| Table 1: | Transmission Scan Tool Data List - 8.1L Gas |
| Table 2: | Transmission Scan Tool Data List - 6.6L Diesel (LLY) |
Use the scan tool data list under the following conditions:
| • | The Diagnostic System Check - Vehicle is complete. |
| • | The On-Board Diagnostics are functioning properly. |
| • | No diagnostic trouble codes (DTCs) are present. |
The values below represent a typical display recorded from a properly functioning system.
Important: Do not use a scan tool that displays faulty data. Report the condition to the scan tool manufacturer. The use of a faulty scan tool can result in misdiagnosis and the unnecessary replacement of parts.
Only the parameters listed below are used in this manual for diagnosing. If a scan tool displays other parameters, the values are not recommended by General Motors for use in diagnosis.
Scan tool values below were recorded under the following conditions:
| • | Engine at idle |
| • | Upper radiator hose hot |
| • | Closed throttle |
| • | Transmission in PARK |
| • | Closed Loop operation |
| • | Accessories OFF |
| • | Brake pedal not applied |
Transmission Scan Tool Data List - 8.1L Gas
Scan Tool Parameter | Data List* | Units Displayed | Typical Data Value | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Clutch Pedal Switch | F0, F6 | Applied/Released | Released | ||||||||||||||||
Vehicle Speed Sensor | ALL | km/h (mph) | 0 | ||||||||||||||||
*Data List Legend
| |||||||||||||||||||
Transmission Scan Tool Data List - 6.6L Diesel (LLY)
Scan Tool Parameter | Data List* | Units Displayed | Typical Data Value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Clutch Pedal Switch | F0, F3 | Applied/Released | Released | ||||||||||
Vehicle Speed Sensor | F0, F2, F3 | km/h (mph) | 0 | ||||||||||
*Data List Legend
| |||||||||||||
