Circuit/System Verification
WARNING: This page is about a different car, the 2021 Chevrolet Equinox. 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: TCM Power-Up Temperature = -39 to 139°C (-38 to 282°F)
- If not between -39 and 139°C (-38 and 282°F)
Replace the component: Q8 Control Solenoid Valve Assembly
- Go to next step: If between -39 and 139°C (-38 and 282°F)
- If not between -39 and 139°C (-38 and 282°F)
- Verify the following parameters are within 8°C (14°F) of each other:
- TCM Power-Up Temperature
- TCM Temperature
- If not within 8°C (14°F) of each other
Replace the component: Q8 Control Solenoid Valve Assembly
- Go to next step: If within 8°C (14°F) of each other
- Operate the cold vehicle above 55 km/h (35 MPH) for 10 min.
Verify the following parameters are within 25°C (45°F) of each other:
- TCM Power-Up Temperature
- Transmission Fluid Temperature
- If not within 25°C (45°F) of each other
Replace the component: Q8 Control Solenoid Valve Assembly
- Go to next step: If within 25°C (45°F) of each other
- 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
Replace the component: Q8 Control Solenoid Valve Assembly
- Go to next step: If the DTC is not set
- If the DTC sets
- All OK.