4L60-E/4L65-E Automatic Transmission

Transmission Scan Tool Data List
Use the scan tool data list under the following conditions:
^ The Diagnostic System Check - Automatic Transmission is complete. Initial Inspection and Diagnostic Overview
^ The on-board diagnostics are functioning properly.
^ No 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

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Transmission Scan Tool Data List