What does code P1656 mean on Lexus vehicles?
The ECU detects a malfunction in the oil control valve (OCV) circuit on bank 1, affecting VVT operation.
OBD-II Code Lexus
P1656 — Lexus — OCV Circuit Malfunction (Bank 1)
The ECU detects a malfunction in the oil control valve (OCV) circuit on bank 1, affecting VVT operation.
Common symptoms
- Loss of power
- poor engine performance
Possible causes
- Faulty OCV
- contaminated engine oil
Initial recommendation
Clean or replace oil control valve and verify oil condition.
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.
Analyze this code with MecaOBD
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