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Hi all

My 2017 discovery sport has 13k miles on it. Recently saw this message "2 wheel drive only traction reduced" and took it dealer.

1st trip to LR dealer: they fixed it, drove 2 miles after repair, saw the same error again.
2nd trip to dealer: drove 20 miles after repair, message came again.
scheduled for 3 appointment to LR dealer

Caution! Terrain Response System is not functional. On-road and off-road performance may be affected depending on the cause of failure. (This appeared in center screen)

Did anyone faced this?

Thanks!
 

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Wow, this is new.
Sounds like the electrical or mechanical link to the rear axle is faulty.
Your dealer service staff appear not to have the ability to diagnose and repair.
You may need to ask the service manager to escalate this to their national service inquiry or a regional master service tech.

I had this happen on my '16 DS with the TCU (SOS communications module) - many times and finally the service manager contacted the national service dept and had the part flown in from the UK.
After that, the issue has not resurfaced.
 

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I had the same warning .....land Rover quoted £1500 to fit a new Haldex motor as they said it was broken
7500

pump was clogged up with foul boggy oil....cleaned a low a behold problem solved ....cost £31 for Haldex oil ! 32,000 miles 2016 HSE Black
7501
 

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Just replaced it with a new aftermarket oil pump with a local repair shop. I shoulda checked this earlier. I will keep the faulty original part, try to clean it up, and save it for a later use. I will share more details how I got the part from aftermarket.
 

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By the way if you look at the 4x4 display ....in normal mode the disco is always in two wheel drive. The Unlocked icon confirms this and by selecting some of the special programs you can see when 4 wheel drive is actually engaged fully or partially
 

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By the way if you look at the 4x4 display ....in normal mode the disco is always in two wheel drive. The Unlocked icon confirms this and by selecting some of the special programs you can see when 4 wheel drive is actually engaged fully or partially
I believe unlocked center differential doesn't mean that 4x4 isn't used though. In other words, locked center differential means that the power is evenly distributed to the front and the rear as far as I know. It does not necessarily mean that 0% of power goes to the front. Please correct me if I am wrong.
 

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I asked Land Rover and they told me that in normal mode 100% of thr drive goes to the front wheels. Which is why the front tyres wear so quickly
That might be true. DS comes with AWD that the system automatically operates. What I wanted to say is that unlocked differential doesn't always mean 2WD. Some AWD cars split 20% rear and 80% front in normal road.
 

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I agree should be part of service schedule
my 20160HSE hits the same problem, LR dealer asks to replace new one with charge about CAD1600. regarding to my question about oil change, mechanic says ' The rear differential does not technically need it's oil changed as per the manufacturer. Though we recommend it @ 10 years or 160,000km. So in my honest opinion, it may not do anything just by changing it. '
considering l barely use fourwheel drive function, l think this motor has fault on its design.
 

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2016 DS HSE Auto Gas/petrol
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Bryan
Every time you start moving the car automatically goes into AWD / 4WD , depending on your acceleration and road conditions, more power can be transferred to the rear and for a longer time. Did you go to both the Richmond Dealership and the Vancouver Dealership???? Langley may be far out for you.
The rear differential is not the same as the Haldex that controls how the AWD reacts..
If you go to the 4 X 4 screen you can watch how the car is reacting to as you drive off. Oh as you brake and come to a stop the car also goes back into AWD mode for a few seconds

Curious how many Kilometers on the car?
 

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Bryan
Every time you start moving the car automatically goes into AWD / 4WD , depending on your acceleration and road conditions, more power can be transferred to the rear and for a longer time. Did you go to both the Richmond Dealership and the Vancouver Dealership???? Langley may be far out for you.
The rear differential is not the same as the Haldex that controls how the AWD reacts..
If you go to the 4 X 4 screen you can watch how the car is reacting to as you drive off. Oh as you brake and come to a stop the car also goes back into AWD mode for a few seconds

Curious how many Kilometers on the car?
Bill,
My car run less than 40k km, I drive the car mostly at ECO mode, I thought that means to use front wheel drive only?
I have been maintaining my car in Richmond dealership, so far I have good experience with them.
Mechanic's explanation makes sense to me, I decide to replace it with new motor.
I think this is a quality issue since many users have same problem.
 

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2016 DS HSE Auto Gas/petrol
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Eco mode takes the fun out of driving.Lol . It reduces throttle response, changes gears a little sooner, changes how your a/c works and a few other things . All to save a little fuel.

I try to drive in sport mode all the time and car runs so much better , especially with all the hills and mountains we have in B.C. Like you I have very low kilometers on the car.

The Richmond dealership is massive I got lost just buying some new wipers. Seem like nice people but I would get second estimate.

I think we have 4000 members and only a hand full have had problems, so it is a rare problem.
 
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