Diagnostic Starting Point - Automatic Transmission: Symptoms
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
When it has been determined through Diagnostic System Check - Vehicle that no DTCs are present, begin symptom diagnosis by reviewing Functional Test . This helps you determine if the condition described by the customer is normal or if a condition exists. If it is determined that a condition exists, identify the condition by referring to Symptoms - Automatic Transmission . Symptoms - Automatic Transmission provides common diagnostic categories which relate directly to diagnostic information and procedures.