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Jeep
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2019
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Renegade Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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1.3L - DTCS U0125 To U1504
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DTC Troubleshooting
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U012D-Lost Communication With Alternator Control Module
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Set Condition
Set Condition
The Powertrain Control Module (PCM) has lost communication with the Smart Alternator over the LIN BUS.