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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 P0815, P0816, Or P0826: Up And Down Shift Switch Circuit >> Typical Scan Tool Data

Typical Scan Tool Data

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Driver Shift Control Mode Switch@Body Control Module

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition=On
Parameter Normal Range: 
  • Down or Downshift
  • Off or On
  • Up or Upshift
Signal Error or Invalid Off Off
Low Reference - Off -