External Controls
Inspection and VerificationWARNING: If equipped with fire suppression system, refer to Fire Suppression System for Important Safety Warnings. Failure to follow this instruction may result in serious personal injury.
1. Verify the customer concern by operating the transmission external control.
2. Visually inspect for obvious signs of mechanical and electrical damage, incorrect component installation and component misalignment. Verify that all circuit-related systems are functioning correctly. Refer to DTC Chart. [1][2]Diagnostic Trouble Code Descriptions
DTC Chart
B1485:
Visual Inspection Chart
Visual Inspection Chart:
3. If the fault is not visually evident, GO to Symptom Chart - Column Shift or GO to Symptom Chart - Floor Shift. Symptom Chart - Column Shift Symptom Chart - Floor Shift