P1349 Variable Valve Timing System Malfunction (Bank 1)
This fault is part of the Toyota VVT-i codes guide. It covers the system and the order to check it.
What does P1349 mean on a Toyota?
P1349. Variable Valve Timing System Malfunction (Bank 1). This Toyota-enhanced code applies to Camry 2AZ-FE, Corolla, RAV4, Highlander, Sienna.
Common causes of P1349
- Stuck oil control valve from sludge
- Failed VVT controller/actuator
- Low oil pressure to the VVT system
- Clogged oil control valve filter screen
- Worn timing chain
How to fix P1349
- Remove and inspect the oil control valve filter screen
- Verify oil pressure and quality
- Command the VVT system and watch cam angle response
- Clean or replace a sticking oil control valve
- Check timing components if response stays flat
Sources and review
- Last updated 2026-09-06.