Sae P1XXX Diagnostic Trouble Codes

For additional monitor strategy information.

Exhaust, Emissions Controls

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL, Illumination
P117A	O2S (Bank 1, Sensor 3)	Check the Oxygen Sensor (O2S) In Center Three Way Catalytic Converter (TWC) -G465-. Refer to OXYGEN SENSOR HEATER Z29, CHECKING .	I-portion of 3rd lambda control loop, >0.03	Lambda control, closed loop 2nd lambda control, closed loop 3rd lambda control, closed loop Modeled exhaust gas temp, >400° C Engine speed, 1500-6300 RPM Engine load, 14-120% Electrical check, ready, no fault O2S heater rear 1, ready, no fault O2S heater rear 2, active	60 Sec	Multiple 2 DCY