Condition 3 Chevrolet Suburban X

Condition 3

If Condition 2 is met and the TCC slip speed is 130-800 RPM for 7 seconds, then the fail counter on the current ignition cycle is incriminated.

The above slip conditions and actions may be disregarded if the TCC is commanded OFF at any time as a result of a driving maneuver, sudden acceleration or deceleration.

The PCM detects an invalid TFP manual valve position switch state for 60 seconds.

1. The engine speed is less than 80 RPM for 0.1 second; then the engine speed is 80-550 RPM for 0.07 second; then the engine speed is greater than 550 RPM.
2. The vehicle speed is less than 3 km/h (2 mph).
3. The PCM detects a gear range of D2, D4 or REVERSE during an engine start.
4. All conditions met for 5 seconds.

1. The TP angle is 10-50 percent.
2. The PCM commands fourth gear.
3. The TCC is locked ON.
4. The speed ratio is 0.6-0.75, speed ratio is engine speed divided by transmission output speed.
5. The PCM detects a gear range of PARK or NEUTRAL when the vehicle is operating in D4.
6. All conditions met for 10 seconds.

The PCM commands the solenoid ON, 90 percent, and the voltage feedback remains high, B+.

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

1. The 4WD low switch is in 4WD low.
2. The transfer case is not in 4WD low.
3. The TCC slip speed is -3,000 to -50 RPM.
4. The transfer case ratio is 0.08-1.2, the transfer case ratio is the engine speed divided by the transfer case output speed.
5. All conditions are met for 5 seconds.

1. The 4WD low switch is not in 4WD low.
2. The transfer case is in 4WD low.
3. The TCC is commanded ON.
4. The TCC slip speed is 100 to 3,000 RPM.
5. The transfer case ratio is 2.5-2.9.
6. All conditions are met for 10 seconds.