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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (6.7L Diesel - DTCS P0008 To P0401 - 2500 & 3500) >> Diagnosis and Testing >> P0032-O2 Sensor 1/1 Heater 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 
(K79) O2 SENSOR 1/1 HEATER RETURN CIRCUIT SHORTED TO VOLTAGE
O2 SENSOR
O2 SENSOR MODULE

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

NOTE:

Before replacing any O2 Sensor or O2 Sensor Module, check aftertreatment wiring harness for spread terminals. For wiring harness checking procedure, DO NOT back probe, use Electric Terminal Tool Kit (special tool #8197A, Electric Terminal Tool Kit) ((special tool #6801, Terminal Probe) Tool).

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