Manufacturer-specific code

This code means different things on different makes. Find yours below.

• Toyota, Lexus

  VVT system malfunction (bank 1)

  The variable valve timing (VVT-i) system cannot move the camshaft to the timing the engine computer asks for.

  Likely causes, most likely first

  1. 01Low, dirty or wrong-grade engine oil
  2. 02Sticking oil control valve (OCV)
  3. 03Blocked filter screen in the OCV oil feed
  4. 04Faulty VVT-i gear on the camshaft
  5. 05Stretched timing chain

  Severity: Caution: get it checked soon · DIY with tools and some experience