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Jeep
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2021
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Grand Cherokee Laredo E, AWD, Automatic T/Case Control
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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 P0365 To P0430
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DTC Troubleshooting
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P040B-Exhaust Gas RECIRCULATION Temperature Sensor 1 Circuit Performance
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Set Condition
Set Condition
The difference between the EGR Temperature Sensor and either the ECT Sensor reading or AAT Sensor reading is greater than 15°C (59°F).