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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Controls And Fuel - 6.0L (L96 LC8) - 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 

The ECM detects that the APP sensor 1 voltage is less than 0.46 V for less than 1 s.

P2123 

The ECM detects that the APP sensor 1 voltage is greater than 4.75 V for greater than 0.24 s.

P2127 

The ECM detects that the APP sensor 2 voltage is less than 0.32 V for greater than 0.24 s.

P2128 

The ECM detects that the APP sensor 2 voltage is greater than 2.6 V for greater than 0.24 s.

P2138 

The ECM detects that APP sensor 1 and APP sensor 2 disagree greater than 5% at minimum throttle to 10% at wide open throttle (WOT) for greater than 0.24 s.

OR

The ECM detects that both APP sensor 1 and APP sensor 2 are 5 percent greater than the learned minimum position for greater than 0.24 s.

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