The Family Handyman on MSN
What Do Car Trouble Codes Really Mean?
Your vehicle has a problem if the check engine light (CEL) glows. Diagnostic trouble codes (DTCs) stored in the computer help find the cause.
This story appears in the April 17 print edition of iTECH, a supplement to Transport Topics. Troubleshooting dysfunctional trucks from afar through the use of remote diagnostics can help carriers ...
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