Code Enable Criteria

• Engine run time is more than 200 seconds for VIN 1, or 240 seconds for VIN K (Bonneville, LeSabre and Park Avenue), or 200 seconds (Grand Prix, Impala, Monte Carlo and Regal).
• DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0410, P0440, P0442, P0443, P0446, P0449, and P1441 are not set.

DTC sets when HO2S 2 signal voltage remains between 425-475 millivolts for up to 90 seconds.