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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1301 (6.7L Diesel - DTCS P0642 To P205E - 2500 Hd & 3500 Hd) >> DTC Troubleshooting >> P1484-Catalyst Overheat Detection >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) detects that the Exhaust Temperature Sensor 1/1 temperature is greater than calibrated temperature for longer than a calibrated time.