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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (6.7L - DTCS P1192 To P21C3 - 3500 Cab & Chassis) >> Diagnosis And Testing >> P214A-SCR NOX Catalyst Inlet Temperature Too High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
EXHAUST GAS TEMPERATURE SENSOR 1/3 FAILED IN RANGE
ENGINE MISFIRE
EXCESSIVE FUEL OR OIL INTRODUCED INTO THE EXHAUST SYSTEM
DEFECTIVE DOC/DPF CATALYST

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

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