OBD-II Diagnostic Trouble Code
P112B
Oxygen sensor 1/1 pumping overcurrent
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
1
Fuel & air metering
2B
Oxygen sensor 1/1 pumping overcurrent
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Jeep
System
Powertrain
Model
Cherokee
Years
2017