Low Idle

[Tammie 5070]

Battery was clicking,,got Jumped now H2 has a low idle

 

[alrock]

Have you replaced the battery yet? Just because you got it running doesn't necessarily mean it's going to run well. Modern vehicles are very dependent on a good current from the battery.

 

[Tammie 5070]

I got a Interstate Battery around 2 yrs ago checked the cables also
This 2003 h2 has some electrical issues

 

[alrock]

Batteries can, and do, fail within 2 years. That doesn't mean I'm saying that's the issue, but it's the most common first step in troubleshooting. After that, I'd confirm, test, inspect, etc. the following items:
Battery terminals - are they tight and not corroded?
Battery cables - any signs of corrosion on either end? Replace if any doubts, especially given your location in Ohio
Bad ground - rusted or corroded connections. This can happen in various places in the vehicle
Bad BCM
Plug in professional tech tool and look for any codes that exist or previously existed. Maybe a weak connection on a sensor, for example, or a failing sensor.

 

[Tammie 5070]

I have looked at all that you said on Battery nothing looks bad ,on the Body Controll what one do you check or the TBCBattery feed
Now I have Electrical issues the dash has stopped working the computer part works sometimes on it if I hit the button to turn on light inside dash goes out have had this issue for awhile now
I was going to go ahead and clean the Throttle Body to see if that will help
Thank you so much for helping me with this Issue

 

[Exodus]

disconnect your negative battery cable for 15 mins

 

[alrock]

Battery - nothing "looks bad"? Did you have it tested, or swap with a known-good battery? Unlikely one could diagnose a broken battery visually.