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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1968 (Automatic Transmission - 6L80/6L90 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0850-P0852 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0850 or P0851 

The ECM detects the Park/Neutral switch signal equals 0 V, Low, when the IMS reports a Drive range.

P0852 

The ECM detects the Park/Neutral switch signal equals 12 V, High, when the IMS reports a Park/Neutral range.

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