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2016 LR4 Intelligent stop/start not working

Discussion in 'LR4' started by chiefconch, Oct 3, 2016.

  1. machmike

    machmike Full Access Member

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    Not always true.

    The ECO mode on my 2016 stopped working (see my posts earlier in this thread). It was NOT the battery. The secondary battery tested as fully functional.
    It was a combination of a humidity sensor failure and a required software update. This particular issue does not throw any error codes.
    I'll post the specifics from the work order later this week. If you have a warranty, I would suggest taking it in.
     
  2. rdrakea

    rdrakea Member

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    My '16 Landmark has stopped doing the ECO start/stop. I'll mention it at my first service.
     
  3. David Ce

    David Ce New Member

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    I've got a 2016 LR4 and the ECO light is on in the dash, except when I press the button is says ECO is not available and the light with the line / through the ECO is on. Took it to the dealer for regular maintenance and asked them about it, service rep asked if it bothers me, I said nope I prefer it not working, he said then leave it, it won't cause any harm. It's been about 6 months now and the light is still on, ECO is not working, and I'm loving life. I have 3 vehicles with a for of ECO, 1 I turn off each time I start driving, the other has no option to turn it off so I'm stuck with it. The whole notion this saves gas is rubbish, if anything it adds wear and tear to components. Just my 2 cents
     
  4. timc930

    timc930 Full Access Member

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    Our 2015 (ECO) quit working a month after we bought it used (11/18), dealer replaced battery under warranty, then worked for about 6 months then quit again, after warranty expired. Has not worked for the last year, and I just left it alone. No other issues other than the analog clock being either 30min or 1 hour behind off and on, very sporadic when it's behind.
     
  5. Elchino

    Elchino New Member

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    When the auxiliary battery dies do you need to change it or can it be recharged with a battery tender?

    I never use the feature and turn it off always...does not using it cause the battery to die prematurely?

    Where is this battery under the hood if I want to change it??


    Sent from my iPhone using Tapatalk
     
  6. Michael Puig

    Michael Puig Active Member

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    Well, I hear all of you - 2016 LR4 - eco stopped after a few months - I just left it alone - warranty expires this month, so I took it in to have the dealer look at it:

    So it begins...
    ----------

    Copied from dealer receipt:

    10257 preformed health check and found inhibit for power supply. Inhibit description informed that "GWM" update may (my emphasis) fix issue. Updates performed for "GWM" and "BCM". Long test drive, vehicle performed one ECO start stop but not consistently.

    Performed new health check and found inhibit for secondary battery voltage. Tested secondary battery and failed. Codes 1HCH6T-42H9FJR-590A28 (why didn't they just do the batter check first?)

    Replaced secondary battery and performed replacement procedure in SDD.

    Performed new health check. Battery flagged as inhibit. Tested main battery and failed. Codes 1MAH6T-02H9FJR-M90A28. Replaced main battery and performed long drive cycle.

    Eco start stop now operating as designed.
    ----------

    So, the dealer replaced my main battery (which worked just fine) and the start stop battery. Did a update powertrain control module PCM and did a update to the gateway module. So there you have it.

    I get to the dealer and pickup the car (whick was still running from the valet) and I drive out and... wait for it...

    no Eco SS, nada, nothing - all the way home for the short drive I wait - nada. OK, Ill drop it off Monday morning. Im retired...

    So right when I get a block from my house the engine light goes on...

    Sighs....

    PS - besides taking it in because I still had the warranty I took it in because I was told by several independent LR shops (research in and out of state) that if the SS battery if left alone, would very slowly drain my main battery. Now, if there is a dissenting argument tell me!

    View attachment stress.gif
     
  7. jlglr4

    jlglr4 Full Access Member

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    Just curious - you said the eco start/stop stopped working after a few months. Was this back in 2016 when you got the vehicle? Or did you but it used later? I’m wondering if the eco start/stop hasn’t been working for years, with no other problems. That would suggest the problem is not linked to your main battery, even though the dealer’s notes seem to suggest that it was somehow related.

    I also have a 2016 model. With respect to battery drain, my SS has not worked since I bought the car (used, about 1 year and 8 months), and I’ve had no issues with my main battery. Granted, the dealer put a new SS battery at the time I bought it (which made the eco light go away, but it did not fix the SS).

    Also wondering if you have a code reader to see what codes are stored right now (causing the check engine light)?
     
  8. Michael Puig

    Michael Puig Active Member

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    2016 - SS stopped a month later - car started just fine - but when I called around everyone told me that it would act as a drain on main battery - but when I did oil changes - codes were pulled and no one said anything... no i dont have a reader - should probably get one though -
     

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