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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Automatic Transmission - 10L60 (MQA) Or 10L80 (MHU) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P18A2-P18A4 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
DTC P18A2

Transmission Park Valve Lock Control Circuit Low

DTC P18A3

Transmission Park Valve Lock Control Circuit

DTC P18A4

Transmission Park Valve Lock Control Circuit High

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