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Old 02-11-2015, 03:38 AM
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EVIC - "Battery Low Start Engine to Change Ride Height"

How many people have encountered the "Battery Low Start Engine to Change Ride Height" message while the Jeep is in ON mode with the engine off?

I have seen it on my 2014 for the past few cold, winter months. The first time was after I stopped for diesel after driving at highway speeds for about an hour (the day before I had driven two hours at highway speeds). The message usually kicks in after about 30 seconds of being on with the engine off.

I find this message odd. First, I don't recall ever having the ability to change QuadraLift ride height with the engine off (and I don't have the auto entry lower suspension option enabled), so this alert seems to be speciously misleading. Second, the battery shows 12V on EVIC after this message is shown, but rapidly gets up to 15V after running the engine for a few minutes (presumably to charge the thing). Third, if the battery isn't happy after hours of running at highway speeds, what more does it want?

You can tell I'm somewhat incredulous it could be failing already. The vehicle is 14 months old and it's not like the midwest is "extreme Arctic duty".

Side question: how long are the original batteries warranted?

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Old 02-11-2015, 07:27 AM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

Bad battery? Let the dealer check it.


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Old 02-11-2015, 09:27 AM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

The system auto level/adjusts the stance of vehicle when its parked. I wonder if it goes to do this process but decides too little battery to risk running the compressor and kicks this message out.

That said, if the vehicle is starting strong and charging then I'd be more inclined to assume its just the parameters that QL is set to work within. You could always have it tested as well.
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Old 02-11-2015, 01:05 PM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

Quote:
Originally Posted by TurboRush View Post
That said, if the vehicle is starting strong and charging then I'd be more inclined to assume its just the parameters that QL is set to work within.
Yes, it starts without hesitation even when it's cold and I haven't used the block heater (love this diesel engine). I considered the possibility that this was just an overly aggressive state of charge status check, but if that were the case I expected to hear similar anecdotes from other owners.
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Old 02-11-2015, 03:52 PM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

Measure the battery voltage before trying to start, using an inexpensive DVM. You can get to it under the hood at the jumper points.

You could have a cell with a skin charge, a flaked battery, a flaked voltage sensor, a flaked sensor for the air suspension, or you insulted a nice old gypsy lady.
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Old 02-11-2015, 10:39 PM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

A freshly charged battery will likely show 12.8V or even higher. 12.2V is about 50% charge, so if your meter reads something like 12.2 or 12.3 the battery is probably bad.

One of my meters plugs into the 'cigarette lighter' outlet and has digital readout. I think I bought it from Amazon.
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Old 02-12-2015, 06:37 AM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

Low battery is low. Just measured it as open-circuit as it gets without disconnecting the battery: 12.21V, directly on the battery terminals.

It seems that normal battery chargers are contraindicated for these AGM batteries: "Typical battery chargers ARE NOT SUITABLE as the voltage and current regulation ranges of typical battery chargers are unsafe for AGM batteries."

So, are these batteries even warranted items? I don't feel the urge to go pay the dealer diagnostic fees on top of the price of a new, dealer-sourced battery.
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Old 02-12-2015, 07:57 AM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

Is the OEM battery a AGM battery or just a sealed battery?


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Old 02-12-2015, 08:08 AM
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Re: EVIC - "Battery Low Start Engine to Change Ride Height"

As far as I understand it, all WK2's ship with an AGM battery. The wk2jeeps link in my previous post discusses further.
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