California DMV gives 11,000 drivers 30 days to retake written test or lose licenses but won’t explain why

The California DMV has ordered approximately 11,000 motorists to retake the state's written driver's license exam following the discovery of irregularities in a batch of test results. Affected drivers who received notification letters have a 30-day window to successfully pass the knowledge exam again. Failure to comply with this requirement will result in the cancellation of their licenses. Despite the order, the DMV has not provided an explanation regarding the nature of these irregularities.