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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1765-P1767: Upshift/Downshift Switch >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

P1765 

The TCM detects a Stuck ON tap up switch for 1 second in PARK, NEUTRAL, and in manual position for 600 seconds, when the tap down switch is depressed.

P1766 

The TCM detects a Stuck ON tap down switch for 1 second in PARK, NEUTRAL, and in manual position for 600 seconds when the tap up switch is depressed.

P1767 

The TCM detects an invalid voltage on the TAP Up/Down Signal Circuit for 1 minute.

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