8, W12 | 12 Cyl 6.0 L GAS, 8 Cyl 4.2 L GAS
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Volkswagen Stoplamp Switch Part Number: 443-945-515
$34.88 MSRP: $58.13
You Save: $23.25 (40%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Passat | 1998-2001 | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Parking Brake Warning Switch Part Number: 191-947-563-B
$13.18 MSRP: $21.60
You Save: $8.42 (39%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- EuroVan | 1999-2003, 1997, 1995, 1993 | Camper, CL, GL, GLS, MV | 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Parking Brake Warning Switch Part Number: 1H0-947-561-A
$20.67 MSRP: $33.88
You Save: $13.21 (39%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Passat | 1995-2005 | 4 Motion, GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion, TDI, W8 | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS
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Volkswagen Stoplamp Switch Part Number: 7B0-945-511
$27.13 MSRP: $37.69
You Save: $10.56 (29%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Routan | 2009 | S, SE, SEL | 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS
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Volkswagen Parking Brake Warning Switch Part Number: 3D0-947-561-B
$53.58 MSRP: $74.42
You Save: $20.84 (28%)
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Product Specifications
- Other Name: Switch
- Replaces: 3D0-947-561-A
Fits the following Volkswagen Models:
- Phaeton | 2004-2006 | V8, W12 | 12 Cyl 6.0 L GAS, 8 Cyl 4.2 L GAS
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Volkswagen Parking Brake Warning Switch Part Number: 7B0-947-561
$20.30 MSRP: $27.73
You Save: $7.43 (27%)
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Product Specifications
- Other Name: Switch
Fits the following Volkswagen Models:
- Routan | 2009-2014 | S, SE, SEL, SEL Premium | 6 Cyl 3.6 L FLEX, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS
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Volkswagen Stoplamp Switch Part Number: 7B0-945-511-C
$39.47 MSRP: $54.82
You Save: $15.35 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch
- Replaces: 7B0-945-511-B, 7B0-945-511-A
Fits the following Volkswagen Models:
- Routan | 2010-2014 | S, SE, SEL, SEL Premium | 6 Cyl 3.6 L FLEX, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS

Volkswagen Brake Light Switches

Volkswagen Brake Light Switches provide immediate activation of brake lamps, which assists drivers behind you to react more quickly and keep every journey safer. Since 1937, VW has pursued the concept of a reliable people car as it evolved from the Beetle to the ID electric models of today, continuing to focus on clean design, sound engineering, and clever technology. TSI turbo engines, the versatile MQB platform, park assist, and crisp digital cockpits illustrate how the brand finds a balance between performance and affordability. Families rely on spacious vans, commuters are attracted to an efficient hatchback, and fans marvel at the sculpted Arteon, but all VWs have the same guarantee of reliability, intuitive controls, and daily fun. That promise is extended to the little but important Brake Light Switches that are hidden behind the brake pedal. Each spring-loaded plunger is in contact with the pedal arm and snaps a circuit closed the moment the driver applies pressure, sending current to the rear bulbs and a signal to cancel cruise control for extra safety. Two main versions exist, one a fixed length that locks into a clip and one that adjusts in for perfect alignment, both using a four-pin connector for quick swaps. Because these components are the first messenger of a stop, regular checks of Brake Light Switches help every VW to communicate clearly with the traffic behind and keep its confidence high on every road.

Buying OEM parts is a smart move to keep your long-term repair costs low. These components are built to last because VW uses such strict factory standards. At VWPartsGiant.com, it is easy to find genuine Volkswagen Brake Light Switches at prices that actually beat the competition. You get a real manufacturer's warranty with every single part, so you know your purchase is safe. Plus, forget about return headaches since our policy is easy and worry-free. We ship your order fast, too. If you have questions, our team of parts experts is ready to help. Why wait? Start shopping now!

Volkswagen Brake Light Switches Parts and Q&A

Parking Brake Warning Switch
1H0-947-561-A
Q: What are the locations of brake light switches and how can they be accessed and tested on Volkswagen Passat?
A:
The brake light switch is on the bracket of the pedal on which the brake pedal is mounted and it is situated near the top and once the pedal is depressed the brake lights are switched on. The knee bolster and left side under-dash panel have to be removed to reach the switch. The fuse should be checked in case the brake lights are not on. In the case of an intact fuse, then the voltage on the switch on the feed wire is to be checked, and in the event of no voltage, the conduit between the switch and the fuse box must be repaired. In case of the presence of voltage, the terminal of the output wire must be tested when the brake pedal is pressed; in case no voltage is detected, the switch must be changed. Voltage at the output is expected to also indicate power on the brake light wires at the tail light housings, when the brake pedal is depressed: in the event that there is no voltage, the circuit between the switch and the brake lights must be repaired. A bad ground is to be tested by probing at the tail light connector, the ground wire terminal with a jumper wire to a good ground, and in case the brake lights go on, the ground circuit is faulty. Another point to be taken into consideration is the fact that the brake light bulbs might be burnt, but the possibility that all bulbs will go dead at the same time is low. To adjust, thread the switch in or out to provide a clearance of around 1/64-inch (0.4 mm) between the end of the switch body and the plunger pointing out that to adjust some models may involve loosening a locknut or working with a pressed-metal nut. To replace, the under-dash panel on the left-side and knee bolster will be pulled out, the electrical connector de-plugged, the switch unscrewed to the bracket, without forgetting the pressed-metal nut (where present). The old switch has a locknut, which should be transferred to the new one. The new switch is then fitted by reversing the 3 steps of removing and then setting the switch and then reconnecting with the electrical connector and then testing the work of brake light and then installing the knee bolster and under-dash panel again.