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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 P2817 or P2818: Transmission Control Solenoid Valve 8 Stuck >> 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.

P2817 

During the 3-4 upshift the transmission did not obtain 4th gear, due to the transmission control solenoid valve 8, stuck in the Off position.

P2818 

The torque converter clutch (TCC) slip speed obtains a low RPM value when the TCC is commanded on in park position, due to the transmission control solenoid valve 8, stuck in the On position.

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