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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0850, P0851, Or P0852: Park/Neutral Position Switch Circuit >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different variant/trim than selected.
Internal Mode Switch A/B/C/P@K71 Transmission Control Module

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition - On / Vehicle - In Service Mode
Parameter Normal Range: 
  • High
  • Low
Signal Low High High
Low Reference - High -
Park/Neutral Position Switch@K20 Engine Control Module

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition - On / Vehicle - In Service Mode
Parameter Normal Range: 
  • In Gear
  • Park/Neutral
Signal Park/Neutral In Gear In Gear
Low Reference - In Gear In Gear
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