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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Automatic Transmission - 9T50 (M3D) And 9T60 (M3T) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P176B-P176D, P178F, P17C4, or P17D3 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
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+.
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