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Jeep
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2019
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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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2.4L - DTCS B104D To P0171
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DTC Troubleshooting
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P0073-Ambient Air Temperature Sensor Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Ambient Air Temperature Sensor input voltage is above the maximum acceptable value.