Repair Instructions
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification
- Warm Up Three-Way Catalytic Converter Replacement (L3B) , or Warm Up Three-Way Catalytic Converter Replacement (LSY) - Catalytic Converter
- Heated Oxygen Sensor Replacement - Sensor 1
- Heated Oxygen Sensor Replacement - Sensor 2
Additional Procedures
HO2S Heater Resistance Learned Values Reset - Perform only when the following component/system is replaced or serviced: B52 Heated Oxygen Sensor