Famous 2008 Toyota Sienna Vsc Check Engine Light Bad Cylinoid References. The ignition coils are responsible for converting the low voltage from the battery into the high voltage. Tried to tighten the cas cap.
These light mean that there is a fault in the system. Web i have a 2008 sienna, 109k miles. It can also be caused by abs problems such as a faulty abs sensor or bad wiring.
