Repair Instructions
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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
- Catalytic Converter Replacement (LWN) , or Catalytic Converter Replacement (L96, LC8) - Oxidation Catalytic Converter
- Exhaust Temperature Sensor Replacement - Position 1
- Exhaust Temperature Sensor Replacement - Position 2
- For control module replacement, programming, and setup refer to: Control Module References
Additional Procedures
Catalyst Reset - Perform only when the following component is replaced or serviced:
Oxidation Catalytic Converter