Help please

Need help please!!! I have an 07 renegade hmf programmer and exhaust started just fine one morning came out the next and the battery was dead so I hooked the charger up for a few…turn the key on and the check engine light was on and wouldn’t crank…it shows no p codes have checked all fuses diodes etc…the dealership’s around here are no help and found nothing..have ran multiple tests on all switches and all check good..has fire to plugs and injectors please can someone help

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