ABS and Traction Control failure with check engine and steering lights additionally illuminated

PRE-DIAGNOSTIC INSPECTIONBefore diagnosing ABS/TCS, perform a comprehensive visual inspection of system as follows.Check ABS/TCS wiring harness connectors for looseness. Check harness routing; pay particular attention to wheel speed sensor wiring harness routing. Check fuses No. 1D, 5B and 6B in instrument panel fuse block. Check fuses No. 1 and 2 in underhood fuse block. Check brake fluid level in master cylinder reservoir. Check brake fluid level in Pressure Modulator Valve (PMV) assembly reservoir. Ensure parking brake is fully released. Ensure parking brake switch is functioning properly. Always perform ABS/TCS system functional check before using DIAGNOSTIC CODE CHARTSThe EBCM/EBTCM has self-diagnostic capability, which can detect system failures. Fault codes stored by EBCM/EBTCM can be displayed using Tech 1 scan tester. There are no provisions for flash code diagnostics.Begin ABS/TCS diagnosis with PRE-DIAGNOSTIC INSPECTION procedure. If failures are found during pre-diagnostic inspection, perform necessary repairs, and proceed with ABS/TCS FUNCTIONAL CHECK. See Fig. 5 .If no failures are found during pre-diagnostic inspection, go to ABS/TCS FUNCTIONAL CHECK. See Fig. 5 . The ABS/TCS FUNCTIONAL CHECK will either indicate ABS/TCS is functioning properly or direct technician to various diagnostic procedures such as diagnostic charts, symptom diagnosis or BRAKE warning light diagnosis.CHART D - TRACTION OFF WARNING LIGHT ON CONTINUOUSLY & NO DTC SET (BUICK WITH UH8 OR U2A INSTRUMENT CLUSTER)Circuit DescriptionWhen ignition switch is first turned to RUN position, EBTCM goes through a self-test, which lasts 2-4 seconds. During self-test, EBTCM commands TRACTION OFF indicator warning light on. Powertrain Control Module (PCM) can also command EBTCM to set a Code 75 which will illuminate TRACTION OFF indicator.Traction control switch is located either on instrument panel center trim plate or driver's front door trim panel. Switch allows driver to select traction control mode (on/off). When traction control system is turned off, TRACTION OFF warning light comes on.EBTCM monitors transaxle temperature through

this dealer is a joke abs maybe faulty sensor traction control try check the fuse on the fuse box if is blow replace if nothing happens needs a computer diagnostic

check the body control module under the dash

Hi I have a 2003 Toyota Avalon xls so, lol I do front wheel burn out how? I put water on the front right tire pull the E brake, turn off traction control by pressing the TRAC OFF button under the steering wheel panel now the TRAC OFF button is not working or showing on the dash so abs/traction contrition is on at all times how can I fix it or disable traction control with out the button?

if you have a code reader available,reset trouble codes,if that doesn't work you probably need to have it checked out.they may have dis lodged a sensor when they changed the tires.unless you radically changed tire size it shouldn't be the tires

it is from a bad wheel speed sensor.The abs, traction control and other systems use the sensor.the various codes are for various system failures.The root cause is the sensor.

i believe the button is located near shifter.

yes all auroras are fairly loaded vehicles that come with 4 wheel abs standard with traction control.

bulb check with key on should illuminate all bulbs.

high speed vibration likely caused by your tires/ tire wear could be cause by alignment -have it checked. while checking alignment they will check steering and suspension compononts and rec any repairs needed.
idle vibration may be normal depending how severe due to age of engine mounts.

my experience with auroras is that they are very high tech high optioned which leads to a chance of falure more often due to more systems. however my opinion is they are VERY nice rides and i think you will enjoy it. keep in mind vehicle is 9 yrs old and expect some expense

make sure u didnt break a wire, there are sensors on the brakes, make sure theyre plugged in

rubbish
the abs sensors stopped wheels not fast spinning wheels
when there is no signal from the rotor the abs kicks in and releases he brake pressure to that wheel/s allowing them to turn to give the driver steering control
as the abs and traction control use the same wheel sensor , the traction could detect a fast spinning wheel and take action to control it
you have upgraded the final drive ration to 4.56 from standard which will be 3 point something which will make the engine rev higher to get the same speed
and that could be where the problem is coming from as there is a connection between the engine rpms and the road speed and the preset parameters may be not reading the new settings from the new diff ratio
putting on the lights and dropping power

The traction control system is controlled through the Anti-lock brake system. The way it works is if one of your wheels starts spinning the ABS applys the brake to that wheel to transfer power to the oppsite wheel that is getting traction. If your ABS is bad then your Traction control won't work. To check it I would find a parking lot on a wet day. In an open space mash in the gas. if you hear the ABS system kick in and you don't squall the tires then your good. My guess is you won't. What I would be worried about is will my ABS work. When checking the traction control is a good time to check the ABS. Acclerate to around 15 mph, then mash the brake as your live depended on it. If you hear a motor run and feel a vibration or grind in the brake peddal, then it works.