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Home >> GMC >> 2022 >> Terrain SLE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Diagnostic Information And Procedures (1 Of 2) >> Diagnostic Information and Procedures >> DTC P0815, P0816, or P0826 (without EPH) >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal P0815, P0816, P0826 - - -
Ground - - - -
Mechanical Condition

Component DTC Condition
S2A Transmission Manual Shift Switch - Up/Down P0815, P0816 Switch Stuck - Closed/On