Repair Instructions

WARNING: This page is about a different car, the 2017 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair.

Fuel Tank Fuel Pump Module Replacement (Front Tank)Fuel Tank Fuel Pump Module Replacement (Rear Tank) for G12 Fuel Pump replacement.
Relay Replacement (Attached to Wire Harness)Relay Replacement (Within an Electrical Center) for KR23A Fuel Pump Relay replacement.
Control Module References for K20 Engine Control Module replacement, programming and setup.