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2025
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Compass Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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2.0L - DTCS P2AF5 To U0102
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DTC Troubleshooting
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P2AF5 Starter Relay 3 Stuck On
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Set Condition
Set Condition
The PCM determines that the difference between the Auxiliary Battery system voltage and the charging system output voltage is greater than 2.0 volts.