Car Problem Reports

Scion tC Check Engine Light Due to Defective VVT-i Controller

Scion tC Problem
11 Reports
Me Too

Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 82,783 mi (32,000 mi - 133,567 mi)


An illuminated Check Engine Light could be caused by a defective VVT-i controller, which changes cam timing for optimal power.  Updated parts are available and the repair may be covered under the powertrain warranty.

  • CWDan, , 133,567 mi

    Rough idle, high acceleration noise. Need to repair, just happened.

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  • Visitor, , 32,000 mi

    dash lights have been on for quite some time. Had a mechanic look at it and was told the camshaft gear assembly needs to be replaced at about $700.00.

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