Circuit/System Testing
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, remove the Q8 control solenoid valve assembly. Refer to Control Solenoid Valve and Transmission Control Module Assembly Replacement .
- Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection .
- Place the Q8 control solenoid valve assembly on a clean work surface near the transmission assembly.
- Connect DT-47825-10: jumper harness between the vehicle wire harness electrical connector, and the Q8 control solenoid valve assembly electrical connector.
- Ignition ON, verify with a scan tool the following test status parameters display OK:
- High Side Driver 1 Circuit High Voltage Test Status
- High Side Driver 1 Circuit Open Test Status
- High Side Driver 1 Circuit Low Voltage Test Status
NOTE:
You must perform the Circuit/System Verification first.
- If any test status parameter displays Fault or Malfunction, replace the Q8 control solenoid valve assembly.