Scantool Diagnostics

Automatic Transaxle
P0634 PCM/ECM/TCM Internal Temperature Too High - Scantool Diagnostics

Monitor Scantool Data

1. Connect scantool to Diagnostic Connector.
2. Ignition "ON" & Engine "OFF".
3. Confirm the "TCM Temperature sensor" parameter on the scan tool.




Fig 1) Temperature of TCU inside
4. Is the "TCM Temperature sensor" output value normal range?