Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
- No DTCs P0716 or P0717 are active or have failed this key on.
- No DTCs P0722 or P0723 are active or have failed this key on.
- No DTCs P2762, P2763, or P2764 are active or have failed this key on.
- Ignition voltage is between 8.6-18.0 volts.
- The engine run time is greater than 5 seconds.
- The transmission fluid temperature (TFT) is 20-130°C (68-266°F).
- The accelerator pedal position signal is valid.
- The calculated throttle position is between 8-100 percent.
- The TCM must receive a valid torque signal from the ECM.
- The engine torque is greater than 50 N.m (36 lb ft).
- The following 6L80/6L90 gear ratios are achieved in the specified gear range while the TCC is commanded On:
- The 2nd gear ratio is between 2.19-2.52.
- The 3rd gear ratio is between 1.42-1.63.
- The 4th gear ratio is between 1.07-1.23.
- The 5th gear is between 0.79-0.91.
- The 6th gear is between 0.62-0.71.
- The following 6L50 gear ratios are achieved in the specified gear range while the TCC is commanded On:
- The 2nd gear ratio is between 2.20-2.53.
- The 3rd gear ratio is between 1.44-1.65.
- The 4th gear ratio is between 1.07-1.23.
- The 5th gear is between 0.79-0.91.
- The 6th gear is between 0.62-0.72.
- The TCC is commanded ON and PWM duty cycle is greater than 60 percent for 5 seconds.