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Jeep
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2023
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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 U0428 To U1409
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DTC Troubleshooting
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U12A8-Lost Communication With Master Cylinder Pressure Sensor
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
With the ignition on.
Battery voltage above 11.0 volts.