Inspection and Verification
- Verify the customer concern by operating the transmission external control.
- Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:VISUAL INSPECTION CHART
Mechanical Electrical - Damaged brake shift interlock actuator (BSIA)
- Damaged transmission control (TC) switch
- Failed fuse(s)
- Smart junction box (SJB) 5 (10A)
- Power distribution box (PDB) 31 (15A)
- Damaged wiring harness
- Loose or corroded connections
- If the fault is not visually evident, determine the symptom. Go to Symptom Chart - External Controls, Column Shift or Go to Symptom Chart - Noise, Vibration and Harshness (NVH), Column Shift .