Auto/Stop Start

flyboy767

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Steve
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Got Auto/Stop start warning light along with message to service auto/stop start. Took into dealer, said needed new aux battery but none in stock, on order, no idea when will receive new ones.
Question...is it possible to put a charger on the aux battery, like can be done on the main engine battery?
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FirstF80InSpace

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You can, but what's the point? The next time you try starting, you will be in the exact same spot.

The aux. batteries in the JL are absolute low cost garbage. Failure rate is probably around 50%. There's a backorder of these batteries because of the very high failure rate.
 

JeepCares

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Got Auto/Stop start warning light along with message to service auto/stop start. Took into dealer, said needed new aux battery but none in stock, on order, no idea when will receive new ones.
Question...is it possible to put a charger on the aux battery, like can be done on the main engine battery?
Hello flyboy767, I am so sorry to read about the delay! What dealer are you working with? We are happy to set up a case so a case specialist can look into this for you. Feel free to send us a private message with your information if you'd like to move forward.

Kaitlin
Jeep Cares
 

No IFS

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I think the auxiliary battery is only used when the vehicle stops on the auto stop. If you hit the button every time or disable it , I think it limits the auxiliary battery issues.
 

JeepDave

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I think the auxiliary battery is only used when the vehicle stops on the auto stop. If you hit the button every time or disable it , I think it limits the auxiliary battery issues.
I’m going to say that wasn’t the case with mine. I thought hitting the disable button might stop it from checking all the various points that it needs to to make itself ready to use and hence prevent the warning light from coming on, but it still came on anyway. If that battery is bad, it’s bad and needs to be replaced. It’s just a bummer because it takes a long time to know if just replacing the battery is all that’s needed. They had mine 3 1/2,workdays (doofus Illinois closes auto dealerships on Sundays so it was really longer than that).
 

monkey6

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I got the same start stop system warning yesterday on my wife's Jeep, checked engine codes and also have a P0033 code for turbo bypass valve. It's going to the dealership on Saturday to get checked out. We bought it certified used 2 months ago.
 
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