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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Controls And Fuel - 4.6L - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Conditions for Setting DTC

Conditions for Setting DTC

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

P2120 

The ECM detects that the APP sensor 1 voltage is less than 0.33 V or greater than 4.5 V for greater than 1 s.

P2122 

The ECM detects that the APP sensor 1 voltage is less than 0.33 V for greater than 1 s.

P2123 

The ECM detects that the APP sensor 1 voltage is greater than 4.5 V for greater than 1 s.

P2125 

The ECM detects that the APP sensor 2 voltage is less than 0.33 V or greater than 4.5 V for greater than 1 s.

P2127 

The ECM detects that the APP sensor 2 voltage is less than or equal to 0.33 V for greater than 1 s.

P2128 

The ECM detects that the APP sensor 2 voltage is greater than 4.5 V for greater than 1 s.

P2138 

The voltage difference between APP sensor 1 and APP sensor 2 exceeds a value of 5 percent with the pedal in the released position, or 10 percent with the pedal at wide open throttle (WOT) for greater than 1 s.

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