According to Bloomberg, CNBC quoted several unnamed current and former Tesla engineers as saying that it was difficult for Tesla to repair a large number of defective or damaged parts sent by suppliers and send some parts to the local area. Machinery factory reprocessing.
After receiving supplier-supplied parts, Tesla also adjusted the design of some parts.
The current employees and former employees of the Tesla plant stated that Tesla spent less time checking suppliers than the normal level of the automotive industry.
Tesla failed to conduct a full test of the 'difference specifications' of some suppliers before starting Model 3 production.
Tesla told CNBC that it has a strict supplier collaboration process, including on-site audits, manufacturing capability audits, and other common process controls to predict and eliminate quality issues.
On March 14th, CNBC quoted unnamed Tesla employees and former employees as saying that Tesla’s auto parts and vehicle had a high defect rate, and the rework and maintenance workload exceeded that of the Fremont, Calif. factory.
A Tesla current engineer estimates that 40% of the parts produced or received at the Fremont plant need to be reworked, causing Model 3 to experience delays.
Another current employee of the plant stated that the defect rate made it difficult for him to achieve production targets and to impair employee morale.
Local time Friday, Tesla CEO Musk stated that Tesla's over-automation was a mistake, 'Exactly, it was my fault'.
