FOUR WHEEL DRIVE TRANSMISSION SELF SELECTING

Tiny
ROBMAR1
  • MEMBER
  • 2006 HYUNDAI TERRACAN
  • 2.9L
  • 4 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
In recent times I find that the 4x4 lights (both) on the dash come on of their own accord and the RPM's are raised. Then the lights will go off and the RPM's drop. Today I have had the problem checked by a mechanic and he believes the problem is not mechanical but rather, it is electrical. About 12 months ago this happened and Hyundai dealer removed the 4x4 selector box and 'serviced' it and problem went away until recently. At the time Hyundai had no idea of what the problem was. DOES ANYONE OUT THERE KNOW WHAT THE PROBLEM IS?
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Tuesday, December 3rd, 2013 AT 5:44 PM

9 Replies

Tiny
DI2DARRYL
  • MEMBER
Hi Robar1 I have just started having a similar problem, and would really appreciate any feedback you can give me before I start laying out hundreds of dollars for Hyundai mechanics to doodle with it multiple times before getting a result.
Cheers di2darryl (I have signed up)
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Wednesday, December 4th, 2013 AT 12:56 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
I have some questions for you. First, yes it does sound like an electrical issue. Do you have the electric shift 4wd? Next, does the transfer case actually go into 4wd or is it just the light coming on?
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Wednesday, December 4th, 2013 AT 8:33 AM
Tiny
ROBMAR1
  • MEMBER
Di2darryl
Yes, I will post any possible solutions to our problem that I may receive

Jacobandnickolas
The 4wd system I have is electric with a turn button on the console. Yesterday I have mechanic check it out and after having the vehicle on the hoist, he discovered that the vehicle does not actually go into 4wd. The dash lights come on, that is both 4L and 4H and the RPM's increase. The RPM increase my mechanic believes is caused by the system taking it our of overdrive and hence an increase.
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Wednesday, December 4th, 2013 AT 1:52 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
It sounds like a problem with the switch on the transfer case that indicates when it is in 4wd. As far as the increased RPM, I believe it automatically does that when the computer thinks it is in 4wd due to the added load on the engine. Has the switch been checked?
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+1
Wednesday, December 4th, 2013 AT 5:01 PM
Tiny
ROBMAR1
  • MEMBER
No, not as yet. This afternoon I am going to speak with an auto electrician and pick his brains. I think I will book it in with the auto elec man and have him check what you suggest.
I have sent an email to Hyundai Techo guys and am weaiting for a reply.
I just can't believe I am the only Terracan owner with this problem. Hyundai has to know something.
Many thanks
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Wednesday, December 4th, 2013 AT 5:36 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Keep in touch and let me know what they find.
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Wednesday, December 4th, 2013 AT 5:39 PM
Tiny
DI2DARRYL
  • MEMBER
Thanks guys sounds identical to my prob, will wait for an update before I spend a lot of money. (I wonder if I ignored it anything further would show up to define prob?)
Cheers regards Darryl
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Wednesday, December 4th, 2013 AT 5:55 PM
Tiny
ROBMAR1
  • MEMBER
Hi all,
I finally got a reply from Hyundai and it appears they have no idea what is happening either. Below is the reply I got from Hyundai. So it appears I am the only Hyundai Terracan owner in the World that has this problem. There was no suggestion of contacting the mother Company and getting an answer for me. They just want me to go back to the Hyundai dealer I went to in the first instance, who had no idea what was wrong and pay more money to be told the same thing again. I know what the dealer will do, rip the system out and make me pay about $1k for a new one, not knowing that this action is the answer. Enjoy the reading.

Rob

Dear Mr Martin,

Thank you for contacting the Hyundai Australia Customer Care Centre and we apologise for the delay in our response.

We appreciate the time and effort you have taken to notify us of the concerns you have raised in your correspondence.

Unfortunately, we are unable to diagnose your concerns through this medium, or inform you of any previous similar cases.

Faults of any nature can usually be identified in one of two ways. Either by the logging of fault codes within the car s onboard computer; or by a technician experiencing the fault firsthand.

We can only suggest that you take your vehicle to a Hyundai Service Centre where your concern may be able to be replicated which will enable correct diagnosis and rectification by a Master Technician or Workshop Foreman.

The dealer also has access to a national database and other resources at their disposal that will enable assistance in fault tracing and rectification of your vehicle.

Please do not hesitate to contact our Customer Care Centre on 1800 186 306 or by email to customercare@hyundai. Com. Au if you have any further questions.

Kind regards,

Paul Knowles
Customer Care Officer-Senior
Hyundai Motor Company Australia

Phone : 1800 186 306
mail to : customercare@hyundai. Com. Au
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Wednesday, December 11th, 2013 AT 10:12 PM
Tiny
ROBMAR1
  • MEMBER
It is now 16/1/2014 and the problem is back.
Will keep you posted if I have any results - positive, I hope.
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Wednesday, January 15th, 2014 AT 5:16 PM

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