FixVault
Home
›
Jeep
›
2015
›
Grand Cherokee Laredo, AWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
3.6L - DTCS P000A To P0159
›
DTC Troubleshooting
›
P0152-O2 Sensor 2/1 Circuit High
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the 2/1 Oxygen Sensor voltage is greater than the maximum acceptable value for a specific amount of time, based on O2 Sensor heater temperature.