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Home >> Chevrolet >> 2021 >> Express 2500 Base, Van Cargo Extended, 2.8L Eng VIN 1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions) >> Repair Instructions >> Reductant Control Module Replacement

Reductant Control Module Replacement

WARNING: This page is about a different car, the 2022 GMC Savana 3500, 2022 GMC Savana 2500, 2022 Chevrolet Express 3500, and 2022 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM4603823Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Emission Reduction Fluid Tank Replacement (Short Wheel Base) , or Emission Reduction Fluid Tank Replacement (Long Wheel Base) 
1 Emission Reduction Fluid Pump Module Wiring Harness [2x]
2 Emission Reduction Fluid Controller Bolt
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
3 Emission Reduction Fluid Controller
Procedure 
If replacing, reprogram the module. Control Module References