P0011 Code: Camshaft Position A Timing Over-Advanced (Bank 1)
P0011 means the camshaft (variable valve timing) on bank 1 is over-advanced or the system isn’t responding correctly.
- Applies to
- All OBD-II vehicles (any make or model)
- Est. repair cost
- $100 – $500
- Time to fix
- 1-3 hours
What it means
Common causes are low or dirty engine oil, a stuck VVT/oil-control (OCV) solenoid, a clogged VVT oil passage, or a timing/cam phaser problem. This is a generic OBD-II powertrain code defined in the SAE J2012 standard, so it applies to virtually any 1996-or-newer OBD-II vehicle — cars, trucks, and modern fuel-injected motorcycles — from any manufacturer (Toyota, Honda, Ford and the rest). Read it with any OBD-II scanner; the meaning is the same across brands, though the exact repair can vary by engine.
Symptoms
- Check engine light on
- Rough idle or reduced power
- Rattle at start-up; possible poor economy
How to fix it
- 1
Check oil and the VVT solenoid
1. Confirm the oil level and condition — dirty oil is a top cause. 2. Inspect and test the variable-valve-timing oil-control solenoid; clean or replace it. 3. Clear the code and retest.
Frequently asked questions
Can I drive with P0011?
Short distances may be fine, but the engine can run rough and lose power. Since it often ties to oil condition and VVT, get it checked soon to avoid timing damage.
Last updated July 16, 2026
Guidance only — always consult a qualified professional or the official service manual before carrying out repairs.