What are the functions, components, and troubleshooting steps for the Anti-lock Brake System (ABS) and Speed Sensor on Subaru Forester?

ABS and VDC systems have been developed to enable the vehicle to be steered, stabilized directionally and decelerated at an optimum level when experiencing heavy braking or violent manoeuvring on road surfaces. The Anti-lock Brake System (ABS) system is designed in such a way that it prevents wheel lockup during heavy brake application by monitoring the rotational speed of each wheel and controlling brake line pressure. ABS wheel speed sensors supply data to VDC system which are used for traction control, over/under-steering as well as acceleration control. An Electronic Control Unit (ECU), four-wheel speed sensors, and a hydraulic unit make up the ABS system whereas an ECU, yaw rate sensor, lateral sensor and steering angle sensor are what form part of the VDC system. When there is a problem with the ABS/VDC system, a warning light will illuminate on the dashboard. Some things to check may include inspecting brake fluid levels, testing electrical connections for firmness, examining hydraulic control unit among others; these checks should also include looking into fuses as well as investigating all wiring connections to see if they are secure and free from damage. If this does not work then you will need to find a competent mechanic or technician who can diagnose and fix your car. To remove a wheel speed sensor first loosen its lug nuts before raising the vehicle onto jackstands turning off ignition key tracing down & disconnecting its wires removing mounting bolt pulling out carefully placing back mount bolt tightening up putting back tire & ensuring securing lugs nuts tightly installed in order.

