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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (1 Of 5)) >> Diagnostic Information and Procedures >> DTC P0171 or P0172 >> Repair Instructions

Repair Instructions

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Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification

Additional Procedures 

Nitrogen Oxides Sensor Reset - Perform only when the following component/system is replaced or serviced: B195A Nitrogen Oxides Sensor 1

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