LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 361 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0969-P0971 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine ON, verify the transmission fluid temperature is between 50-80°C (122-176°F).
  2. Operate the vehicle long enough to verify at least a 3°C (37°F) rise in TCM temperature parameter, then operate the vehicle in Park for 5 seconds.
  3. Engine ON, observe the scan tool Clutch PC 3 Sol. CKT Status parameter. The reading should display OK or Indeterminate.
    • If the reading is not within the specified range, replace the Q8 control solenoid valve assembly.
scientia non olet · About LEMON Manuals