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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 411 (Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P18A2 or P18A4 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

P18A2 

The control module detects a short to ground.orThe control module detects an open circuit. - For greater than 1 s

P18A4 

The control module detects a short to voltage. - For greater than 1 s

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