Inspection and Verification
WARNING:
If equipped with fire suppression system, refer to FIRE SUPPRESSION SYSTEM
for Important Safety Warnings.
- Verify the customer concern by operating the transmission external control.
- 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 the following chart.DIAGNOSTIC TROUBLE CODE (DTC) CHART
Five Digit DTC Component Description Condition Symptom Action B1485 LCM, wiring LCM concerns, shorted circuit LCM system has a malfunction which may cause a brake shift interlock concern. Brake shift interlock not locking GO to PINPOINT TEST A for column shift or GO to PINPOINT TEST E for floor shift. VISUAL INSPECTION CHARTMechanical Electrical - Damaged shift lock actuator
- Damaged brake pedal position (BPP) switch
- Damaged steering column
- Damaged transmission control (TC) switch
- Damaged instrument cluster
- Damaged selector lever cable and bracket
- Failed fuse(s):
- F5 (10A)
- F14 (10A)
- F26 (10A)
- Damaged wiring harness
- Loose or corroded connections
- If the fault is not visually evident, GO to SYMPTOM CHART - COLUMN SHIFT or GO to SYMPTOM CHART - FLOOR SHIFT .