Permanent DTC

2009 TOYOTA SIENNA
140,000 MILES • 3.5L • V6 • FWD • AUTOMATIC
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DAVEC73
  • MEMBER
  • 1 POST
Does this van have permanent DTC?
Jan 7, 2017 at 7:36 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
no they can be intermittent as well if your check engine light is on then get it scanned for codes auto parts does for free.
Jan 7, 2017 at 7:42 AM
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STEVE W.
  • ✓Experienced Mechanic
  • 15,388 POSTS
What do you mean by DTC? That normally stands for Diagnostic Trouble Code and usually turns on the Check Engine Lamp. If you are asking if it is normal to have a particular code all the time. No it is not.
Jan 7, 2017 at 7:49 AM
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