Tag
#basics
4 posts in Car Diagnostics blog about "basics" — OBD-II diagnostics, DTC codes, repair. ← All posts
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Pending, stored, and permanent: three kinds of code and why it matters
Not all codes are equal: one warns, one has already lit the lamp, and one cannot be cleared at all. The difference and how to use it.
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Live data: five parameters worth learning to read
Codes tell you the system noticed a deviation. Live data tells you what is happening now. Five parameters to start with.
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What a scanner cannot see: the honest limits of OBD diagnostics
A scanner is strong wherever a sensor exists and blind wherever one does not. What OBD shows and what still has to be checked by hand.
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Dashboard warning lights: what stops the journey and what waits for the workshop
The colour is the priority. Which lights mean stop now, which allow you to drive on carefully, and why a lamp that never illuminates is the worst of all.