Scan Tool Data Values & Data List

Transmission Scan Tool Data List
Use the Scan Tool Data List under the following conditions:
- The Diagnostic System Check - Automatic Transmission has been completed.
- The On-Board Diagnostics are functioning properly.
- No DTCs are present.

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 service 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 is hot
- Closed throttle
- Transmission in Park
- Closed loop operation
- Accessories OFF
- Brake pedal not applied








Transmission Scan Tool Data List