Genuine Subaru Speed Sensor

Speed Control Sensor

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175 Speed Sensors found

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Subaru Sensor Assembly Reverse At
Part Number: 31937AA071
$55.23 MSRP: $80.05
You Save: $24.82 (32%)
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Product Specifications
- Other Name: Sensor Assembly-Revolution,At
- Replaces: 31937AA070
Fits the following Subaru Models:
- Forester | 2004-2010 | Forester Sports, L.L.Bean, X, X Limited, XS, XT, XT Limited | 2.5L H4, 2.5L H4 DOHC Turbo, 2.5L H4 SOHC, 2.5L H4 Turbo
- Impreza | 2005-2010 | 2.5 GT, 2.5i, 25i, Outback, Outback Sport, RS, WRX, WRX Sport | 2.5L H4, 2.5L H4 Turbo
- Impreza STI | 2005-2010 | 2.5 GT, 2.5i, 25i, Outback, Outback Sport, RS, WRX, WRX Sport | 2.5L H4, 2.5L H4 Turbo
- Impreza WRX | 2005-2010 | 2.5 GT, 2.5i, 25i, Outback, Outback Sport, RS, WRX, WRX Sport | 2.5L H4, 2.5L H4 Turbo
- Legacy | 2005-2014 | 2.5i, 2.5i Base, 2.5i Limited, 3.0R, 3.0R LL-Bean, 3.0R Limited, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring, Base, GT Limited, XT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6, 3.6L H6
- Outback | 2005-2014 | 2.5i, 2.5i Base, 2.5i Limited, 3.0R, 3.0R LL-Bean, 3.0R Limited, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring, Base, GT Limited, XT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6, 3.6L H6
- Tribeca | 2008-2014 | 5ST, Base | 3.6L H6
- WRX | 2015-2020 | Base, Limited, Premium | 2.0L H4
- WRX STI | 2015-2020 | Base, Limited, Premium | 2.0L H4
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Subaru Speed Sensor
Part Number: 85082AE000
$88.37 MSRP: $128.07
You Save: $39.70 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Speed Sensor Assembly; Speedometer Sensor
Fits the following Subaru Models:
- Forester | 1999-2008 | Base, Forester Sports, L, L.L.Bean, S, X, XS, XT | 2.5L H4, 2.5L H4 SOHC, 2.5L H4 Turbo
- Impreza | 1999-2007 | 25i, Brighton, L, Outback, Outback Sport, RS, STI, STI Limited, TS, WRX, WRX TR | 2.0L H4 Turbo, 2.2L H4 Series, 2.5L H4, 2.5L H4 SOHC, 2.5L H4 Turbo
- Impreza STI | 2004-2007 | 25i, Outback, Outback Sport, RS, STI, STI Limited, TS, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
- Impreza WRX | 2002-2007 | 25i, Outback, Outback Sport, RS, STI, STI Limited, TS, WRX, WRX TR | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo
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Subaru Sensor Sub Assembly Ft RH
Part Number: 27540VA000
$158.70 MSRP: $232.02
You Save: $73.32 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Front Right; ABS Sensor, Front Speed Sensor
- Position: Front,Passenger Side
- Replaced by: 27540VA001
Fits the following Subaru Models:
- WRX | 2015-2020 | Base, Limited, Premium, S209, Type RA | 2.0L H4, 2.5L H4 Turbo
- WRX STI | 2015-2020 | Base, Limited, Premium, S209, Type RA | 2.0L H4, 2.5L H4 Turbo
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Subaru Sensor Assembly Revolution At
Part Number: 31937KA060
$70.99 MSRP: $102.88
You Save: $31.89 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Revolution,At
Fits the following Subaru Models:
- Ascent | 2019-2021 | Base, Limited, Premium, Touring
- Crosstrek | 2016-2019 | Base, Limited, Premium | 2.0L H4
- Forester | 2014-2021 | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, Base, Limited, Premium, Sport, Touring | 2.0L H4, 2.5L H4
- Impreza | 2012-2021 | Base, Limited, Premium, Sport, Sport Limited
- Legacy | 2010-2021 | 2.4R F/R-O, 2.4R Limited, 2.4R Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 2.4L H4 DIT, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 3.6L H6
- Outback | 2010-2021 | 2.4R F/R-O, 2.4R Limited, 2.4R Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 2.5i Touring, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring | 2.4L H4 DIT, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 3.6L H6
- WRX | 2015-2020 | Base, Limited, Premium | 2.0L H4
- WRX STI | 2015-2020 | Base, Limited, Premium | 2.0L H4
- XV Crosstrek | 2013-2015 | Base, Limited, Premium | 2.0L H4
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Subaru Sensor Assembly Abs Rear RH
Part Number: 27540SA000
$161.60 MSRP: $236.25
You Save: $74.65 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor Assembly-Rear Right; ABS Sensor, Rear Speed Sensor
- Position: Rear,Passenger Side
Fits the following Subaru Models:
- Forester | 2003-2008 | Forester Sports, L.L.Bean, X, XS, XT | 2.5L H4, 2.5L H4 Turbo
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Subaru Sensor Sub Assembly Ft RH
Part Number: 27540SG000
$137.66 MSRP: $201.25
You Save: $63.59 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Front Right; ABS Sensor, Front Speed Sensor
- Position: Front,Passenger Side
Fits the following Subaru Models:
- Crosstrek | 2016-2017 | Base, Limited, Premium | 2.0L H4, 2.0L H4 Hybrid
- Forester | 2014-2018 | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring | 2.0L H4, 2.5L H4
- Impreza | 2013-2016 | Base, Limited, Premium, Sport, Sport Limited
- XV Crosstrek | 2013-2015 | Base, Limited, Premium | 2.0L H4, 2.0L H4 Hybrid
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Subaru Sensor Sub Assembly Ft LH
Part Number: 27540AG11A
$59.78 MSRP: $86.63
You Save: $26.85 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Front Left
- Position: Front,Driver Side
- Replaced by: 27540AG11B
Fits the following Subaru Models:
- Legacy | 2007-2009 | 2.5i, 2.5i Base, 2.5i Limited, 3.0R, 3.0R Limited, 3.0R LL-Bean, Base, GT, GT Limited, XT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6
- Outback | 2007-2009 | 2.5i, 2.5i Base, 2.5i Limited, 3.0R, 3.0R Limited, 3.0R LL-Bean, Base, GT, GT Limited, XT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6
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Subaru Sensor Sub Assembly Ft
Part Number: 27540XA00A
$45.85 MSRP: $66.45
You Save: $20.60 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Abs,Front; ABS Sensor, Front Speed Sensor
- Position: Front
Fits the following Subaru Models:
- Tribeca | 2006-2014 | 5ST, 5ST-E, 5ST-M, Base, Base-E(7ST), Base-M(7ST) | 3.0L H6, 3.6L H6
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Subaru Sensor Sub Assembly Ft LH
Part Number: 27540SG011
$137.66 MSRP: $201.25
You Save: $63.59 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Front Left; ABS Sensor, Front Speed Sensor
- Position: Front,Driver Side
Fits the following Subaru Models:
- Crosstrek | 2016-2017 | Base, Limited, Premium | 2.0L H4, 2.0L H4 Hybrid
- Forester | 2014-2018 | 2.0XT Premium, 2.0XT Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring | 2.0L H4, 2.5L H4
- Impreza | 2013-2016 | Base, Limited, Premium, Sport, Sport Limited
