[dksob81]

it's not an OBD II type code, it's the CHECK ENGINE light flash code - count the # of flashes the check engine light flashes.

Those codes are specific for a DRB (Digital Readout Box) Scanner.

If he used a scan tool it would actually come up as P0300, 0301, 0302, 0303, 0304, etc or if it was displayed on a digital odometer it would look the same way. which would tell exactly which Cylinder was misfiring.