What does code P1140 mean on Infiniti vehicles?
The ECU detects a malfunction in the intake valve timing control position sensor on the left bank.
OBD-II Code Infiniti
P1140 — Infiniti — Intake Valve Timing Control Position Sensor Left Bank Malfunction
The ECU detects a malfunction in the intake valve timing control position sensor on the left bank.
Common symptoms
- Check engine light
- irregular performance
Possible causes
- Faulty VVT position sensor
- wiring issues
Initial recommendation
Inspect and test left bank VVT position sensor and wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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