- XV Crosstrek | 2013-2015 | Base, Limited, Premium | 2.0L H4, 2.0L H4 Hybrid
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Subaru Sensor Sub Assembly Rear RH
Part Number: 27540AG04A
$63.35 MSRP: $91.82
You Save: $28.47 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Rear Right
- Position: Rear,Passenger Side
- Replaced by: 27540AG04B
Fits the following Subaru Models:
- Legacy | 2005-2006 | 2.5i, 2.5i Limited, 3.0R, 3.0R Limited, 3.0R LL-Bean, GT, GT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6
- Outback | 2005-2006 | 2.5i, 2.5i Limited, 3.0R, 3.0R Limited, 3.0R LL-Bean, GT, GT Limited | 2.5L H4, 2.5L H4 Turbo, 3.0L H6
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Subaru Sensor And Harness Assembly Tra
Part Number: 24030AA210
$336.48 MSRP: $496.28
You Save: $159.80 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor And Harness Assembly Transmission; Vehicle Speed Sensor
Fits the following Subaru Models:
- Legacy | 2008-2014 | 3.0R, 3.0R Limited, 3.0R LL-Bean, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring, GT Limited, XT Limited | 2.5L H4 Turbo, 3.0L H6, 3.6L H6
- Outback | 2008-2014 | 3.0R, 3.0R Limited, 3.0R LL-Bean, 3.6R, 3.6R Limited, 3.6R Premium, 3.6R Touring, GT Limited, XT Limited | 2.5L H4 Turbo, 3.0L H6, 3.6L H6
- Tribeca | 2008-2014 | 5ST, Base | 3.6L H6
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Subaru Sensor Assembly Front Right
Part Number: 27540FL021
$94.78 MSRP: $137.37
You Save: $42.59 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Ay Front Right
- Position: Front,Passenger Side
- Replaced by: 27540FL022
Fits the following Subaru Models:
- Crosstrek | 2018-2021 | Base, Limited, Premium, Sport | 2.0L H4, 2.0L H4 Hybrid, 2.5L H4
- Forester | 2019-2021 | Base, Limited, Premium, Sport, Touring
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Subaru Sensor Assembly Front Left
Part Number: 27540FL031
$94.78 MSRP: $137.37
You Save: $42.59 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Ay Front Left
- Position: Front,Driver Side
- Replaced by: 27540FL032
Fits the following Subaru Models:
- Crosstrek | 2018-2021 | Base, Limited, Premium, Sport | 2.0L H4, 2.0L H4 Hybrid, 2.5L H4
- Forester | 2019-2021 | Base, Limited, Premium, Sport, Touring
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Subaru Sen Sub Ay Ft RH
Part Number: 27540AN02A
$28.98 MSRP: $42.00
You Save: $13.02 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Position: Front,Passenger Side
Fits the following Subaru Models:
- Legacy | 2020-2021 | 2.4R F/R-O, 2.4R Limited, 2.4R Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring | 2.4L H4 DIT, 2.5L H4 DI
- Outback | 2020-2021 | 2.4R F/R-O, 2.4R Limited, 2.4R Touring, 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring | 2.4L H4 DIT, 2.5L H4 DI
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Subaru Sensor Assembly Rear Right
Part Number: 27540FL101
$112.08 MSRP: $162.43
You Save: $50.35 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Ay Rear Right
- Position: Rear,Passenger Side
- Replaced by: 27540FL102
Fits the following Subaru Models:
- Crosstrek | 2018-2021 | Base, Limited, Premium, Sport | 2.0L H4, 2.0L H4 Hybrid, 2.5L H4
- Forester | 2019-2021 | Base, Limited, Premium, Sport, Touring
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Subaru Sensor Assembly Rear Right
Part Number: 27540AL12A
$45.83 MSRP: $66.42
You Save: $20.59 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Rear Right
- Position: Rear,Passenger Side
- Replaced by: 27540AL12C
Fits the following Subaru Models:
- Legacy | 2016-2018 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, 3.6R Limited, 3.6R Premium, 3.6R Touring | 2.5L H4, 3.6L H6
- Outback | 2016-2018 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Touring, 3.6R Limited, 3.6R Premium, 3.6R Touring | 2.5L H4, 3.6L H6
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Subaru Sen Sub Ay Rr RH
Part Number: 27540AL08C
$27.35 MSRP: $39.63
You Save: $12.28 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Position: Rear,Passenger Side
- Replaces: 27540AL08A, 27540AL08B
Fits the following Subaru Models:
- Legacy | 2015-2019 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 3.6R, 3.6R Limited, 3.6R Premium | 2.5L H4, 3.6L H6
- Outback | 2015-2019 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 3.6R, 3.6R Limited, 3.6R Premium | 2.5L H4, 3.6L H6
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Subaru Sen Sub Ay Rr LH
Part Number: 27540AL09C
$27.35 MSRP: $39.63
You Save: $12.28 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Position: Rear,Driver Side
- Replaces: 27540AL09A, 27540AL09B
Fits the following Subaru Models:
- Legacy | 2015-2019 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 3.6R, 3.6R Limited, 3.6R Premium | 2.5L H4, 3.6L H6
- Outback | 2015-2019 | 2.5i, 2.5i Limited, 2.5i Premium, 2.5i Sport, 3.6R, 3.6R Limited, 3.6R Premium | 2.5L H4, 3.6L H6
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Subaru Sensor Assembly Abs Rear RH
Part Number: 27540FG030
$177.41 MSRP: $259.37
You Save: $81.96 (32%)
Product Specifications
- Other Name: Sensor Assembly-Rear Right; ABS Sensor, Rear Speed Sensor
- Position: Rear,Passenger Side
- Replaces: 27540FG000, 27540FG031
Fits the following Subaru Models:
- Impreza | 2008-2011 | 2.5 GT, 2.5i, Outback Sport, STI, STI Special Edition, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
- Impreza STI | 2008-2014 | 2.5 GT, 2.5i, Outback Sport, STI, STI Special Edition, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
- Impreza WRX | 2008-2014 | 2.5 GT, 2.5i, Outback Sport, STI, STI Special Edition, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Sensor Harness Assembly Trans
Part Number: 24030AA100
$351.77 MSRP: $518.83
You Save: $167.06 (33%)
Product Specifications
- Other Name: Sensor And Harness Assembly Transmission
Fits the following Subaru Models:
- Baja | 2003-2006 | Baja, Baja-S, Base, Brighton, Cold Weather, Flat6, Flat6 L.L.Bean, Flat6-S, L, Limited, L-S, SUS Flat6, SUS Limited | 2.5L H4, 3.0L H6
- Forester | 2003-2004 | X, XS | 2.5L H4
- Impreza | 2003-2005 | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
- Impreza STI | 2004-2005 | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
- Impreza WRX | 2003-2005 | Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.5L H4
- Legacy | 2003-2004 | Baja, Baja-S, Base, Brighton, Cold Weather, Flat6, Flat6 L.L.Bean, Flat6-S, L, Limited, L-S, SUS Flat6, SUS Limited | 2.5L H4, 3.0L H6
- Outback | 2003-2004 | Baja, Baja-S, Base, Brighton, Cold Weather, Flat6, Flat6 L.L.Bean, Flat6-S, L, Limited, L-S, SUS Flat6, SUS Limited | 2.5L H4, 3.0L H6
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Subaru Speed Sensor

