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2025
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Compass Latitude
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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2.0L - DTCS U0103 To U017E
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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.