LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - DTC P0218 To DTC P0961) >> DTC P0852 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The Park/Neutral Position (PNP) Switch is externally mounted on the transmission manual shaft. As the gear range selector lever is moved, the state of the P/N switch may change, causing the Park/Neutral Signal circuit to open or close. An open circuit or switch indicates a drive range and a high voltage signal at the engine control module (ECM). A closed circuit or switch indicates PARK or NEUTRAL and a low voltage, 0 volts, signal at the ECM.

The ECM uses the PNP Switch status in order to enable starter operation.

If the PNP switch signal indicates low when the vehicle is in motion for a specified length of time, DTC P0852 sets. DTC P0852 is a type C DTC.

scientia non olet · About LEMON Manuals