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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Automatic Transmission - 4T80-E - DTC P0218 To DTC P2534) >> DTC P0851 or P0852 >> Conditions for Setting the DTC >> P0851

Conditions for Setting the DTC: P0851

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

The Park/Neutral switch circuit voltage is low, 0 volts, for .01 seconds while the TCM is reporting the gear selector is in a reverse or drive gear.