Condition 2 Chevrolet Suburban X

Condition 2

The PCM detects PARK or NEUTRAL and the following conditions occur for 10 seconds

1. TP is 5 percent or greater.
2. Engine torque is greater than 68 N.m (50 lb ft).
3. VSS is 32 km/h (20 mph) or greater.

The TFT does not change more than 2.25°C (2.7°F) for 409 seconds since startup.

The TFT changes more than 20°C (36°F) in 200 milliseconds 14 times within 7 seconds.

The PCM commands the solenoid ON and the voltage feedback remains high, B+.

The PCM commands the solenoid OFF and the voltage feedback remains low, 0 volt.

1. The PCM commands first gear for 2 seconds.
2. The estimated gear ratio is 1.2-1.825.
3. All conditions are met for 0.5 seconds.

1. The PCM commands fourth gear for 1 second.
2. The estimated gear ratio is 0.95-1.15.
3. All conditions are met for 6 seconds.

1. The PCM commands second gear for 1 second.
2. The estimated gear ratio is 3.0-3.3.
3. The engine torque is 34-542 N.m (25-400 lb ft).
4. All conditions are met for 2 seconds.

1. The PCM commands third gear for 1 second.
2. The estimated gear ratio is 0.65-0.9.
3. The engine torque is 36-368 N.m (50-500 lb ft).
4. All conditions are met for 3 seconds.

The PCM commands the solenoid ON and the voltage feedback remains high, B+.

The PCM commands the solenoid OFF and the voltage feedback remains low, 0 volts.

1. The PCM commands first gear for 2 seconds.
2. The estimated gear ratio is 0 to 1.4.
3. All conditions are met for 1 second.

1. The PCM commands second gear for 1 second.
2. The estimated gear ratio is 0.9 to 1.2.
3. All conditions are met for 2 seconds.

1. The PCM commands third gear for 1 second.
2. The estimated gear ratio is 1.6-1.8.
3. The engine torque is 36-368 N.m (50-500 lb ft).
4. All conditions are met for 2 seconds.

1. The PCM commands fourth gear for 1 second.
2. The estimated gear ratio is 1.8-3.3.
3. The engine torque is 0-295 N.m (50-400 lb ft).
4. All conditions are met for 2 seconds.

The PCM commands the solenoid ON and the voltage feedback remains high, B+.

The PCM commands the solenoid OFF and the voltage feedback remains low, 0 volts.

The PCM commands the solenoid ON and the voltage feedback remains high, B+.

The PCM commands the solenoid OFF and the voltage feedback remains low, 0 volts.

If the TCC slip speed is 130-800 RPM for 7 seconds, then the PCM will command maximum line pressure and freeze shift adapts from being updated.

If Condition 1 is met and the TCC slip speed is 130-800 RPM for 7 seconds, then the PCM will command the TCC Off for 1.5 seconds.