Home >> Chevrolet >> 2016 >> Suburban 3500 HD LT >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Mp 3023/3024 (NQH) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC C0392, P0642, or P0643: Transfer Case Range Position Sensor/5V Reference 1 >> Action Taken When the DTC Sets