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:MECHANICAL AND ELECTRICAL
Mechanical Electrical - Damaged Brake Shift Interlock Actuator (BSIA)
- Damaged Transmission Control Switch (TCS)
- Failed fuse(s)
- Smart Junction Box (SJB) 5 (10A)
- Battery Junction Box (BJB) 43 (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 - NVH COLUMN SHIFT .