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The TCS (traction control system) will stay lit only if there was a malfunction of that system. TCS helps your tires maintain traction on slippery wet or icy roads. The malfunction is usually due to damaged or malfunctioning wheel speed sensors due to corrosion or damage of the sensor wire harness during suspension repairs or brake pad replacement. You can still drive the car, but the traction control system will not help you if your vehicle's tire slips or spins faster than the other.
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 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, SRS
and BCM faults) 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)
of Abbreviations. ABS Antilock brake system.TCS Traction control
system, SRS Supplemental restraint system, BCM Body control module
Only a guess. Traction control system and ABS braking are tied in together so maybe something was disturb when rear brakes were replaced. Make sure your brake fluid is not low otherwise Honda may have to have a look. Also, If I'm not mistaken, there is a timing chain on the 4 cyl and a belt on the 6 cyl. The chain usually does not need to be replaced.
the TCS is traction control system and the ABS is anti-lock brake system, best guess is that you have a bad wheel speed sensor, you can drive it but if you get in a spot were you need eithersystem like ice or snow as long as the lights are on the systems will not work, but it will not hurt anything the car just wont be as good as it could be on slick pavement.
I have a 1998 Range Rover
HSE. The ABS, TC amd Brake light stay on and now I have noticed that it
is becoming harder and harder to stop. It literally feels like I dont
have any brakes at all. I have to pretty much push the brake petal all
the eay down in order to get it to stop. I had the pads and rotors about
6 months ago and I don't know what to do! Help please
abs=anti-lock brake system/ tcs=traction control system ==sounds like you have a problem with ur abs possible bad sensor or a wiring connection problem when abs shuts down [trouble light] your brakes will work normal but if u stomp or brake hard the brakes will lock up skid and the tcs doesnt affect brakes but if u accelerate hard tires will spin lose traction check the wiring and connections to the sensors sometimes debris hits the wire and loosens the connection if looks ok and light is on have car scanned for the trouble code most auto stores such as auto zone/advanced auto offer this service for free the code will what and where the problem is so repair can be made