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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 941 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - DTC P1380 To DTC P3449) >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference 

Engine Controls Schematics

Connector End View Reference 

Electrical Information Reference 

DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference 

Scan Tool Data List (ECM)Scan Tool Data List (FPCM)