2011 Infiniti Fx45 Repair Guides
P04202011 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
P05552011 Infiniti FX45 P0555 — Brake Assist Vacuum Sensor Circuit Diagnosis & Fix
Brake assist vacuum sensor circuit issues can affect brake feel in your Infiniti.
Moderate
1-2 hours
P07152011 Infiniti FX45 P0715 — Input Speed Sensor Circuit Diagnosis & Fix
Input speed sensor circuit malfunction affects transmission control in your Infiniti.
Advanced
2-3 hours
P11002011 Infiniti FX45 P1100 — VVEL System Malfunction Diagnosis & Fix
VVEL system malfunction affects variable valve timing in your Infiniti's V6 or V8 engine.
Advanced
2-3 hours
U01442011 Infiniti FX45 U0144 — Lost Communication with Gateway Module B Diagnosis & Fix
Lost communication with module in your Infiniti. Check CAN bus wiring and modules.
Advanced
2-3 hours