Initial Inspection - External Controls

Special Tool(s)

Inspection and Verification
1. Verify the customer concern by operating the transmission external control.
2. Visually inspect for obvious signs of mechanical and electrical damage; refer to the following charts:





Visual Inspection Chart

P0815-P1780:

Diagnostic Trouble Code Chart

3. If the concern is not visually evident, determine the symptom. Go to Symptom Chart Diagnosis By Symptom - External Controls