FixVault
Home
›
Chrysler
›
2018
›
300 C
›
Repair and Diagnosis
›
Engine Performance
›
System
›
5.7L - DTCS P000B To P0197
›
DTC Troubleshooting
›
P0031-O2 Sensor 1/1 Heater Circuit Low
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the O2 Sensor 1/1 Heater circuit resistance is below approximately 2.0 Ohms.