Toyota Motor Corp.’s efforts to stockpile enough chips and other key components to ride out supply disruptions only protected the company for so long before it too succumbed to the shortages eviscerating automakers.

The manufacturer will suspend output at 14 plants across Japan for various lengths of time through next month. The impact of these cuts will be harshest in September, with Toyota slashing its production plan by 40%, though risks will carry forward beyond next month.

It’s the latest sign even the best supply chain planning is proving no match for a pandemic that virtually ground the auto industry to a halt a year ago and has since plagued efforts to restore production. Toyota and BMW AG — two manufacturers the least scathed by the semiconductor shortage in the first half — have now warned of significant blows to their operations in the coming months.