2008 Scion tC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2008 Scion tC
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2008 Scion tC ProblemsCEL - Error Code 420: Catalytic Converter
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
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.
Some vehicles may develop a condition where they cannot be shifted from "Park" to "Drive" and/or multiple warning lights illuminate when exposed to extreme cold conditions (-14 degrees F) or lower. Our technicians tell us the ignition (IG) relay should be replaced with an updated part to correct this concern.
2008 Scion tC QuestionsHow can I tell if the problem is the heater core or the water pump? (1 answer)
2008 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.
Southeast Toyota is recalling 2005–2011 models for failing to comply with federal safety standards on tire selection and rims. Affected models were sold without the proper load-carrying capacity modification labels, which may cause the driver to overload the vehicle, increasing the chance of a crash. Dealers will mail the correct labels to the customer or install the label free of charge.
The load carrying capacity modification label may be missing from the vehicle. This information provides maximum load carrying weights as well as information about required tires and wheels. If not present, an inappropriate load may be carried in the vehicle, increasing a safety risk. Toyota has supplied customers with a new label to affix to the vehicle. This recall began on August 18, 2009.