Vehicle Verity
Scan evidence

OBD-II, in the context of the symptom.

Codes can add direction to a no-start diagnosis. They do not automatically prove which component failed.

OBD-II scan tool used during a vehicle no-start diagnosis
OBD-II Diagnostics

When an OBD-II Scanner Can Help Diagnose a No-Start Problem

A scan can add direction to a no-start diagnosis, but a code is evidence to investigate—not proof that the named part should be replaced.

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