Warning powertrain.fuel

P0013 — Open or short in the exhaust VVT actuator solenoid circuit on Bank 1. Engine can't control exhaust cam phasing

Camshaft with VVT actuator

What it means

Common causes

  • Chafed wiring insulation near the solenoid bracket
  • Corroded or oil-soaked connector at the solenoid
  • Failed solenoid coil (open winding, short to ground)
  • Engine ECM output stage failure — less common
  • Wire shorted to +12V or to ground
  • Physical damage to solenoid body

How to diagnose

  1. 01

    Read all stored and pending codes with an OBD-II adapter — get the full picture, not just the one code.

  2. 02

    Capture freeze-frame data (RPM, coolant temperature, engine load) at the exact moment the code triggered.

  3. 03

    Inspect the named subsystem with our app's AI explanation — get vehicle-specific causes for your make, model and year.

Decode P0013 on your actual car

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