Programming an Existing Control Module
WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
To program an existing control module, perform the following procedure:
- Install the special tool:EL-49642 SPS Programming Support Tool
- Ignition - On / Vehicle - In Service Mode
- Access SPS and follow the on-screen instructions for the control module:K47 Rear Differential Clutch Control Module
- Perform the SPS function:Programming
- Perform the SPS function:Setup
- Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
- If DTC C0418 is set - Perform the configuration/reset function:Rear Differential Clutch Control Module Calibration