2009 Infiniti Fx45 Repair Guides
P04202009 Infiniti FX45 P0420 — Catalyst System Efficiency Below Threshold Diagnosis & Fix
Catalytic converter efficiency below threshold in your Infiniti. This often indicates converter deterioration or exhaust leaks.
Advanced
2-3 hours
P05502009 Infiniti FX45 P0550 — Power Steering Pressure Sensor Circuit Diagnosis & Fix
Power steering pressure sensor circuit malfunction in your Infiniti affects power steering operation.
Moderate
1-2 hours
P07152009 Infiniti FX45 P0715 — Input Speed Sensor Circuit Diagnosis & Fix
Input speed sensor circuit malfunction affects transmission control in your Infiniti.
Advanced
2-3 hours
P07802009 Infiniti FX45 P0780 — Shift Malfunction Diagnosis & Fix
Shift malfunction in your Infiniti's automatic transmission requiring service.
Advanced
3-4 hours
U01422009 Infiniti FX45 U0142 — Lost Communication with Body Control Module B Diagnosis & Fix
Lost communication with module in your Infiniti. Check CAN bus wiring and modules.
Advanced
2-3 hours