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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 P2122, P2123, P2127, P2128, or P2138 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P2122 

APP Sensor 1=Less than 0.46 V - For greater than 1 s

P2123 

APP Sensor 1=Greater than 4.75 V - For greater than 1 s

P2127 

APP Sensor 2=Less than 0.33 V - For greater than 1 s

P2128 

APP Sensor 2=Greater than 2.6 V - For greater than 1 s

P2138