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Home >> Chevrolet >> 2021 >> Express 2500 LS, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions >> Repair Instructions >> Reductant Control Module Replacement
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Reductant Control Module Replacement

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