FixVault
Home
›
Fiat
›
2021
›
500X Pop
›
Repair and Diagnosis
›
Engine Performance
›
System
›
1.3L - DTCS B1810 To P0118
›
DTC Troubleshooting
›
P0037-O2-Sensor 1/2 Heater Circuit Low
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the O2 Sensor heater circuit resistance is below approximately 2.0 Ohms.