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 & Engine - Off
Verify DTC P0658, P0659 is not set.
- If DTC P0658, P0659 is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If DTC P0658, P0659 is not set
Engine - Running
Verify the scan tool parameter:
- Automatic Transmission Auxiliary Fluid Pump Control Circuit High Test Status = Not Run or Okay
- Automatic Transmission Auxiliary Fluid Pump Control Circuit Low Test Status = Not Run or Okay
- Auxiliary Transmission Fluid Pump Relay Control Circuit Open Test Status = Not Run or Okay
- If not the specified state
  Refer to: Circuit/System Testing
- Go to next step: If the specified state
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 does not set
All OK.