15-NA-080

Malfunction Indicator Lamp (MIL) On, Possible P0300, P040B, P041B, P1427 and/or P1429 DTCs Set Some customers may comment on a check engine light illuminated. During diagnosis a technician may find one or more of the following DTCs set:
• P0300 — Engine Misfire Detected
• P040B — Exhaust Gas Recirculation Temperature Sensor 2 Circuit Range/Performance
• P041B — Exhaust Gas Recirculation Temperature Sensor 1 Circuit Range/Performance
• P1427 — EGR Temperature Sensor 1 – Intake Air Temperature 1 Not Plausible
• P1429 — EGR Temperature Sensor 2 – Intake Air Temperature 1 Not Plausible This may be caused by a calibration within the K20 Engine Control Module