Circuit/System Verification
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.
- Ignition - On / Vehicle - In Service Mode
- Verify the scan tool parameter:
- { P18C4, P18C5 } Gate Select Position Sensor = 10 to 90%
- { P18C6, P18C7 } Gear Shift Position Sensor = 10 to 90%
- If not between 10 and 90%
Refer to: Circuit/System Testing
- Go to next step: If between 10 and 90%
- Operate the component: Shift Control Lever - Select each position
Verify the scan tool parameter:
- { P18C4, P18C5 } Gate Select Position Sensor =
- 11 to 32% - Gear 1, 2
- 32 to 51% - Gear 3, 4
- 49 to 71% - Gear 5, 6
- 67 to 90% - Gear R
- { P18C6, P18C7 } Gear Shift Position Sensor =
- 65 to 85% - Gear 1, 3, 5, 7
- 42 to 55% - Neutral 3-4
- 11 to 35% - Gear 2, 4, 6, R
- If not the specified values
Refer to: Circuit/System Testing
- Go to next step: If the specified values
- { P18C4, P18C5 } Gate Select Position Sensor =
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
Refer to: Circuit/System Testing
- Go to next step: If the DTC is not set
- If the DTC sets
- All OK.