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...
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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.
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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!
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