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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P127C, P128A-P128D, P128F, P16E4, or P16E5 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P127C 

The engine control module detects the fuel pressure sensor 2 SENT digital read value is less than or equal to 94 for greater than 1 s.

P128A 

The engine control module detects fuel pressure sensor 1 SENT digital read value is greater than 4, 089 for greater than 1 s

P128B 

The engine control module detects fuel pressure sensor 2 SENT digital read value is greater than 4, 089 for greater than 1 s

P16E4 

The engine control module detects fuel pressure sensor SENT signal shorted low for greater than 1 s

P16E5 

The engine control module detects fuel pressure sensor SENT signal shorted high for greater than 1 s

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