2005 Scion tC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 Scion tC
Never overpay. Check prices with our estimator
Ask a mechanic in our community
2005 Scion tC ProblemsCheck Engine Light Due to Defective VVT-i Controller
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.
Check Engine Light Illuminated
Problem: Diagnostic Showed Error Code 420: "Catalytic Converter Efficiency Below Threshold (Bank 1)
Solution: Free Replacement by Dealer Under California 7yr/70k or Federal 8yr/80k Warranty Covering Emissions Parts
Drivers of the Scion tC may notice excessive oil consumption between oil changes, even to the extent of the engine oil warning light displayed on the multi-function display.
This issue is known to be caused by infrequent oil changes causing engine sludge, or worn piston rings.
The engine should be cleaned of oil sludge, and if oil consumption remains excessive, the engine may need new piston rings, or other internal components replaced.
To avoid this issue, change the engine oil and filter every 3,000 miles, and ensure the proper grade of oil is used.
2005 Scion tC QuestionsA/c is not blowing cold air. compressor wont come on. (1 answer)
Tried putting refrigerant and nothing worked. What could be the problem, and how could i fix it?
Is there a recall on the check engine light staying on in my 2005 scion tc. Please let me know if it's covered on the recall list with Scion
2005 Scion tC RecallsLoad Carrying Modification Label Missing
These vehicle were sold without the required load carrying captivity modification label. Dealers will mail the corrected label to vehicle owners. Owners have the option of requesting that the dealer install the label. This recall is expected to begin on May 27, 2010.
The side impact airbags may inadvertently deploy. This can occur if a door is closed with excessive force while the ignition is on or within 90 seconds of turning the ignition off. Personal injury could occur to an occupant seated where the airbags deploy. Dealers will replace the two side impact airbag sensors and install a urethane pad in the front doors to correct this concern. This recall is expected to begin on November 6, 2006. The Toyota recall number is SCC 60H.
The glass sunroof wind deflector may shatter if impacted by a projectile such as road debris and separate from the frame. Pieces of the broken deflector may fall on the vehicle occupants, causing driver distraction and/or injury. Dealers will install a protective laminate to the wind deflector to prevent pieces of glass from separating from the frame. This recall began on October 27, 2005. The Scion recall number is 50S.