Aux Battery replacement

[Mathami]

Hi, I’ve just replaced my jeep gladiator sport aux battery and my car doesn’t start and shows this error” Service Vehicle Protection System”

, I’ve googled any solutions for this but no luck, do anyone have an idea ? Thanks

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[dchemphill1]

Will it start if you disconnect the AUX battery? What led you to replace the AUX? What issues were you seeing, etc.... Those replacing the AUX will replace main battery as well as they are wired in parallel thus they can drag one other down.

 

[Emaaa]

I'm goin5 to change the AUX battery, should I be worried about this?

I'm changing it Because auto start failed light is on, it seems battery 8s weak.

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