Question about 2006 Subaru B9 Tribeca

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Check engine cruise control traction

Took my vehicle in for cosmetic repairs from an accident with a deer from a year prior with no mechanical problems and car well maintained. Repairs were passenger side inner and outer fender, headlight, grill, and bumper. After picking the car up from the repair shop and driving it only 2 miles the check engine light, traction control, and cruise lights all came on. Tooke the vehicle back to the repair shop after driving it to the next exit and back at highway speeds with no loss of power or any engine problems. Repair shop ran the codes and said it came back as an intake valve. The timing of the problem is rather odd and I was wondering if the problem could be (1)a painted over ground wire,(2) problem with a wire inside the fender they repaired, (3)the intake valve even though the engine seems to run fine?

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Posted on Jan 02, 2017

  • 324 Answers

SOURCE: We were driving on the interstate about 70 mph

I have owned five Subarus and this is a problem I that have never seen before. When your TCS light comes on, it disables cruise control, so that part should not worry you.

Since your TCS and check engine light came on together, I suspect the "problem" was with the transmission. It sounds like a one-time "fluke".

You can go to any good auto parts store and ask to borrow their ECM analyzer.... it is a "box" that wil talk to your Tribeca's computer and let you know exactly what the problem is. You connect it to the jack by the drivers side left knee, then turn the key on (but do not start). Follow the directions on the screen and it will give you a readout of what problems it sees.

Copy down the displayed information in case you need it.... The code number(s) and description(s) can be very helpful.

Follow the on-screen instructions and clear (erase) the problems. Turn off your car, disconnect the box, and after you return it drive home and see if the lights come back. You may have had a "freak" occurance, and that is what I am hoping happened... you hit a pothole or bump just right and the computer lost its mind for just a second....

If it gives you any peace of mind.... the 3.0 H-6 Subaru engine is the absolutely most solid, best performing engine I have ever experienced in a car.. Mine was a 2001 LL Bean Limited and I LOVED IT! My big mistake was giving it to one of my children.... but that story is best left to a blog and not this forum!!!

Good Luck!

VA

Posted on Feb 12, 2011

johnjnail
  • 1702 Answers

SOURCE: check engine light on, traction

there is a lot of questions here so i will start with the codes P0028 & P0026 both are verable valve timing codes first we should talk about how this system works, the engine is equiped with veriable valve lift units that when oil is pushed into the units they push on the camshaft, basicaly they roll the shafts in there saddles witch changes the lift and duration of the camshaft this is done to maxamise the performance of the engine, basickly alowes the engine to be tuned down at low RPM and load but when there is a demand for power the cames are advanced to give the engine more power. when we see these codes the mose common problem is the engine has not been serviced reguarly and their is gunk built up in the oil passages to the veriable valve units, most of the time changing the oil and adding some addative like marvel mistery oil will fix the problem, if not then you may have to replace the veriable valve lift units.

the skip under load might be the verable valve units advanceing one cam and not the other, this would cause a surge and maybe an engine miss fire, but i would change the spark plugs as will as the oil ( it never hurts to replace the plugs ) but make sure to use what the factory used don't chepen it up spend the few extra dollers to get the right plugs.

the check engine light is the verable valve units.

now the flashing cruse and the TCL these are most likely related, and you should be able to get a code from the BCM that will leed you down the right path, but best guess is a speed sensor is not working, all 4 wheel have to be within 1% of each other or the cruse will not work, and the TC wont work and probly the ABS.

its a lot of info but i hope this helps.

Posted on Mar 12, 2011

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The vtm4 light went on( I think by itself ) will not disengage the malfunction light is also on now air & heat works one day then dont work for a day or two how do I unlock the switch ?


Honda Guy had this to say;
When operating normally your VTM-4 light means the vehicle is in traction control mode. HOWEVER, if the light just came on when you were driving it is an indication that you have a problem with the engine that is causing the VTM system to think the vehicle is in traction control mode because of a loss of engine power or misfire.

Here's how that happens: on a Honda, the way the vehicle restores traction is by reducing engine power to the point where the wheels don't spin as fast and thereby restores traction to a slipping wheel (slipping wheels spin faster than the other wheels). Conversely, when there is a reduction in engine power that is abnormal, the VTM system "thinks" that the engine power is being reduced to restore traction and it triggers the light.

In almost all cases, the light is being triggered by an idle speed control valve malfunction or in some cases by an EGR valve malfunction. It may or may not turn on the check engine light. This problem was fairly common on Pilots in 2004 and 2005 but certainly isn't limited to just those years.

Take the car to a Honda dealer or to a mechanic and have them check for stored codes in your powertrain control module. I think you're going to find that there is a code for an idle speed control valve malfunction or an EGR valve malfunction. The idle speed control valve is warranted for 8 years or 80,000 miles; the EGR for 3 years or 50,000 miles. Your Pilot is probably still in warranty and if so the repairs would be made at no charge

hope that helps
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BMW first implemented "drive by wire" in very limited quantities on the most expensive & sophistocated BMW models starting in 1988.

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Read more: http://wiki.answers.com/Q/What_does_eml_warning_light_on_a_bmw_mean#ixzz1OnBNssKH

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The traction control light will need to be diagnosed using a scan tool. There will be a code stored in the module. Once you know what code is present you will be able to start finding solutions. I assume that the ABS light or the check engine light is not on. If either of these is on it will disable the traction control and illuminate the light.

The brake pulsation sounds like warped rotors. It is pretty common. You said you changed brakes but didn't mention if you had replaced the rotors. Sometimes the rotors can be turned if they are thick enough making them true. If they are not thick enough new rotors will need to be installed. I would recommend having the new rotors turned before installing them.

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www.modulemasters.com

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PS: You can still drive the car ( carefully ) while you wait for the rebuilt unit to be returned.

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