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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2718, P2720, or P2721: Transmission Control Solenoid Valve 4 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuits Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition P0658 P0659 P0659 -
Control P2720 P2718 P2721 -
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