P1367 is a GM-specific ignition control code indicating that the powertrain control module (PCM) commanded cylinder 7's ignition coil to fire but never saw the expected confirmation signal that the coil actually toggled. In plain terms, the computer told the number 7 coil to spark and got no feedback that it did, so it flags that cylinder's ignition control circuit as failed.
Guidance is general and written for GM vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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