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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (2 Of 5)) >> Diagnostic Information and Procedures >> DTC P0476 or P048A >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0476 

M122 Exhaust Pressure Regulator Valve = Mechanically obstructed - For greater than 8 s

P048A 

M122 Exhaust Pressure Regulator Valve = Mechanically stuck - For greater than 1 s

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