Repair Instructions

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Relay Replacement (Attached to Wire Harness) , or Relay Replacement (Within an Electrical Center) for KR33 Auxiliary Heater Coolant Pump Relay replacement.
Control Module References for ECM replacement, setup, and programming