Speed sensor, as its name implies, reads how fast you drive or how fast the wheel rotates. The speed sensor is helpful to maintain stability by means of telling the computer when you release pressure to a wheel when you are using ABS. Here are some symptoms telling your speed sensor is wrong: if your odometer doesn't work; if your speedometer doesn't work or works erratically; if the cruise control doesn't work correctly; if a loss of transmission shifts respond; if your Subaru idles in a wrong way; if your Subaru rumbles; if your Subaru suddenly loses power; if the fuel economy decreases; if the Check Engine Light is on, there is a possibility that your speed sensor is failing. Welcome to our website to finish your easy-shopping experience. All we offer you is Subaru genuine speed sensor with a surprising cheap price.

Subaru Speed Sensor Parts Questions & Experts Answers

Speed Sensor
85082AE000
Q: What are the functions, components, and troubleshooting steps for the Anti-lock Brake System (ABS) and Speed Sensor on Subaru Forester?
A:
ABS and VDC systems have been developed to enable the vehicle to be steered, stabilized directionally and decelerated at an optimum level when experiencing heavy braking or violent manoeuvring on road surfaces. The Anti-lock Brake System (ABS) system is designed in such a way that it prevents wheel lockup during heavy brake application by monitoring the rotational speed of each wheel and controlling brake line pressure. ABS wheel speed sensors supply data to VDC system which are used for traction control, over/under-steering as well as acceleration control. An Electronic Control Unit (ECU), four-wheel speed sensors, and a hydraulic unit make up the ABS system whereas an ECU, yaw rate sensor, lateral sensor and steering angle sensor are what form part of the VDC system. When there is a problem with the ABS/VDC system, a warning light will illuminate on the dashboard. Some things to check may include inspecting brake fluid levels, testing electrical connections for firmness, examining hydraulic control unit among others; these checks should also include looking into fuses as well as investigating all wiring connections to see if they are secure and free from damage. If this does not work then you will need to find a competent mechanic or technician who can diagnose and fix your car. To remove a wheel speed sensor first loosen its lug nuts before raising the vehicle onto jackstands turning off ignition key tracing down & disconnecting its wires removing mounting bolt pulling out carefully placing back mount bolt tightening up putting back tire & ensuring securing lugs nuts tightly installed in order.