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Discussion Starter · #1 ·
Yesterday I drove my 2010 rubicon about 40 miles in blazing hot temperatures 95-100. It's the first heat of the year here in la. I also had the ac cranked the entire drive home 1.5 hrs.

This am when I went to start the jeep the battery was dead. I tried to crank it a few times but it just ticked. I double checked everything and I don't believe I left anything on or open.

I called aaa and the battery was almost dead so I purchased a new one. Immediately the car fired right up. The mechanic said I had the original battery so it was likely due - 4 yrs old...

Fast forward on the drive to work this am and I notice the "malfunction error" light is on.

I used the key in the ignition trick and found the following codes:

P0522
P0123
P0222
P0562

What does this all mean? Are these likely tied to the dead battery which I just replaced and the light will reset itself? I drove 1 hr this am and the light is still on.

Or is this a symptom of something larger? When would the light reset itself? Thoughts?

Thanks in advance!
 

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IMO, they are most likely linked to the dead battery, it's too coincidental. The computers in out JKs are very sensitive to voltage fluctuations. When my battery was going dead, I started getting codes and my cooling fan would constantly run. It all went away with the new battery.
 

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Discussion Starter · #4 ·
If it is the battery how long after battery replacement would it take for the light to turn off??
 

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After looking up the codes there is a good chance they are related to the battery. Have them cleared and they most likely will not return.
 

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I left my battery disconnected for 30 minutes before I put in the new one and it cleared all the codes I had related to the slowly dying battery
 

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When I bought my jku back in 2012 I changed out the stock batery within a few months before winter came. I had read they are very unreliable. I also wanted something heavy duty able to withstand extreme hot and cold. Lots of using the remote starter and radio and lights. I ended up with a sears diehard platiumn agm battery. I think it was worth it for peace of mind than worrying about how soon the mopar battery was gonna die.
 

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Discussion Starter · #9 ·
iBook it to the dealer. They cleared the codes and assured me it was all tied to the dead / dying stock battery.

Codes haven't come back!!
 

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Think this may be the same thing happening with my 2010 sport now. Original battery. Last couple of days (esp with it getting colder here in IL), it's a little sluggish firing over. Went outside tonight to let it run for a little bit and the orange engine light came on, and now staying on. I too tried the key trick but with no luck on producing any codes at all. I'm assumming it's the batt.. Taking it to the dealer tomorrow for a new one and to double check everything. I'll post my finding then. Nite all.
 

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Think this may be the same thing happening with my 2010 sport now. Original battery. Last couple of days (esp with it getting colder here in IL), it's a little sluggish firing over. Went outside tonight to let it run for a little bit and the orange engine light came on, and now staying on. I too tried the key trick but with no luck on producing any codes at all. I'm assumming it's the batt.. Taking it to the dealer tomorrow for a new one and to double check everything. I'll post my finding then. Nite all.
If it's a 2010, you're about due for a battery. I would just go buy a battery and see if that's the problem. Why pay a dealer?
 
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