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Jeep
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2021
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Cherokee Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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3.2L - DTCS B104D To P0072
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DTC Troubleshooting
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B10E9-Blower Motor Control Circuit Low
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Set Condition
Set Condition
The PCM detects that the Blower Motor Control circuit is below a minimum calibrated threshold.