4L80-E/4L85-E Automatic Transmission

Transmission Scan Tool Data List
Use the Scan Tool Data List under the following conditions:
* The Powertrain On-Board Diagnostic (OBD) System Check is complete.
* 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 for diagnosing. If a scan tool displays other parameters, the values are not recommended 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

Part 1 Of 3:

Part 2 Of 3:

Part 3 Of 3:

Transmission Scan Tool Data List