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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (6.7L Diesel - DTCS P0402 To P1CEF - 2500 & 3500) >> Diagnosis and Testing >> P1193-Inlet Air Temperature Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K615) INLET AIR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K615) INLET AIR TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN
(K916)) INLET AIR TEMPERATURE SENSOR RETURN CIRCUIT OPEN
INLET AIR TEMPERATURE/PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  .