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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P176B-P176D, P178F, P17C4, or P17D3 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
9 V Reference P07BF, P17FB, P17F6, P176C, P187E P07BF, P17FB, P17F6, P176C, P187E - P176B, P176C, P176D, P178F, P17C4
Signal P176C P176C P176D * P176B, P176C, P176D, P178F, P17C4
* Internal control module damage may occur if the circuit is shorted to B+.