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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (3.7L/4.7L/5.7L - DTCS P000B To P0175 - NGC - 1500 & 2500) >> Diagnosis and Testing >> P0141-O2 Sensor 1/2 Heater 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 
(K299) O2 1/2 HEATER CONTROL CIRCUIT OPEN
(Z908) O2 HEATER GROUND CIRCUIT OPEN
1/2 O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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

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