fault code
When a car has a problem, its computer saves a code that tells the mechanic what’s wrong. It’s like a clue to fix the issue.
A fault code is a diagnostic message stored by the vehicle’s computer when it detects an issue. Mechanics read these codes to identify problems.
Hear It Discussed
"The issue may not set up fault code. The manufacturer may have updated procedures that completely changes the regular approach."
Ron Ananian, The Car Doctor - May 30, 2026 - Hour 2 Ron Ananian The Car Doctor
"I failed Echex one time in a Porsche because it was throwing a fault code in the system, not a check engine light, but it was throwing a fault code that was preventing it from passing Echex."
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"...it gives you the idea that, you know, it will tell you what the fault code is."
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