Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Jeep
>>
2025
>>
Compass Trailhawk
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
2.0L - DTCS P0405 To P042E
>>
DTC Troubleshooting
>>
P0427 Catalyst Temperature Sensor Circuit Low (Bank 1 Sensor 1)
>>
Set Condition
Set Condition
The Gasoline Particulate Filter Temperature Sensor Module detects that the GPF Temperature Sensor Signal circuit voltage is below a calibrated threshold.