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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 940 (Automatic Transmission - ALLISON - DTC P0733 To DTC P0873) >> DTC P0851 or P0852 >> Typical Scan Tool Data

Typical Scan Tool Data

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

Circuit Short to Ground Open/High Resistance Short to Voltage
Operating Conditions:  Engine running, normal operating temperature
Parameter Normal Range:  In-Gear, Park/Neutral
Park/Neutral Signal Park/Neutral In-Gear In-Gear