Circuit/System Verification

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Verify that P0711, P0712, or P0713 is not set.
- If DTC P0711, P0712, or P0713 is set, Refer to DTC P0711-P0713 .
Ignition ON, observe the scan tool ECM engine coolant temperature (ECT) parameter in the freeze frame data. The reading should be below 125°C (257°F).
- If the ECT was above 125°C (257°F) when the DTC set, refer to Engine Overheating .
Ignition ON, observe the scan tool Trans. Fluid Temp. parameter in the freeze frame data. The reading should be below 135°C (275°F).
- If greater than the specified range, refer to Automatic Transmission Overheating .
If neither the engine nor the transmission had an over temperature condition when the DTC set, replace the Q8 control solenoid valve assembly.