OBD-II Diagnostic Trouble Code
P1129
Closed Loop Fueling Not Achieved - Bank 2
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
1
Fuel & air metering
29
Closed Loop Fueling Not Achieved - Bank 2
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Jeep
System
Powertrain
Model
Grand Cherokee
Years
2011