Code Enable Criteria

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Saturn SW2, 2001 Saturn SL2, 2001 Saturn SL1, 2001 Saturn SL, and 2001 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.

PCM is using non-purge fuel trim cells.
Engine speed is 500-4000 RPM.
Loop status is closed.
ECT is 140-259°F (60-115°C).
IAT is 10-176°F (-20-80°C).
MAP is 30-90 kPa.
TP angle is less than 75 percent.
Barometric pressure is greater than 70 kPa.
Calculated airflow is 2-80 grams per second.
No CMP, CKP, ECT, EGR flow, EVAP purge solenoid, IAC valve, IAT, MAP, misfire, O2S1, PCM internal fault or TP sensor DTCs are set.

DTC sets when combined average of idle and cruise long term fuel trim cells is greater than 15.4 percent correction, current short term fuel trim cell is greater than zero percent and condition exists for greater than 3 seconds.