Circuit/System Verification
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.
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P0658, P0659 is not set.
- If any of the DTCs are set
Refer to: DTC P0658, P0659, P2727, P2729, P2730, P2736, P2738, P2739, P2826, P2827, P282F, or P2830
- Go to next step: If none of the DTCs are set
- If any of the DTCs are set
- Clear DTCs
- Perform the scan tool control function: Transmission Accumulator Solenoid Valve - On and Off
Verify the scan tool parameter:
- Transmission Accumulator Solenoid Valve Control Circuit Open Test Status = Not Run or OK
- Transmission Accumulator Solenoid Valve Control Circuit Low Voltage Test Status = Not Run or OK
- Transmission Accumulator Solenoid Valve Control Circuit High Voltage Test Status = Not Run or OK
- If not the specified state
Refer to: Circuit/System Testing
- Go to next step: If the specified state
- Perform the scan tool control function: Transmission Accumulator Solenoid Valve - On and Off
Verify a click can be heard or felt at the component when the scan tool control function was commanded:
- If a click cannot be heard or felt
Refer to: Circuit/System Testing
- Go to next step: If a click can be heard or felt
- If a click cannot be heard or felt
- 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.