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
- Emission Reduction Fluid Controller Replacement
- Emission Reduction Fluid Supply Pump Module Replacement
- For control module replacement, programming, and setup refer to: Control Module References
Additional Procedures
NOTE:
Performing this procedure will clear the Driver Information message for the applicable system.
Perform the scan tool control function: Reductant System Tamper Service Bay Test - Perform only when the following warning message is displayed: Service Emission System/Service Exhaust Fluid System