Circuit/System Description
WARNING: This page is about a different car, the 2020 Cadillac XT5. However, it is still accessible from the selected car via links, so may be relevant.
DTC P18A8 sets only when there is a hydraulic/mechanical problem.
For an overview of the component/system, refer to:
- Park - Engine Running (Hydraulic Circuits) , and Park - Engine Running (Mechanical Powerflow)
- Reverse (Hydraulic Circuits) , and Reverse (Mechanical Powerflow)
- Neutral - Engine Running (Hydraulic Circuits) , and Neutral - Engine Running (Mechanical Powerflow)
- Drive Range, First Gear (Hydraulic Circuits) , and Drive Range, First Gear (Mechanical Powerflow)
- Drive Range, Second Gear (Hydraulic Circuits) , and Drive Range, Second Gear (Mechanical Powerflow)
- Drive Range, Third Gear (Hydraulic Circuits) , and Drive Range, Third Gear (Mechanical Powerflow)
- Drive Range, Fourth Gear (Hydraulic Circuits) , and Drive Range, Fourth Gear (Mechanical Powerflow)
- Drive Range, Fifth Gear (Hydraulic Circuits) , and Drive Range, Fifth Gear (Mechanical Powerflow)
- Drive Range, Sixth Gear (Hydraulic Circuits) , and Drive Range, Sixth Gear (Mechanical Powerflow)
- Drive Range, Seventh Gear (Hydraulic Circuits) , and Drive Range, Seventh Gear (Mechanical Powerflow)
- Drive Range, Eighth Gear (Hydraulic Circuits) , and Drive Range, Eighth Gear (Mechanical Powerflow)
- Drive Range, Ninth Gear (Hydraulic Circuits) , and Drive Range, Ninth Gear (Mechanical Powerflow)
- Fluid Passages