Question about 2005 Buick LaCrosse

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The warning lights for service variable steering, service brake &abs system, & service traction system are coming on what does this mean

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Could be # 1,bad bearing sensors,change hub bearings. #2,broken wire from the sensor,pull wire if is broken. #3,bad ABS module,it is EXPENSIVE.CAN FIX TOO.

Posted on Jul 27, 2015

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Posted on Jan 02, 2017

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1 Answer

ABS and Traction Control alert light stays on


Today, most new vehicles come with either an ABS or a traction control system. A problem in the ABS or traction control system is usually indicated by a warning light. When the ABS warning light is on, it means that the ABS has been shut down because of a mechanical or electrical failure.

Jun 13, 2018 | Cars & Trucks

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CodeC0550 on 2009 chevy hhr what does it mean? Light Service Traction And Serice ECS ??


DTC C0550 00: EEPROM Checksum Mismatch . Your best bet , take your vehicle to a qualified repair shop.
Circuit/System Description
When the ignition is turned ON, the microprocessor runs a diagnostic program to detect an internal fault when power up is commanded. If an internal malfunction is detected, the control module will store a DTC C0550 in its memory.

Action Taken When the DTC Sets
If equipped, the following module specific actions may occur:
• The antilock brake system (ABS) indicator turns ON.
• The BRAKE warning indicator turns ON.
• The electronic brake control module (EBCM) disables the ABS/dynamic rear proportion (DRP)/traction control system (TCS).
• The driver information center (DIC) displays the power steering warning message No Steering Assist.
• The TCS indicator turns ON.

Apr 17, 2018 | Cars & Trucks

1 Answer

The Brake warning light comes on. I checked the brake fluid level in master cylinder & it was okay. The fluid looked dirty. Please help


Sharon, Check to make sure emergency brake is not on and fully released, try not to drive your vehicle if the red brake warning light is on. Could have air in the system from a small crack in brake line, faulty master cylinder, faulty caliper etc. Have a good tech. check braking system, diagnose and estimate repair.
Brake Warning Light
Brake Hydraulic System Red Warning Light
What do the brake warning lights mean in my car HowStuffWorks

Aug 18, 2016 | Cars & Trucks

1 Answer

What does it mean when my anti-lock brake light comes on and the low traction light comes on and shuts off?


You need to have the ABS system scanned. You probably have a bad wheel speed sensor. most likely located in one of the hub bearings meaning; you may have to replace a hub wheel bearing assy with the faulty sensor. Traction control uses the same speed sensors as ABS. when the warning lights are on the system is not working.

Jan 21, 2016 | 1995 Chevrolet Lumina

1 Answer

Service variable effort steering on 04 Pontiac gp


Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS, TPMS, MIL, CEL and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Legend of Abbreviations. ABS Anti-lock brake system. TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module. TPMS Tire Pressure Monitor System, MIL Malfunction Indicator Lamp, CEL Check Engine Light.

Nov 11, 2012 | Cars & Trucks

1 Answer

I had the ABS light come on along with the service traction control. I had it checked at a GM dealer and was told that the right hub needed to be replaced. I OK'd the work thinking it would take care of...


Hi,the traction control light coming up means there is a fault detected in the system and a scan tool will be required to learn what fault has been detected. Possible steering angle sensor, wheel speed sensor or brake pressure sensor since the light comes up when making turns or when backing up. Faults are to be checked and proper diagnostic procedures carried out before parts replacement remedies.....

Oct 24, 2010 | 2002 Oldsmobile Silhouette

1 Answer

Left the keys in the ignition adn had AAA jump it. Now the T/C with a slash through it came on and the light that says low engine power. The car starts really rough and has no power when u drive it. WHats...


T/C light = Traction Control

Could be something going on with a wheel speed sensor. You'll have to have the ABS/TCS controller scanned for any stored trouble codes to see why the controller is turning on the light. The code(s) might help you to determine what part of the system is faulting. You'll have to take it to a shop that has a high end scan tool.

If the TC light is on, chances are there is a trouble code set and stored in the computer. You need to determine what the code is. If you take the car to a nationally recognized parts store, most will scan the computer for free, so there is no money out of pocket for you.


Actron also makes a ABS code checker called BrakeScan. Don't know how good it is, but it might be good for a DIY person.

TC Explanation:

If your vehicle is equipped with the Enhanced Traction System (ETS), this warning light should come on briefly as you start the engine. If the warning light does not come on, then have it fixed so it will be ready to warn you if there is a problem.
If the warning light stays on, or comes on when you are driving, there may be a problem with your Enhanced Traction System and your vehicle may need service. When this warning light is on, the system will not limit wheel spin. Adjust your driving accordingly.
The Enhanced Traction System warning light may come on for the following reasons:
If you turn the system off by moving the shift lever to FIRST (1), the warning light will come on and stay on. To turn the system back on, move the shift lever back to a position other than FIRST (1). The warning light should go off. The warning light will come on when you set your parking brake with the engine running, and it will stay on if your parking brake does not release fully. If the transaxle shift lever is in any position other than FIRST (1) and the warning light stays on after your parking brake is fully released, it means there is a problem with the system. If the traction control system is affected by an engine-related problem, the system will turn off and the warning light will come on. If the Enhanced Traction System warning light comes on and stays on for an extended period of time when the transaxle shift lever is in any position other than FIRST (1), your vehicle needs service.


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Oct 09, 2010 | 2006 Chevrolet Cobalt

1 Answer

Service variable effort steering warning is coming on.what do i do to service it? 2004 gtp


i have an ABS, Traction Control, and Variable Steering warning lights come on right after i put the car in drive and move forward.
2005 Pontiac Grand Prix

Aug 15, 2009 | 2004 Pontiac Grand Prix

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