Excess drain on battery due to faulty radio on Dodge Caliber

A weak or dead battery may me caused by an excess draw related to the cabin compartment node. Our technicians tell us that a software update is available to correct this issue.
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Average mileage: 86,000 (86,000–86,000)
1 model year affected: 2007
2 people reported this problem
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problem details
2007 Dodge Caliber 86,000 mi,
Battery will not hold up under use of radio in Tailgating mode. Will drain the battery in less than an hour. Who and how is this repaired?