My traction control fault came on display , then said reduced power, rpms wont go over 2000, and would not go away. I turned car on and off 1- times and still no changes, FInally i removed battery cable and then it went away. Is this something to worry about , and if so can i disable this feature .
The problem with most newer vehicles is that many functions are controlled by computer modules which are prone to malfunction when spikes occur in the electrical system. Often this is a temporary condition and the computers can be reset by disconnecting the negative battery cable for a few minutes and then reconnecting it.
However, if the problem is persistent or keeps occurring, the faulting module (in your case the TC module) will need to be replaced. Most GM vehicles have a button in the vehicle that will disable the system (see the owners manual), but if one is not is available or is not working properly, check out https://www.youtube.com/watch?v=TUoV2ue7amY.
SOURCE: 2004 GMC Yukon XL Reduced Eng power
it sounds like it could be your pcm power control module. only because there are so many different lights coming on at once. or and this may sound stupid but check under the drivers seat. there is a ontrol box there. push the connector and make sure its connected... Believe it or not.. when the seat moves it can tug on the cable. It did on mine and I lost the fuel pump and the fuel guage. I also lost traction control. I had the pump replaced and of course it worked when i drove it out of the dealer only to stop 2 days later... By chance i came accross a web page.. I cant find it now. and a guy had the same problem and it took 4 weeks for the dealer to find out it was under the seat. I check mine frequently and have not had a problem since... lucky for me the fuel pump was under warrenty.
SOURCE: 2000 GMC Jimmy will not start
You'll have to check the charging system, fuel system, or perhaps maybe a relay switch that may control the fuel because those including the fuel filter usually go out before a fuel pump is replaced. And also check the alternator and battery. Hope you fix it.
SOURCE: Our 2004 GMC canyon will not start from time to time.
sell the truck and get one that does not have the security system that locks out the engine starting. I wish I could but I can't for a year or so.
SOURCE: 2000 gmc sierra 1500 5.3 v8. a/c heater control problem
your heat/cool and vent selection options are controlled by engine vacuum through small clear tubes attached to the rear of your climate control interface. Other vehicles have small steel pull wires that operate the desired changes. You might try removing the trim and any fasteners affiliated with the interface/console. GENTLY pull outward and look to see if any of these tubes are pulled off or cut/damaged. Did anyone recently install a new stereo in the vehicle? If so, the vacuum tubing and or pull wires that change your outlets could have been damaged when the stereo unit was pushed into place. Hope this helps
Testimonial: "Very good information. THANKS!"
SOURCE: 03 Yukon Denali Traction Control/ ABS Problems
my 2000 yukon has the traction control light on and the abs light on any anwsers?
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The IPC detects a loss of serial data communication with the EBCM
Traction Control System (TCS)
When drive wheel slip is noted while the brake is not applied, the EBCM will enter traction control mode.
The EBCM uses a 5-volt pulse-width modulated (PWM) signal to request the PCM to reduce the amount of torque to the drive wheels. The PCM reduces torque to the drive wheels by retarding spark timing and by commanding the throttle actuator control. The PCM uses a 5-volt PWM signal in order to report to the EBCM the amount of torque delivered to the drive wheels.
You would need a factory grade scan tool to check data PID's - parameter identification , all the sensors work within a specific voltage range 1- 5 volts an you can see this on a good scan tool !
The Traction control is part of the ABS system an there a several DTC possible
DTC B0827 DTC B0828 DTC B2745 DTC C0035 DTC C0035 or C0040 DTC C0040 DTC C0055 DTC C0110 DTC C0191 DTC C0201 DTC C0220-C0229 DTC C0240 or P0856 DTC C0244 or P1689 DTC C0245 DTC C0267 or C0268 and C067 or C068 DTC C0550 DTC C0899 DTC C0900
You best bet is to take it to a qualified repair shop !
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