Vauxhall Workshop Service and Repair Manuals > Astra J > Transmission/Transaxle | Automatic Transmission - AF40-6 | Other Information

Symptoms - Automatic Transmission

Note: Use the symptom tables only if the following conditions are met:

•	Refer to Diagnostic Starting Point - Vehicle .

•	There are no DTCs set.

•	The control modules can communicate via the serial data link.

•	Review the system operation in order to familiarize yourself with the system functions. Refer to Transmission General Description and Transmission Component and System Description .

Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

•	Fluid Diagnosis

•	Noise and Vibration Diagnosis

•	Symptom Not Found or No Symptom Detected