Audi A3 Brake Light Switch Replacement at your home or office.

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received a Brake Light Switch Replacement.
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$114.04 - $169.17

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Average rating from customers who
received a Brake Light Switch Replacement.
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Brake Light Switch Replacement Estimate for Audi A3

Audi A3 Brake Light Switch Replacement costs $142 on average.

CarServiceEstimateShop/Dealer Price
2018 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$156.19Shop/Dealer Price$185.83 - $248.11
2013 Audi A3L4-2.0L Turbo DieselService typeBrake Light Switch ReplacementEstimate$233.45Shop/Dealer Price$291.18 - $417.99
2016 Audi A3L4-2.0L Turbo DieselService typeBrake Light Switch ReplacementEstimate$156.19Shop/Dealer Price$194.71 - $263.65
2007 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$158.09Shop/Dealer Price$194.58 - $260.25
2011 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$233.45Shop/Dealer Price$294.23 - $423.32
2010 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$233.45Shop/Dealer Price$289.15 - $414.43
2008 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$233.45Shop/Dealer Price$285.77 - $408.51
2009 Audi A3L4-2.0L TurboService typeBrake Light Switch ReplacementEstimate$238.45Shop/Dealer Price$293.77 - $418.77
Show example Audi A3 Brake Light Switch Replacement prices

Brake Light Switch Replacement Service

What is the brake light switch and how does it work?

The brake light switch is a mechanical switch activated when you press the brake pedal. The switch has a plunger in it that contacts a lever in the brake pedal assembly. As that plunger is depressed when you push on the brake pedal, the contacts in the brake light switch closed and voltage flows to the brake lights — turning them on. The brake light switch is also in the circuit that controls the cruise control disengagement and the shift interlock safety feature installed on all newer cars. Failure of the brake light switch occurs due to wear on the internal electrical contacts in the switch, poor switch terminal connections, maladjustment of the switch, or damage to the brake pedal assembly.

When to consider replacing the brake light switch?

  • No brake lights. If depressing the brake pedal does not cause any of the brake lights to illuminate, the continuity of the switch will be tested. If only one brake light is out, then the issue is not the switch but rather the bulb, bulb socket or brake light circuit integrity.
  • Unable to shift out of park. The brake light switch is also wired into the shift interlock mechanism. If you are unable to shift out of park, with your foot on the brake, check to see if the brake lights will illuminate as you push the pedal. If they do not illuminate, failure of the brake light switch may be the cause of the no shift.
  • Intermittent operation of the brake lights or late operation. The brake light switch has to be in the proper position, and work consistently if the brake lights are to come on the instant you press the brake pedal. The switch can sometimes require adjustment, or the contacts may degrade, causing inconsistent operation of the switch.

How do mechanics replace the brake light switch?

  • The switch is first tested using a multimeter, including the terminal contacts to the switch, to determine if it is faulty. If the switch is functioning, the entire circuit must be tested to determine the cause of no brake lights.
  • Should the switch be judged defective, the switch is unthreaded from the mounting boss near the brake pedal assembly.
  • The new switch is threaded in and locked with an appropriate locknut once the new switch is properly adjusted.
  • The operation of the switch is tested to ensure instant illumination of the brake lights upon pressing the brake pedal.

Is it safe to drive with a brake light switch problem?

No. Should the brake light switch have failed, it is unsafe to drive the vehicle because drivers behind you will have no indication that you are slowing, intend to slow, or are stopped. Always address a failure of this type promptly to ensure your safety while driving.

When replacing the brake light switch keep in mind:

  • The mechanic will test the brake light switch directly to ensure that the issue is not elsewhere in the brake light circuit.
  • Occasionally, the issue is a maladjusted switch or a loose contact, and the mechanic can resolve the problem without switch replacement.

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Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

Excellent Rating


YourMechanic Audi A3 Service

Average Rating

4.9/5

Number of Reviews

106

Rating Summary
98
5
3
0
0
98
5
3
0
0

Chris

19 years of experience
406 reviews
Chris
19 years of experience
Audi A3 - Oil Change - Portland, Oregon
Thanks Chris!

Peter

42 years of experience
1270 reviews
Peter
42 years of experience
Audi A3 - 110,000 Miles Maintenance Service - Phoenix, Arizona
Peter was great. He arrived early and was extremely knowledgeable. He walked me through the process and shared other bits of information that would prevent future issues. After the job, Peter made sure to clean the work area. Highly recommended.

Torrieanto

11 years of experience
498 reviews
Torrieanto
11 years of experience
Audi A3 - Engine hesitates during acceleration - Valrico, Florida
Mr. Ward was very professional. He arrived on time and immediately worked to diagnose the problem. Identified what was on the code readouts but recommended that I first add fuel and drive to see if the issue was due to the car sitting for 4 months. He wanted me to make sure before I spent any money. He was right! After I added fuel and drive for a while the car was running very smoothly. Thank you, thank you, thank you! I will definitely call for my next issue.

Lucas

20 years of experience
849 reviews
Lucas
20 years of experience
Audi A3 - Pre-purchase Car Inspection - Pacoima, California
Lucas' pre-purchase inspection was detailed and thorough with pictures, video and voice instructions. Just what I needed to make a decision on this vehicle...passing on this car and continuing my car search. Thank you Lucas!

Excellent Rating


YourMechanic Audi A3 Service

Average Rating

4.9/5

Number of Reviews

106

Rating Summary
98
5
3
0
0
98
5
3
0
0
Red-stars EXCELLENT RATING ON
Number of Audi A3 services completed
1166+
services done by our mechanics
TOTAL NUMBER OF EXPERT Audi MECHANICS
600+
experts on our platform

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