Mike's Workshop Manuals
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Jeep
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2021
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Grand Cherokee L Laredo, AWD
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P0037 To P0152
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Diagnosis And Testing
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P0111-Intake Air Temperature Sensor 1 Performance
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Set Condition
Set Condition
The Powertrain Control Module (PCM) compares the AAT, ECT, and IAT values. If one sensor values is not within 15°C (27°F) of the other temperature sensors for two consecutive trips, a DTC will set.