Scan Tool Data List
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Idling at Normal Operating Temperature/Vehicle is in Park or Neutral/Cruise On/Off Switch is Turned Off | |||
| Cruise Control Active | Cruise Control Data | Yes/No | No |
| Cruise Disengage (1 - 8) History | Cruise Control Data | Last reason for cruise control disengagement | Varies |
| Cruise On/Off Switch | Cruise Control Data | On/Off | Off |
| Cruise Release Brake Pedal Switch | Cruise Control Data | Applied/Released | Released |
| Cruise Resume/Accel. Switch | Cruise Control Data | On/Off | Off |
| Cruise Set/Coast Switch | Cruise Control Data | On/Off | Off |
| Engine Speed | Cruise Control Data | RPM | Varies |
| Ignition 1 Signal | Cruise Control Data | Volts | 9 to 18 |
| Reduced Engine Power | Cruise Control Data | Active/Inactive | Inactive |
| Stop Lamp Pedal Switch | Cruise Control Data | Applied/Released | Released |
| TAC/PCM Communication Signal | Cruise Control Data | OK/Fault | OK |
| Traction Control Signal | Cruise Control Data | Active/Inactive | Inactive |
| Vehicle Speed Sensor | Cruise Control Data | km/h (mph) | 0 km/h (0 mph) |