P0011 on Hyundai: Causes, Symptoms and Fix Cost

The Quick Answer above is the generic definition. What follows is the model-specific detail for the Hyundai models that log P0011.

Beyond the generic causes listed on the main P0011 page, these are the patterns noted for Hyundai models:

Follow these steps to pinpoint the root cause of P0011:

1. Check engine oil level and condition. Low, dirty, or incorrect viscosity oil is the most common cause. Change oil if overdue and clear the code
2. Read the actual camshaft advance angle and the target angle commanded by the ECU with manufacturer-level software (actual and target cam angles are not part of the standard OBD2 data set; a generic reader shows the code, freeze frame and fuel trims). A persistent gap between the two confirms the VVT system is not following commands
3. Inspect and test the VVT solenoid. Measure resistance (typically 6-13 ohms) and check for clogged screens. Commanding the solenoid on and off is an actuator test that needs manufacturer-level software
4. Listen for timing chain rattle on cold startup. A stretched chain will cause a brief rattle that fades as oil pressure builds
5. If the solenoid and oil are fine, inspect timing chain stretch with a scope or by checking timing marks alignment

Estimated repair costs for P0011 in EUR, compiled across makes. Hyundai costs typically sit in the middle of each range.

These codes are often seen alongside P0011 or point to related issues, on any make: