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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 P0186, P0191-P0193, P127C, or P127D >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0186 

Fuel Rail Temperature Sensor & Fuel Temperature Sensor = Not within 15°C (27°F) of each other@Cold Start-Up - For less than 1 s

P0191 

Fuel Rail Pressure Sensor & Fuel Rail Pressure Sensor 2 = Not within 25 MPa (3626 PSI) of each other - For greater than 1 s

P0192 

Fuel Rail Pressure Sensor = Less than 0.2 V - For greater than 1 s

P0193 

Fuel Rail Pressure Sensor = Greater than 4.8 V - For greater than 1 s

P127C 

Fuel Rail Pressure Sensor 2 = Less than 0.2 V - For greater than 1 s

P127D 

Fuel Rail Pressure Sensor 2 = Greater than 4.8 V - For greater than 1 s