Diagnostic Starting Point - Automatic Transmission: Symptoms

When it has been determined through Diagnostic System Check - Vehicle that no DTCs are present, begin symptom diagnosis by reviewing theFunctional Test Procedure . This helps you determine if the condition described by the customer is normal or if a malfunction exists. If it is determined that a malfunction exists, identify the concern by referring to Symptoms - Automatic Transmission . The Symptoms - Automatic Transmission provides common diagnostic categories which relate directly to diagnostic information or procedures.