Code Enable Criteria
WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Engine speed is at least 1100 RPM for more than 44 seconds since last idle period.
- Engine has been running for at least 360 seconds and long term fuel trim is stable.
- Predicted catalyst temperature is more than 887°F (390°C).
- System is in closed loop.
- Barometric (BARO) pressure is at least 73 kPa.
- Intake Air Temperature (IAT) is 20-167°F (-7-117°C).
- Engine Coolant Temperature (ECT) is 167-243°F (75-117°C).
- Engine has been idling for less than 120 seconds.
- Actual engine speed is within 100 RPM of desired idle speed.
- DTCs P0101, P0103, P0106, P0108, P0112, P0113, P0117, P0118, P0125, P0131, P0135, P0137, P0138, P0140, P0141, P0151, P0155, P0157, P0158, P0160, P0161, P0171, P0172, P0174, P0175, P0200, P0300, P0305, P0325, P0327, P0335, P0336, P0341, P0343, P0351, P0358, P0443, P0446, P0449, P0502, P0503, P0506, P0507, P1120, P1125, P1133, P1134, P1153, P1154, P1220, P1221, P1275, P1276, P1280, P1281, P1285, P1286, P1441, P1514, P1515, P1516, P1517, or P1518 are not set.
DTC sets when PCM determines oxygen storage capability of catalytic converter has degraded less than a calibrated threshold.