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Wrangler Unlimited Sport, Automatic Trans
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Transmission Control Module (TCM) - Electrical Diagnostics
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DTC Troubleshooting
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P0604-Internal Control Module Ram
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Set Condition:
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Set Condition:
If the TCM detects an error with the controllers Random Access Memory (RAM).