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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 >> P113C-O2 Sensor Power Supply Circuit Performance >> 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 
POWER SUPPLY TO SMART O2 SENSOR MODULE OPEN/HIGH RESISTANCE
POWER SUPPLY TO SMART O2 SENSOR MODULE SHORTED TO GROUND
SMART O2 SENSOR MODULE

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

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