DTC Descriptor
WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P18A2
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Transmission Park Inhibit Actuator Control Circuit Low Voltage
- DTC P18A4
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Transmission Park Inhibit Actuator Control Circuit High Voltage